/*
 * Low level variant tests
 *
 * Copyright 2003 Jon Griffiths
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "wine/test.h"
#include "oleauto.h"
#include <math.h>

/* Some Visual C++ versions choke on __uint64 to float conversions.
 * To fix this you need either VC++ 6.0 plus the processor pack
 * or Visual C++ >=7.0.
 */
#ifndef _MSC_VER
#  define HAS_UINT64_TO_FLOAT
#else
#  if _MSC_VER >= 1300
#    define HAS_UINT64_TO_FLOAT
#  else
#    include <malloc.h>
#    if defined(_mm_free)
/*     _mm_free is defined if the Processor Pack has been installed */
#      define HAS_UINT64_TO_FLOAT
#    endif

#  endif
#endif

static HMODULE hOleaut32;

/* Get a conversion function ptr, return if function not available */
#define CHECKPTR(func) p##func = (void*)GetProcAddress(hOleaut32, #func); \
  if (!p##func) { \
    win_skip("function " # func " not available, not testing it\n"); return; }

/* Is a given function exported from oleaut32? */
#define HAVE_FUNC(func) ((void*)GetProcAddress(hOleaut32, #func) != NULL)

/* Have IRecordInfo data type? */
#define HAVE_OLEAUT32_RECORD  HAVE_FUNC(SafeArraySetRecordInfo)
/* Have DECIMAL data type with new error checking? */
#define HAVE_OLEAUT32_DECIMAL HAVE_FUNC(VarDecAdd)
/* Have CY data type? */
#define HAVE_OLEAUT32_CY      HAVE_FUNC(VarCyAdd)
/* Have I8/UI8 data type? */
#define HAVE_OLEAUT32_I8      HAVE_FUNC(VarI8FromI1)
/* Have proper locale conversions? */
#define HAVE_OLEAUT32_LOCALES (HAVE_FUNC(GetVarConversionLocaleSetting) && HAVE_OLEAUT32_I8)
/* Is this an ancient version with support for only I2/I4/R4/R8/DATE? */
#define IS_ANCIENT (!HAVE_FUNC(VarI1FromI2))
/* Is vt a type unavailable to ancient versions? */
#define IS_MODERN_VTYPE(vt) (vt==VT_VARIANT||vt==VT_DECIMAL|| \
    vt==VT_I1||vt==VT_UI2||vt==VT_UI4||vt == VT_INT||vt == VT_UINT)

/* Macros for converting and testing results */
#define CONVVARS(typ) HRESULT hres; CONV_TYPE out; typ in

#define _EXPECTRES(res, x, fs) \
  ok((hres == S_OK && out == (CONV_TYPE)(x)) || ((HRESULT)res != S_OK && hres == (HRESULT)res), \
     "expected " #x ", got " fs "; hres=0x%08x\n", out, hres)
#define EXPECT(x)       EXPECTRES(S_OK, (x))
#define EXPECT_OVERFLOW EXPECTRES(DISP_E_OVERFLOW, DISP_E_OVERFLOW)
#define EXPECT_MISMATCH EXPECTRES(DISP_E_TYPEMISMATCH,DISP_E_TYPEMISMATCH)
#define EXPECT_BADVAR   EXPECTRES(DISP_E_BADVARTYPE, DISP_E_BADVARTYPE)
#define EXPECT_INVALID  EXPECTRES(E_INVALIDARG, E_INVALIDARG)
#define EXPECT_LT       EXPECTRES(VARCMP_LT, VARCMP_LT)
#define EXPECT_GT       EXPECTRES(VARCMP_GT, VARCMP_GT)
#define EXPECT_EQ       EXPECTRES(VARCMP_EQ, VARCMP_EQ)
#define EXPECT_DBL(x)   \
  ok(hres == S_OK && fabs(out-(x))<=1e-14*(x), "expected %16.16g, got %16.16g; hres=0x%08x\n", (x), out, hres)

#define CONVERT(func, val) in = val; hres = p##func(in, &out)
#define CONVERTRANGE(func,start,end) for (i = start; i < end; i+=1) { CONVERT(func, i); EXPECT(i); };
#define OVERFLOWRANGE(func,start,end) for (i = start; i < end; i+=1) { CONVERT(func, i); EXPECT_OVERFLOW; };

#define CY_MULTIPLIER   10000

#define DATE_MIN -657434
#define DATE_MAX 2958465

#define CONVERT_I8(func,hi,lo) in = hi; in = (in << 32) | lo; hres = p##func(in, &out)

#define CONVERT_CY(func,val) in.int64 = (LONGLONG)(val * CY_MULTIPLIER); hres = p##func(in, &out)

#define CONVERT_CY64(func,hi,lo) S(in).Hi = hi; S(in).Lo = lo; in.int64 *= CY_MULTIPLIER; hres = p##func(in, &out)

#define SETDEC(dec, scl, sgn, hi, lo) S(U(dec)).scale = (BYTE)scl; S(U(dec)).sign = (BYTE)sgn; \
  dec.Hi32 = (ULONG)hi; U1(dec).Lo64 = (ULONG64)lo

#define SETDEC64(dec, scl, sgn, hi, mid, lo) S(U(dec)).scale = (BYTE)scl; S(U(dec)).sign = (BYTE)sgn; \
  dec.Hi32 = (ULONG)hi; S1(U1(dec)).Mid32 = mid; S1(U1(dec)).Lo32 = lo;

#define CONVERT_DEC(func,scl,sgn,hi,lo) SETDEC(in,scl,sgn,hi,lo); hres = p##func(&in, &out)

#define CONVERT_DEC64(func,scl,sgn,hi,mid,lo) SETDEC64(in,scl,sgn,hi,mid,lo); hres = p##func(&in, &out)

#define CONVERT_BADDEC(func) \
  if (HAVE_OLEAUT32_DECIMAL) \
  { \
    CONVERT_DEC(func,29,0,0,0);   EXPECT_INVALID; \
    CONVERT_DEC(func,0,0x1,0,0);  EXPECT_INVALID; \
    CONVERT_DEC(func,0,0x40,0,0); EXPECT_INVALID; \
    CONVERT_DEC(func,0,0x7f,0,0); EXPECT_INVALID; \
  }

#define CONVERT_STR(func,str,flags) \
  SetLastError(0); \
  if (str) MultiByteToWideChar(CP_ACP,0,str,-1,buff,sizeof(buff)/sizeof(WCHAR)); \
  hres = p##func(str ? buff : NULL,in,flags,&out)

#define COPYTEST(val, vt, srcval, dstval, srcref, dstref, fs) do { \
  HRESULT hres; VARIANTARG vSrc, vDst; CONV_TYPE in = val; \
  VariantInit(&vSrc); VariantInit(&vDst); \
  V_VT(&vSrc) = vt; srcval = in; \
  hres = VariantCopy(&vDst, &vSrc); \
  ok(hres == S_OK && V_VT(&vDst) == vt && dstval == in, \
     "copy hres 0x%X, type %d, value (" fs ") " fs "\n", hres, V_VT(&vDst), val, dstval); \
  V_VT(&vSrc) = vt|VT_BYREF; srcref = &in; \
  hres = VariantCopy(&vDst, &vSrc); \
  ok(hres == S_OK && V_VT(&vDst) == (vt|VT_BYREF) && dstref == &in, \
     "ref hres 0x%X, type %d, ref (%p) %p\n", hres, V_VT(&vDst), &in, dstref); \
  hres = VariantCopyInd(&vDst, &vSrc); \
  ok(hres == S_OK && V_VT(&vDst) == vt && dstval == in, \
     "ind hres 0x%X, type %d, value (" fs ") " fs "\n", hres, V_VT(&vDst), val, dstval); \
  } while(0)

#define CHANGETYPEEX(typ) hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, typ)

#define TYPETEST(typ,res,fs) CHANGETYPEEX(typ); \
  ok(hres == S_OK && V_VT(&vDst) == typ && (CONV_TYPE)res == in, \
     "hres=0x%X, type=%d (should be %d(" #typ ")), value=" fs " (should be " fs ")\n", \
      hres, V_VT(&vDst), typ, (CONV_TYPE)res, in);
#define TYPETESTI8(typ,res) CHANGETYPEEX(typ); \
  ok(hres == S_OK && V_VT(&vDst) == typ && (CONV_TYPE)res == in, \
     "hres=0x%X, type=%d (should be %d(" #typ ")), value=%d (should be 1)\n", \
      hres, V_VT(&vDst), typ, (int)res);
#define BADVAR(typ)   CHANGETYPEEX(typ); out = (CONV_TYPE)hres; EXPECT_BADVAR
#define MISMATCH(typ) CHANGETYPEEX(typ); out = (CONV_TYPE)hres; EXPECT_MISMATCH

#define INITIAL_TYPETEST(vt, val, fs) \
  VariantInit(&vSrc); \
  VariantInit(&vDst); \
  V_VT(&vSrc) = vt; \
  (val(&vSrc)) = in; \
  if (!IS_ANCIENT) { \
    TYPETEST(VT_I1, V_I1(&vDst), fs); \
    TYPETEST(VT_UI2, V_UI2(&vDst), fs); \
    TYPETEST(VT_UI4, V_UI4(&vDst), fs); \
    TYPETEST(VT_INT, V_INT(&vDst), fs); \
    TYPETEST(VT_UINT, V_UINT(&vDst), fs); \
  } else {  \
    BADVAR(VT_I1); BADVAR(VT_UI2); BADVAR(VT_UI4); \
    BADVAR(VT_INT); BADVAR(VT_UINT); \
  } \
  TYPETEST(VT_UI1, V_UI1(&vDst), fs); \
  TYPETEST(VT_I2, V_I2(&vDst), fs); \
  TYPETEST(VT_I4, V_I4(&vDst), fs); \
  TYPETEST(VT_R4, V_R4(&vDst), fs); \
  TYPETEST(VT_R8, V_R8(&vDst), fs); \
  TYPETEST(VT_DATE, V_DATE(&vDst), fs); \
  if (HAVE_OLEAUT32_I8) \
  { \
    TYPETEST(VT_I8, V_I8(&vDst), fs); \
    TYPETEST(VT_UI8, V_UI8(&vDst), fs); \
  }
#define NEGATIVE_TYPETEST(vt, val, fs, vtneg, valneg) \
  in = -in; \
  VariantInit(&vSrc); \
  VariantInit(&vDst); \
  V_VT(&vSrc) = vt; \
  (val(&vSrc)) = in; \
  if (!IS_ANCIENT) { \
    TYPETEST(vtneg, valneg(&vDst), fs); \
  }

#define INITIAL_TYPETESTI8(vt, val) \
  VariantInit(&vSrc); \
  VariantInit(&vDst); \
  V_VT(&vSrc) = vt; \
  (val(&vSrc)) = in; \
  TYPETESTI8(VT_I1, V_I1(&vDst)); \
  TYPETESTI8(VT_UI1, V_UI1(&vDst)); \
  TYPETESTI8(VT_I2, V_I2(&vDst)); \
  TYPETESTI8(VT_UI2, V_UI2(&vDst)); \
  TYPETESTI8(VT_I4, V_I4(&vDst)); \
  TYPETESTI8(VT_UI4, V_UI4(&vDst)); \
  TYPETESTI8(VT_INT, V_INT(&vDst)); \
  TYPETESTI8(VT_UINT, V_UINT(&vDst)); \
  TYPETESTI8(VT_R4, V_R4(&vDst)); \
  TYPETESTI8(VT_R8, V_R8(&vDst)); \
  TYPETESTI8(VT_DATE, V_DATE(&vDst)); \
  TYPETESTI8(VT_I8, V_I8(&vDst)); \
  TYPETESTI8(VT_UI8, V_UI8(&vDst))

#define COMMON_TYPETEST \
  hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_BOOL); \
  ok(hres == S_OK && V_VT(&vDst) == VT_BOOL && \
     (V_BOOL(&vDst) == VARIANT_TRUE || (V_VT(&vSrc) == VT_BOOL && V_BOOL(&vDst) == 1)), \
     "->VT_BOOL hres=0x%X, type=%d (should be VT_BOOL), value %d (should be VARIANT_TRUE)\n", \
     hres, V_VT(&vDst), V_BOOL(&vDst)); \
  if (HAVE_OLEAUT32_CY) \
  { \
    hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_CY); \
    ok(hres == S_OK && V_VT(&vDst) == VT_CY && V_CY(&vDst).int64 == CY_MULTIPLIER, \
       "->VT_CY hres=0x%X, type=%d (should be VT_CY), value (%08x,%08x) (should be CY_MULTIPLIER)\n", \
       hres, V_VT(&vDst), S(V_CY(&vDst)).Hi, S(V_CY(&vDst)).Lo); \
  } \
  if (V_VT(&vSrc) != VT_DATE) \
  { \
    hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_BSTR); \
    ok(hres == S_OK && V_VT(&vDst) == VT_BSTR && \
       V_BSTR(&vDst) && V_BSTR(&vDst)[0] == '1' && V_BSTR(&vDst)[1] == '\0', \
       "->VT_BSTR hres=0x%X, type=%d (should be VT_BSTR), *bstr='%c'\n", \
       hres, V_VT(&vDst), V_BSTR(&vDst) ? *V_BSTR(&vDst) : '?'); \
  } \
  if (HAVE_OLEAUT32_DECIMAL) \
  { \
    hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_DECIMAL); \
    ok(hres == S_OK && V_VT(&vDst) == VT_DECIMAL && \
       S(U(V_DECIMAL(&vDst))).sign == 0 && S(U(V_DECIMAL(&vDst))).scale == 0 && \
       V_DECIMAL(&vDst).Hi32 == 0 && U1(V_DECIMAL(&vDst)).Lo64 == (ULONGLONG)in, \
       "->VT_DECIMAL hres=0x%X, type=%d (should be VT_DECIMAL), sign=%d, scale=%d, hi=%u, lo=(%8x %8x),\n", \
       hres, V_VT(&vDst), S(U(V_DECIMAL(&vDst))).sign, S(U(V_DECIMAL(&vDst))).scale, \
       V_DECIMAL(&vDst).Hi32, S1(U1(V_DECIMAL(&vDst))).Mid32, S1(U1(V_DECIMAL(&vDst))).Lo32); \
  } \
  hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_EMPTY); \
  ok(hres == S_OK && V_VT(&vDst) == VT_EMPTY, "->VT_EMPTY hres=0x%X, type=%d (should be VT_EMPTY)\n", hres, V_VT(&vDst)); \
  hres = VariantChangeTypeEx(&vDst, &vSrc, 0, 0, VT_NULL); \
  ok(hres == S_OK && V_VT(&vDst) == VT_NULL, "->VT_NULL hres=0x%X, type=%d (should be VT_NULL)\n", hres, V_VT(&vDst)); \
  MISMATCH(VT_DISPATCH); \
  MISMATCH(VT_ERROR); \
  MISMATCH(VT_UNKNOWN); \
  if (!IS_ANCIENT) { MISMATCH(VT_VARIANT); } else { BADVAR(VT_VARIANT); } \
  if (HAVE_OLEAUT32_RECORD) \
  { \
    MISMATCH(VT_RECORD); \
  } \
  BADVAR(VT_VOID); \
  BADVAR(VT_HRESULT); \
  BADVAR(VT_SAFEARRAY); \
  BADVAR(VT_CARRAY); \
  BADVAR(VT_USERDEFINED); \
  BADVAR(VT_LPSTR); \
  BADVAR(VT_LPWSTR); \
  BADVAR(VT_PTR); \
  BADVAR(VT_INT_PTR); \
  BADVAR(VT_UINT_PTR); \
  BADVAR(VT_FILETIME); \
  BADVAR(VT_BLOB); \
  BADVAR(VT_STREAM); \
  BADVAR(VT_STORAGE); \
  BADVAR(VT_STREAMED_OBJECT); \
  BADVAR(VT_STORED_OBJECT); \
  BADVAR(VT_BLOB_OBJECT); \
  BADVAR(VT_CF); \
  BADVAR(VT_CLSID); \
  BADVAR(VT_BSTR_BLOB)

/* Early versions of oleaut32 are missing many functions */
static HRESULT (WINAPI *pVarI1FromUI1)(BYTE,signed char*);
static HRESULT (WINAPI *pVarI1FromI2)(SHORT,signed char*);
static HRESULT (WINAPI *pVarI1FromI4)(LONG,signed char*);
static HRESULT (WINAPI *pVarI1FromR4)(FLOAT,signed char*);
static HRESULT (WINAPI *pVarI1FromR8)(double,signed char*);
static HRESULT (WINAPI *pVarI1FromDate)(DATE,signed char*);
static HRESULT (WINAPI *pVarI1FromCy)(CY,signed char*);
static HRESULT (WINAPI *pVarI1FromStr)(OLECHAR*,LCID,ULONG,signed char*);
static HRESULT (WINAPI *pVarI1FromBool)(VARIANT_BOOL,signed char*);
static HRESULT (WINAPI *pVarI1FromUI2)(USHORT,signed char*);
static HRESULT (WINAPI *pVarI1FromUI4)(ULONG,signed char*);
static HRESULT (WINAPI *pVarI1FromDec)(DECIMAL*,signed char*);
static HRESULT (WINAPI *pVarI1FromI8)(LONG64,signed char*);
static HRESULT (WINAPI *pVarI1FromUI8)(ULONG64,signed char*);
static HRESULT (WINAPI *pVarUI1FromI2)(SHORT,BYTE*);
static HRESULT (WINAPI *pVarUI1FromI4)(LONG,BYTE*);
static HRESULT (WINAPI *pVarUI1FromR4)(FLOAT,BYTE*);
static HRESULT (WINAPI *pVarUI1FromR8)(double,BYTE*);
static HRESULT (WINAPI *pVarUI1FromCy)(CY,BYTE*);
static HRESULT (WINAPI *pVarUI1FromDate)(DATE,BYTE*);
static HRESULT (WINAPI *pVarUI1FromStr)(OLECHAR*,LCID,ULONG,BYTE*);
static HRESULT (WINAPI *pVarUI1FromBool)(VARIANT_BOOL,BYTE*);
static HRESULT (WINAPI *pVarUI1FromI1)(signed char,BYTE*);
static HRESULT (WINAPI *pVarUI1FromUI2)(USHORT,BYTE*);
static HRESULT (WINAPI *pVarUI1FromUI4)(ULONG,BYTE*);
static HRESULT (WINAPI *pVarUI1FromDec)(DECIMAL*,BYTE*);
static HRESULT (WINAPI *pVarUI1FromI8)(LONG64,BYTE*);
static HRESULT (WINAPI *pVarUI1FromUI8)(ULONG64,BYTE*);
static HRESULT (WINAPI *pVarUI1FromDisp)(IDispatch*,LCID,BYTE*);

static HRESULT (WINAPI *pVarI2FromUI1)(BYTE,SHORT*);
static HRESULT (WINAPI *pVarI2FromI4)(LONG,SHORT*);
static HRESULT (WINAPI *pVarI2FromR4)(FLOAT,SHORT*);
static HRESULT (WINAPI *pVarI2FromR8)(double,SHORT*);
static HRESULT (WINAPI *pVarI2FromCy)(CY,SHORT*);
static HRESULT (WINAPI *pVarI2FromDate)(DATE,SHORT*);
static HRESULT (WINAPI *pVarI2FromStr)(OLECHAR*,LCID,ULONG,SHORT*);
static HRESULT (WINAPI *pVarI2FromBool)(VARIANT_BOOL,SHORT*);
static HRESULT (WINAPI *pVarI2FromI1)(signed char,SHORT*);
static HRESULT (WINAPI *pVarI2FromUI2)(USHORT,SHORT*);
static HRESULT (WINAPI *pVarI2FromUI4)(ULONG,SHORT*);
static HRESULT (WINAPI *pVarI2FromDec)(DECIMAL*,SHORT*);
static HRESULT (WINAPI *pVarI2FromI8)(LONG64,SHORT*);
static HRESULT (WINAPI *pVarI2FromUI8)(ULONG64,SHORT*);
static HRESULT (WINAPI *pVarUI2FromUI1)(BYTE,USHORT*);
static HRESULT (WINAPI *pVarUI2FromI2)(SHORT,USHORT*);
static HRESULT (WINAPI *pVarUI2FromI4)(LONG,USHORT*);
static HRESULT (WINAPI *pVarUI2FromR4)(FLOAT,USHORT*);
static HRESULT (WINAPI *pVarUI2FromR8)(double,USHORT*);
static HRESULT (WINAPI *pVarUI2FromDate)(DATE,USHORT*);
static HRESULT (WINAPI *pVarUI2FromCy)(CY,USHORT*);
static HRESULT (WINAPI *pVarUI2FromStr)(OLECHAR*,LCID,ULONG,USHORT*);
static HRESULT (WINAPI *pVarUI2FromBool)(VARIANT_BOOL,USHORT*);
static HRESULT (WINAPI *pVarUI2FromI1)(signed char,USHORT*);
static HRESULT (WINAPI *pVarUI2FromUI4)(ULONG,USHORT*);
static HRESULT (WINAPI *pVarUI2FromDec)(DECIMAL*,USHORT*);
static HRESULT (WINAPI *pVarUI2FromI8)(LONG64,USHORT*);
static HRESULT (WINAPI *pVarUI2FromUI8)(ULONG64,USHORT*);

static HRESULT (WINAPI *pVarI4FromUI1)(BYTE,LONG*);
static HRESULT (WINAPI *pVarI4FromI2)(SHORT,LONG*);
static HRESULT (WINAPI *pVarI4FromR4)(FLOAT,LONG*);
static HRESULT (WINAPI *pVarI4FromR8)(DOUBLE,LONG*);
static HRESULT (WINAPI *pVarI4FromCy)(CY,LONG*);
static HRESULT (WINAPI *pVarI4FromDate)(DATE,LONG*);
static HRESULT (WINAPI *pVarI4FromStr)(OLECHAR*,LCID,ULONG,LONG*);
static HRESULT (WINAPI *pVarI4FromBool)(VARIANT_BOOL,LONG*);
static HRESULT (WINAPI *pVarI4FromI1)(signed char,LONG*);
static HRESULT (WINAPI *pVarI4FromUI2)(USHORT,LONG*);
static HRESULT (WINAPI *pVarI4FromUI4)(ULONG,LONG*);
static HRESULT (WINAPI *pVarI4FromDec)(DECIMAL*,LONG*);
static HRESULT (WINAPI *pVarI4FromI8)(LONG64,LONG*);
static HRESULT (WINAPI *pVarI4FromUI8)(ULONG64,LONG*);
static HRESULT (WINAPI *pVarUI4FromUI1)(BYTE,ULONG*);
static HRESULT (WINAPI *pVarUI4FromI2)(SHORT,ULONG*);
static HRESULT (WINAPI *pVarUI4FromI4)(LONG,ULONG*);
static HRESULT (WINAPI *pVarUI4FromR4)(FLOAT,ULONG*);
static HRESULT (WINAPI *pVarUI4FromR8)(DOUBLE,ULONG*);
static HRESULT (WINAPI *pVarUI4FromDate)(DATE,ULONG*);
static HRESULT (WINAPI *pVarUI4FromCy)(CY,ULONG*);
static HRESULT (WINAPI *pVarUI4FromStr)(OLECHAR*,LCID,ULONG,ULONG*);
static HRESULT (WINAPI *pVarUI4FromBool)(VARIANT_BOOL,ULONG*);
static HRESULT (WINAPI *pVarUI4FromI1)(signed char,ULONG*);
static HRESULT (WINAPI *pVarUI4FromUI2)(USHORT,ULONG*);
static HRESULT (WINAPI *pVarUI4FromDec)(DECIMAL*,ULONG*);
static HRESULT (WINAPI *pVarUI4FromI8)(LONG64,ULONG*);
static HRESULT (WINAPI *pVarUI4FromUI8)(ULONG64,ULONG*);

static HRESULT (WINAPI *pVarI8FromUI1)(BYTE,LONG64*);
static HRESULT (WINAPI *pVarI8FromI2)(SHORT,LONG64*);
static HRESULT (WINAPI *pVarI8FromR4)(FLOAT,LONG64*);
static HRESULT (WINAPI *pVarI8FromR8)(double,LONG64*);
static HRESULT (WINAPI *pVarI8FromCy)(CY,LONG64*);
static HRESULT (WINAPI *pVarI8FromDate)(DATE,LONG64*);
static HRESULT (WINAPI *pVarI8FromStr)(OLECHAR*,LCID,ULONG,LONG64*);
static HRESULT (WINAPI *pVarI8FromBool)(VARIANT_BOOL,LONG64*);
static HRESULT (WINAPI *pVarI8FromI1)(signed char,LONG64*);
static HRESULT (WINAPI *pVarI8FromUI2)(USHORT,LONG64*);
static HRESULT (WINAPI *pVarI8FromUI4)(ULONG,LONG64*);
static HRESULT (WINAPI *pVarI8FromDec)(DECIMAL*,LONG64*);
static HRESULT (WINAPI *pVarI8FromUI8)(ULONG64,LONG64*);
static HRESULT (WINAPI *pVarUI8FromI8)(LONG64,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromUI1)(BYTE,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromI2)(SHORT,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromR4)(FLOAT,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromR8)(double,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromCy)(CY,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromDate)(DATE,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromStr)(OLECHAR*,LCID,ULONG,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromBool)(VARIANT_BOOL,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromI1)(signed char,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromUI2)(USHORT,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromUI4)(ULONG,ULONG64*);
static HRESULT (WINAPI *pVarUI8FromDec)(DECIMAL*,ULONG64*);

static HRESULT (WINAPI *pVarR4FromUI1)(BYTE,float*);
static HRESULT (WINAPI *pVarR4FromI2)(SHORT,float*);
static HRESULT (WINAPI *pVarR4FromI4)(LONG,float*);
static HRESULT (WINAPI *pVarR4FromR8)(double,float*);
static HRESULT (WINAPI *pVarR4FromCy)(CY,float*);
static HRESULT (WINAPI *pVarR4FromDate)(DATE,float*);
static HRESULT (WINAPI *pVarR4FromStr)(OLECHAR*,LCID,ULONG,float*);
static HRESULT (WINAPI *pVarR4FromBool)(VARIANT_BOOL,float*);
static HRESULT (WINAPI *pVarR4FromI1)(signed char,float*);
static HRESULT (WINAPI *pVarR4FromUI2)(USHORT,float*);
static HRESULT (WINAPI *pVarR4FromUI4)(ULONG,float*);
static HRESULT (WINAPI *pVarR4FromDec)(DECIMAL*,float*);
static HRESULT (WINAPI *pVarR4FromI8)(LONG64,float*);
static HRESULT (WINAPI *pVarR4FromUI8)(ULONG64,float*);

static HRESULT (WINAPI *pVarR8FromUI1)(BYTE,double*);
static HRESULT (WINAPI *pVarR8FromI2)(SHORT,double*);
static HRESULT (WINAPI *pVarR8FromI4)(LONG,double*);
static HRESULT (WINAPI *pVarR8FromR4)(FLOAT,double*);
static HRESULT (WINAPI *pVarR8FromCy)(CY,double*);
static HRESULT (WINAPI *pVarR8FromDate)(DATE,double*);
static HRESULT (WINAPI *pVarR8FromStr)(OLECHAR*,LCID,ULONG,double*);
static HRESULT (WINAPI *pVarR8FromBool)(VARIANT_BOOL,double*);
static HRESULT (WINAPI *pVarR8FromI1)(signed char,double*);
static HRESULT (WINAPI *pVarR8FromUI2)(USHORT,double*);
static HRESULT (WINAPI *pVarR8FromUI4)(ULONG,double*);
static HRESULT (WINAPI *pVarR8FromDec)(DECIMAL*,double*);
static HRESULT (WINAPI *pVarR8FromI8)(LONG64,double*);
static HRESULT (WINAPI *pVarR8FromUI8)(ULONG64,double*);
static HRESULT (WINAPI *pVarR8Round)(double,int,double*);

static HRESULT (WINAPI *pVarDateFromUI1)(BYTE,DATE*);
static HRESULT (WINAPI *pVarDateFromI2)(SHORT,DATE*);
static HRESULT (WINAPI *pVarDateFromI4)(LONG,DATE*);
static HRESULT (WINAPI *pVarDateFromR4)(FLOAT,DATE*);
static HRESULT (WINAPI *pVarDateFromCy)(CY,DATE*);
static HRESULT (WINAPI *pVarDateFromR8)(double,DATE*);
static HRESULT (WINAPI *pVarDateFromStr)(OLECHAR*,LCID,ULONG,DATE*);
static HRESULT (WINAPI *pVarDateFromBool)(VARIANT_BOOL,DATE*);
static HRESULT (WINAPI *pVarDateFromI1)(signed char,DATE*);
static HRESULT (WINAPI *pVarDateFromUI2)(USHORT,DATE*);
static HRESULT (WINAPI *pVarDateFromUI4)(ULONG,DATE*);
static HRESULT (WINAPI *pVarDateFromDec)(DECIMAL*,DATE*);
static HRESULT (WINAPI *pVarDateFromI8)(LONG64,DATE*);
static HRESULT (WINAPI *pVarDateFromUI8)(ULONG64,DATE*);

static HRESULT (WINAPI *pVarCyFromUI1)(BYTE,CY*);
static HRESULT (WINAPI *pVarCyFromI2)(SHORT,CY*);
static HRESULT (WINAPI *pVarCyFromI4)(LONG,CY*);
static HRESULT (WINAPI *pVarCyFromR4)(FLOAT,CY*);
static HRESULT (WINAPI *pVarCyFromR8)(double,CY*);
static HRESULT (WINAPI *pVarCyFromDate)(DATE,CY*);
static HRESULT (WINAPI *pVarCyFromBool)(VARIANT_BOOL,CY*);
static HRESULT (WINAPI *pVarCyFromI1)(signed char,CY*);
static HRESULT (WINAPI *pVarCyFromUI2)(USHORT,CY*);
static HRESULT (WINAPI *pVarCyFromUI4)(ULONG,CY*);
static HRESULT (WINAPI *pVarCyFromDec)(DECIMAL*,CY*);
static HRESULT (WINAPI *pVarCyFromI8)(LONG64,CY*);
static HRESULT (WINAPI *pVarCyFromUI8)(ULONG64,CY*);
static HRESULT (WINAPI *pVarCyAdd)(const CY,const CY,CY*);
static HRESULT (WINAPI *pVarCyMul)(const CY,const CY,CY*);
static HRESULT (WINAPI *pVarCyMulI4)(const CY,LONG,CY*);
static HRESULT (WINAPI *pVarCySub)(const CY,const CY,CY*);
static HRESULT (WINAPI *pVarCyAbs)(const CY,CY*);
static HRESULT (WINAPI *pVarCyFix)(const CY,CY*);
static HRESULT (WINAPI *pVarCyInt)(const CY,CY*);
static HRESULT (WINAPI *pVarCyNeg)(const CY,CY*);
static HRESULT (WINAPI *pVarCyRound)(const CY,int,CY*);
static HRESULT (WINAPI *pVarCyCmp)(const CY,const CY);
static HRESULT (WINAPI *pVarCyCmpR8)(const CY,double);
static HRESULT (WINAPI *pVarCyMulI8)(const CY,LONG64,CY*);

static HRESULT (WINAPI *pVarDecFromUI1)(BYTE,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromI2)(SHORT,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromI4)(LONG,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromI8)(LONG64,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromR4)(FLOAT,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromR8)(DOUBLE,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromDate)(DATE,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromStr)(OLECHAR*,LCID,ULONG,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromBool)(VARIANT_BOOL,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromI1)(signed char,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromUI2)(USHORT,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromUI4)(ULONG,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromUI8)(ULONG64,DECIMAL*);
static HRESULT (WINAPI *pVarDecFromCy)(CY,DECIMAL*);
static HRESULT (WINAPI *pVarDecAbs)(const DECIMAL*,DECIMAL*);
static HRESULT (WINAPI *pVarDecAdd)(const DECIMAL*,const DECIMAL*,DECIMAL*);
static HRESULT (WINAPI *pVarDecSub)(const DECIMAL*,const DECIMAL*,DECIMAL*);
static HRESULT (WINAPI *pVarDecMul)(const DECIMAL*,const DECIMAL*,DECIMAL*);
static HRESULT (WINAPI *pVarDecDiv)(const DECIMAL*,const DECIMAL*,DECIMAL*);
static HRESULT (WINAPI *pVarDecCmp)(const DECIMAL*,const DECIMAL*);
static HRESULT (WINAPI *pVarDecNeg)(const DECIMAL*,DECIMAL*);

static HRESULT (WINAPI *pVarBoolFromUI1)(BYTE,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromI2)(SHORT,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromI4)(LONG,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromR4)(FLOAT,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromR8)(DOUBLE,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromDate)(DATE,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromCy)(CY,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromStr)(OLECHAR*,LCID,ULONG,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromI1)(signed char,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromUI2)(USHORT,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromUI4)(ULONG,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromDec)(DECIMAL*,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromI8)(LONG64,VARIANT_BOOL*);
static HRESULT (WINAPI *pVarBoolFromUI8)(ULONG64,VARIANT_BOOL*);

static HRESULT (WINAPI *pVarBstrFromR4)(FLOAT,LCID,ULONG,BSTR*);
static HRESULT (WINAPI *pVarBstrFromDate)(DATE,LCID,ULONG,BSTR*);
static HRESULT (WINAPI *pVarBstrFromCy)(CY,LCID,ULONG,BSTR*);
static HRESULT (WINAPI *pVarBstrFromDec)(DECIMAL*,LCID,ULONG,BSTR*);
static HRESULT (WINAPI *pVarBstrCmp)(BSTR,BSTR,LCID,ULONG);

static INT (WINAPI *pSystemTimeToVariantTime)(LPSYSTEMTIME,double*);
static void (WINAPI *pClearCustData)(LPCUSTDATA);

/* Internal representation of a BSTR */
typedef struct tagINTERNAL_BSTR
{
  DWORD   dwLen;
  OLECHAR szString[1];
} INTERNAL_BSTR, *LPINTERNAL_BSTR;

typedef struct
{
  const IDispatchVtbl *lpVtbl;
  LONG ref;
  VARTYPE vt;
  BOOL bFailInvoke;
} DummyDispatch;

static DummyDispatch dispatch;

static ULONG WINAPI DummyDispatch_AddRef(LPDISPATCH iface)
{
  trace("AddRef(%p)\n", iface);
  return InterlockedIncrement(&((DummyDispatch*)iface)->ref);
}

static ULONG WINAPI DummyDispatch_Release(LPDISPATCH iface)
{
  trace("Release(%p)\n", iface);
  return InterlockedDecrement(&((DummyDispatch*)iface)->ref);
}

static HRESULT WINAPI DummyDispatch_QueryInterface(LPDISPATCH iface,
                                                   REFIID riid,
                                                   void** ppvObject)
{
  trace("QueryInterface(%p)\n", iface);
  if (ppvObject)
  {
    *ppvObject = NULL;
    if (IsEqualIID(riid, &IID_IDispatch))
    {
      trace("Asked for IID_IDispatch\n");
      *ppvObject = iface;
    }
    else if (IsEqualIID(riid, &IID_IUnknown))
    {
      trace("Asked for IID_IUnknown\n");
      *ppvObject = iface;
    }
    if (*ppvObject)
    {
      DummyDispatch_AddRef(*ppvObject);
      return S_OK;
    }
  }
  return E_NOINTERFACE;
}

static HRESULT WINAPI DummyDispatch_Invoke(LPDISPATCH iface,
                                           DISPID dispIdMember, REFIID riid,
                                           LCID lcid, WORD wFlags,
                                           DISPPARAMS *pDispParams,
                                           VARIANT *pVarResult,
                                           EXCEPINFO *pExcepInfo,
                                           UINT *puArgErr)
{
  trace("Invoke(%p)\n", iface);
  ok(wFlags == DISPATCH_PROPERTYGET, "Flags wrong\n");
  ok(pDispParams->cArgs == 0, "Property get has args\n");

  if (dispatch.bFailInvoke)
    return E_OUTOFMEMORY;

  memset(pVarResult, 0, sizeof(*pVarResult));
  V_VT(pVarResult) = dispatch.vt;
  return S_OK;
}

static const IDispatchVtbl DummyDispatch_VTable =
{
  DummyDispatch_QueryInterface,
  DummyDispatch_AddRef,
  DummyDispatch_Release,
  NULL,
  NULL,
  NULL,
  DummyDispatch_Invoke
};

static DummyDispatch dispatch = { &DummyDispatch_VTable, 1, 0, 0 };

/*
 * VT_I1/VT_UI1
 */

#undef CONV_TYPE
#define CONV_TYPE signed char
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%d")

static void test_VarI1FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarI1FromI2);
  OVERFLOWRANGE(VarI1FromI2, -32768, -128);
  CONVERTRANGE(VarI1FromI2, -128, 128);
  OVERFLOWRANGE(VarI1FromI2, 129, 32768);
}

static void test_VarI1FromI4(void)
{
  CONVVARS(LONG);
  int i;

  CHECKPTR(VarI1FromI4);
  CONVERT(VarI1FromI4, -129); EXPECT_OVERFLOW;
  CONVERTRANGE(VarI1FromI4, -128, 128);
  CONVERT(VarI1FromI4, 128);  EXPECT_OVERFLOW;
}

static void test_VarI1FromI8(void)
{
  CONVVARS(LONG64);
  int i;

  CHECKPTR(VarI1FromI8);
  CONVERT(VarI1FromI8, -129);   EXPECT_OVERFLOW;
  CONVERTRANGE(VarI1FromI8, -127, 128);
  CONVERT(VarI1FromI8, 128);    EXPECT_OVERFLOW;
}

static void test_VarI1FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarI1FromUI1);
  CONVERTRANGE(VarI1FromUI1, 0, 127);
  OVERFLOWRANGE(VarI1FromUI1, 128, 255);
}

static void test_VarI1FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarI1FromUI2);
  CONVERTRANGE(VarI1FromUI2, 0, 127);
  OVERFLOWRANGE(VarI1FromUI2, 128, 32768);
}

static void test_VarI1FromUI4(void)
{
  CONVVARS(ULONG);
  int i;

  CHECKPTR(VarI1FromUI4);
  CONVERTRANGE(VarI1FromUI4, 0, 127);
  CONVERT(VarI1FromUI4, 128); EXPECT_OVERFLOW;
}

static void test_VarI1FromUI8(void)
{
  CONVVARS(ULONG64);
  int i;

  CHECKPTR(VarI1FromUI8);
  CONVERTRANGE(VarI1FromUI8, 0, 127);
  CONVERT(VarI1FromUI8, 128); EXPECT_OVERFLOW;
}

static void test_VarI1FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarI1FromBool);
  /* Note that conversions from bool wrap around! */
  CONVERT(VarI1FromBool, -129);  EXPECT(127);
  CONVERTRANGE(VarI1FromBool, -128, 128);
  CONVERT(VarI1FromBool, 128); EXPECT(-128);
}

static void test_VarI1FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarI1FromR4);
  CONVERT(VarI1FromR4, -129.0f); EXPECT_OVERFLOW;
  CONVERT(VarI1FromR4, -128.0f); EXPECT(-128);
  CONVERT(VarI1FromR4, -1.0f);   EXPECT(-1);
  CONVERT(VarI1FromR4, 0.0f);    EXPECT(0);
  CONVERT(VarI1FromR4, 1.0f);    EXPECT(1);
  CONVERT(VarI1FromR4, 127.0f);  EXPECT(127);
  CONVERT(VarI1FromR4, 128.0f);  EXPECT_OVERFLOW;

  CONVERT(VarI1FromR4, -1.5f); EXPECT(-2);
  CONVERT(VarI1FromR4, -0.6f); EXPECT(-1);
  CONVERT(VarI1FromR4, -0.5f); EXPECT(0);
  CONVERT(VarI1FromR4, -0.4f); EXPECT(0);
  CONVERT(VarI1FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarI1FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarI1FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarI1FromR4, 1.5f);  EXPECT(2);
}

static void test_VarI1FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarI1FromR8);
  CONVERT(VarI1FromR8, -129.0); EXPECT_OVERFLOW;
  CONVERT(VarI1FromR8, -128.0); EXPECT(-128);
  CONVERT(VarI1FromR8, -1.0);   EXPECT(-1);
  CONVERT(VarI1FromR8, 0.0);    EXPECT(0);
  CONVERT(VarI1FromR8, 1.0);    EXPECT(1);
  CONVERT(VarI1FromR8, 127.0);  EXPECT(127);
  CONVERT(VarI1FromR8, 128.0);  EXPECT_OVERFLOW;

  CONVERT(VarI1FromR8, -1.5); EXPECT(-2);
  CONVERT(VarI1FromR8, -0.6); EXPECT(-1);
  CONVERT(VarI1FromR8, -0.5); EXPECT(0);
  CONVERT(VarI1FromR8, -0.4); EXPECT(0);
  CONVERT(VarI1FromR8, 0.4);  EXPECT(0);
  CONVERT(VarI1FromR8, 0.5);  EXPECT(0);
  CONVERT(VarI1FromR8, 0.6);  EXPECT(1);
  CONVERT(VarI1FromR8, 1.5);  EXPECT(2);
}

static void test_VarI1FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarI1FromDate);
  CONVERT(VarI1FromDate, -129.0); EXPECT_OVERFLOW;
  CONVERT(VarI1FromDate, -128.0); EXPECT(-128);
  CONVERT(VarI1FromDate, -1.0);   EXPECT(-1);
  CONVERT(VarI1FromDate, 0.0);    EXPECT(0);
  CONVERT(VarI1FromDate, 1.0);    EXPECT(1);
  CONVERT(VarI1FromDate, 127.0);  EXPECT(127);
  CONVERT(VarI1FromDate, 128.0);  EXPECT_OVERFLOW;

  CONVERT(VarI1FromDate, -1.5); EXPECT(-2);
  CONVERT(VarI1FromDate, -0.6); EXPECT(-1);
  CONVERT(VarI1FromDate, -0.5); EXPECT(0);
  CONVERT(VarI1FromDate, -0.4); EXPECT(0);
  CONVERT(VarI1FromDate, 0.4);  EXPECT(0);
  CONVERT(VarI1FromDate, 0.5);  EXPECT(0);
  CONVERT(VarI1FromDate, 0.6);  EXPECT(1);
  CONVERT(VarI1FromDate, 1.5);  EXPECT(2);
}

static void test_VarI1FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarI1FromCy);
  CONVERT_CY(VarI1FromCy,-129); EXPECT_OVERFLOW;
  CONVERT_CY(VarI1FromCy,-128); EXPECT(128);
  CONVERT_CY(VarI1FromCy,-1);   EXPECT(-1);
  CONVERT_CY(VarI1FromCy,0);    EXPECT(0);
  CONVERT_CY(VarI1FromCy,1);    EXPECT(1);
  CONVERT_CY(VarI1FromCy,127);  EXPECT(127);
  CONVERT_CY(VarI1FromCy,128);  EXPECT_OVERFLOW;

  CONVERT_CY(VarI1FromCy,-1.5); EXPECT(-2);
  CONVERT_CY(VarI1FromCy,-0.6); EXPECT(-1);
  CONVERT_CY(VarI1FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarI1FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarI1FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarI1FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarI1FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarI1FromCy,1.5);  EXPECT(2);
}

static void test_VarI1FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarI1FromDec);

  CONVERT_BADDEC(VarI1FromDec);

  CONVERT_DEC(VarI1FromDec,0,0x80,0,129); EXPECT_OVERFLOW;
  CONVERT_DEC(VarI1FromDec,0,0x80,0,128); EXPECT(-128);
  CONVERT_DEC(VarI1FromDec,0,0x80,0,1);   EXPECT(-1);
  CONVERT_DEC(VarI1FromDec,0,0,0,0);      EXPECT(0);
  CONVERT_DEC(VarI1FromDec,0,0,0,1);      EXPECT(1);
  CONVERT_DEC(VarI1FromDec,0,0,0,127);    EXPECT(127);
  CONVERT_DEC(VarI1FromDec,0,0,0,128);    EXPECT_OVERFLOW;

  CONVERT_DEC(VarI1FromDec,2,0x80,0,12800); EXPECT(-128);
  CONVERT_DEC(VarI1FromDec,2,0,0,12700);    EXPECT(127);
}

static void test_VarI1FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarI1FromStr);

  CONVERT_STR(VarI1FromStr,NULL, 0);   EXPECT_MISMATCH;
  CONVERT_STR(VarI1FromStr,"0", 0);    EXPECT(0);
  CONVERT_STR(VarI1FromStr,"-129", 0); EXPECT_OVERFLOW;
  CONVERT_STR(VarI1FromStr,"-128", 0); EXPECT(-128);
  CONVERT_STR(VarI1FromStr,"127", 0);  EXPECT(127);
  CONVERT_STR(VarI1FromStr,"128", 0);  EXPECT_OVERFLOW;

  CONVERT_STR(VarI1FromStr,"-1.5", LOCALE_NOUSEROVERRIDE); EXPECT(-2);
  CONVERT_STR(VarI1FromStr,"-0.6", LOCALE_NOUSEROVERRIDE); EXPECT(-1);
  CONVERT_STR(VarI1FromStr,"-0.5", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI1FromStr,"-0.4", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI1FromStr,"0.4", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI1FromStr,"0.5", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI1FromStr,"0.6", LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarI1FromStr,"1.5", LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarI1Copy(void)
{
  if (!IS_ANCIENT)
  {
      COPYTEST(1, VT_I1, V_I1(&vSrc), V_I1(&vDst), V_I1REF(&vSrc), V_I1REF(&vDst), "%d");
  }
}

static void test_VarI1ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  if (!IS_ANCIENT)
  {
      INITIAL_TYPETEST(VT_I1, V_I1, "%d");
      COMMON_TYPETEST;
      NEGATIVE_TYPETEST(VT_I1, V_I1, "%d", VT_UI1, V_UI1);
  }
}

#undef CONV_TYPE
#define CONV_TYPE BYTE

static void test_VarUI1FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarUI1FromI1);
  OVERFLOWRANGE(VarUI1FromI1, -128, 0);
  CONVERTRANGE(VarUI1FromI1, 0, 128);
}

static void test_VarUI1FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarUI1FromI2);
  OVERFLOWRANGE(VarUI1FromI2, -32768, 0);
  CONVERTRANGE(VarUI1FromI2, 0, 256);
  OVERFLOWRANGE(VarUI1FromI2, 256, 32768);
}

static void test_VarUI1FromI4(void)
{
  CONVVARS(LONG);
  int i;

  CHECKPTR(VarUI1FromI4);
  CONVERT(VarUI1FromI4, -1);  EXPECT_OVERFLOW;
  CONVERTRANGE(VarUI1FromI4, 0, 256);
  CONVERT(VarUI1FromI4, 256); EXPECT_OVERFLOW;
}

static void test_VarUI1FromI8(void)
{
  CONVVARS(LONG64);
  int i;

  CHECKPTR(VarUI1FromI8);
  CONVERT(VarUI1FromI8, -1);  EXPECT_OVERFLOW;
  CONVERTRANGE(VarUI1FromI8, 0, 256);
  CONVERT(VarUI1FromI8, 256); EXPECT_OVERFLOW;
}

static void test_VarUI1FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarUI1FromUI2);
  CONVERTRANGE(VarUI1FromUI2, 0, 256);
  OVERFLOWRANGE(VarUI1FromUI2, 256, 65536);
}

static void test_VarUI1FromUI4(void)
{
  CONVVARS(ULONG);
  int i;

  CHECKPTR(VarUI1FromUI4);
  CONVERTRANGE(VarUI1FromUI4, 0, 256);
  CONVERT(VarUI1FromUI4, 256); EXPECT_OVERFLOW;
}

static void test_VarUI1FromUI8(void)
{
  CONVVARS(ULONG64);
  int i;

  CHECKPTR(VarUI1FromUI8);
  CONVERTRANGE(VarUI1FromUI8, 0, 256);
  CONVERT(VarUI1FromUI8, 256); EXPECT_OVERFLOW;
}

static void test_VarUI1FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarUI1FromBool);
  /* Note that conversions from bool overflow! */
  CONVERT(VarUI1FromBool, -1); EXPECT(255);
  CONVERTRANGE(VarUI1FromBool, 0, 256);
  CONVERT(VarUI1FromBool, 256); EXPECT(0);
}

static void test_VarUI1FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarUI1FromR4);
  CONVERT(VarUI1FromR4, -1.0f);  EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR4, 0.0f);   EXPECT(0);
  CONVERT(VarUI1FromR4, 1.0f);   EXPECT(1);
  CONVERT(VarUI1FromR4, 255.0f); EXPECT(255);
  CONVERT(VarUI1FromR4, 256.0f); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI1FromR4, -1.5f); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR4, -0.6f); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR4, -0.5f); EXPECT(0);
  CONVERT(VarUI1FromR4, -0.4f); EXPECT(0);
  CONVERT(VarUI1FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarUI1FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarUI1FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarUI1FromR4, 1.5f);  EXPECT(2);
}

static void test_VarUI1FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarUI1FromR8);
  CONVERT(VarUI1FromR8, -1.0);  EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR8, 0.0);   EXPECT(0);
  CONVERT(VarUI1FromR8, 1.0);   EXPECT(1);
  CONVERT(VarUI1FromR8, 255.0); EXPECT(255);
  CONVERT(VarUI1FromR8, 256.0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI1FromR8, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR8, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromR8, -0.5); EXPECT(0);
  CONVERT(VarUI1FromR8, -0.4); EXPECT(0);
  CONVERT(VarUI1FromR8, 0.4);  EXPECT(0);
  CONVERT(VarUI1FromR8, 0.5);  EXPECT(0);
  CONVERT(VarUI1FromR8, 0.6);  EXPECT(1);
  CONVERT(VarUI1FromR8, 1.5);  EXPECT(2);
}

static void test_VarUI1FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarUI1FromDate);
  CONVERT(VarUI1FromDate, -1.0);  EXPECT_OVERFLOW;
  CONVERT(VarUI1FromDate, 0.0);   EXPECT(0);
  CONVERT(VarUI1FromDate, 1.0);   EXPECT(1);
  CONVERT(VarUI1FromDate, 255.0); EXPECT(255);
  CONVERT(VarUI1FromDate, 256.0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI1FromDate, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromDate, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI1FromDate, -0.5); EXPECT(0);
  CONVERT(VarUI1FromDate, -0.4); EXPECT(0);
  CONVERT(VarUI1FromDate, 0.4);  EXPECT(0);
  CONVERT(VarUI1FromDate, 0.5);  EXPECT(0);
  CONVERT(VarUI1FromDate, 0.6);  EXPECT(1);
  CONVERT(VarUI1FromDate, 1.5);  EXPECT(2);
}

static void test_VarUI1FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarUI1FromCy);
  CONVERT_CY(VarUI1FromCy,-1);  EXPECT_OVERFLOW;
  CONVERT_CY(VarUI1FromCy,0);   EXPECT(0);
  CONVERT_CY(VarUI1FromCy,1);   EXPECT(1);
  CONVERT_CY(VarUI1FromCy,255); EXPECT(255);
  CONVERT_CY(VarUI1FromCy,256); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_CY(VarUI1FromCy,-1.5); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI1FromCy,-0.6); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI1FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarUI1FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarUI1FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarUI1FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarUI1FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarUI1FromCy,1.5);  EXPECT(2);
}

static void test_VarUI1FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarUI1FromDec);

  CONVERT_BADDEC(VarUI1FromDec);

  CONVERT_DEC(VarUI1FromDec,0,0x80,0,1); EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI1FromDec,0,0,0,0);    EXPECT(0);
  CONVERT_DEC(VarUI1FromDec,0,0,0,1);    EXPECT(1);
  CONVERT_DEC(VarUI1FromDec,0,0,0,255);  EXPECT(255);
  CONVERT_DEC(VarUI1FromDec,0,0,0,256);  EXPECT_OVERFLOW;

  CONVERT_DEC(VarUI1FromDec,2,0x80,0,100); EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI1FromDec,2,0,0,25500);  EXPECT(255);
}

static void test_VarUI1FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarUI1FromStr);

  CONVERT_STR(VarUI1FromStr,NULL, 0);   EXPECT_MISMATCH;
  CONVERT_STR(VarUI1FromStr,"0", 0);    EXPECT(0);
  CONVERT_STR(VarUI1FromStr,"-1", 0);   EXPECT_OVERFLOW;
  CONVERT_STR(VarUI1FromStr,"255", 0);  EXPECT(255);
  CONVERT_STR(VarUI1FromStr,"256", 0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_STR(VarUI1FromStr,"-1.5", LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI1FromStr,"-0.6", LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI1FromStr,"-0.5", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI1FromStr,"-0.4", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI1FromStr,"0.4", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI1FromStr,"0.5", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI1FromStr,"0.6", LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarUI1FromStr,"1.5", LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarUI1FromDisp(void)
{
  CONVVARS(LCID);
  VARIANTARG vSrc, vDst;

  CHECKPTR(VarUI1FromDisp);

  /* FIXME
   * Conversions from IDispatch should get the default 'value' property
   * from the IDispatch pointer and return it. The following tests this.
   * However, I can't get these tests to return a valid value under native
   * oleaut32, regardless of the value returned in response to the Invoke()
   * call (early versions of oleaut32 call AddRef/Release, but not Invoke.
   * I'm obviously missing something, as these conversions work fine
   * when called through VBA on an object to get its default value property.
   *
   * Should this test be corrected so that it works under native it should be
   * generalised and the remaining types checked as well.
   */
  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  VariantInit(&vSrc);
  VariantInit(&vDst);

  V_VT(&vSrc) = VT_DISPATCH;
  V_DISPATCH(&vSrc) = (IDispatch*)&dispatch;
  dispatch.vt = VT_UI1;
  dispatch.bFailInvoke = FALSE;

  hres = pVarUI1FromDisp((IDispatch*)&dispatch, in, &out);
  trace("0x%08x\n", hres);

  hres = VariantChangeTypeEx(&vDst, &vSrc, in, 0, VT_UI1);
  trace("0x%08x\n", hres);

  dispatch.bFailInvoke = TRUE;

  hres = pVarUI1FromDisp((IDispatch*)&dispatch, in, &out);
  trace("0x%08x\n", hres);

  hres = VariantChangeTypeEx(&vDst, &vSrc, in, 0, VT_UI1);
  trace("0x%08x\n", hres);
}

static void test_VarUI1Copy(void)
{
  COPYTEST(1, VT_UI1, V_UI1(&vSrc), V_UI1(&vDst), V_UI1REF(&vSrc), V_UI1REF(&vDst), "%d");
}

static void test_VarUI1ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  INITIAL_TYPETEST(VT_UI1, V_UI1, "%d");
  COMMON_TYPETEST;
  NEGATIVE_TYPETEST(VT_UI1, V_UI1, "%d", VT_I1, V_I1);
}

/*
 * VT_I2/VT_UI2
 */

#undef CONV_TYPE
#define CONV_TYPE SHORT
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%d")

static void test_VarI2FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarI2FromI1);
  CONVERTRANGE(VarI2FromI1, -128, 128);
}

static void test_VarI2FromI4(void)
{
  CONVVARS(LONG);
  int i;

  CHECKPTR(VarI2FromI4);
  CONVERT(VarI2FromI4, -32769); EXPECT_OVERFLOW;
  CONVERTRANGE(VarI2FromI4, -32768, 32768);
  CONVERT(VarI2FromI4, 32768);  EXPECT_OVERFLOW;
}

static void test_VarI2FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarI2FromI8);
  CONVERT(VarI2FromI8, -32769); EXPECT_OVERFLOW;
  CONVERT(VarI2FromI8, -32768); EXPECT(-32768);
  CONVERT(VarI2FromI8, 32767);  EXPECT(32767);
  CONVERT(VarI2FromI8, 32768);  EXPECT_OVERFLOW;
}

static void test_VarI2FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarI2FromUI1);
  CONVERTRANGE(VarI2FromUI1, 0, 256);
}

static void test_VarI2FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarI2FromUI2);
  CONVERTRANGE(VarI2FromUI2, 0, 32768);
  CONVERT(VarI2FromUI2, 32768); EXPECT_OVERFLOW;
}

static void test_VarI2FromUI4(void)
{
  CONVVARS(ULONG);
  int i;

  CHECKPTR(VarI2FromUI4);
  CONVERTRANGE(VarI2FromUI4, 0, 32768);
  CONVERT(VarI2FromUI4, 32768); EXPECT_OVERFLOW;
}

static void test_VarI2FromUI8(void)
{
  CONVVARS(ULONG64);
  int i;

  CHECKPTR(VarI2FromUI8);
  CONVERTRANGE(VarI2FromUI8, 0, 32768);
  CONVERT(VarI2FromUI8, 32768); EXPECT_OVERFLOW;
}

static void test_VarI2FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarI2FromBool);
  CONVERTRANGE(VarI2FromBool, -32768, 32768);
}

static void test_VarI2FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarI2FromR4);
  CONVERT(VarI2FromR4, -32769.0f); EXPECT_OVERFLOW;
  CONVERT(VarI2FromR4, -32768.0f); EXPECT(-32768);
  CONVERT(VarI2FromR4, -1.0f);     EXPECT(-1);
  CONVERT(VarI2FromR4, 0.0f);      EXPECT(0);
  CONVERT(VarI2FromR4, 1.0f);      EXPECT(1);
  CONVERT(VarI2FromR4, 32767.0f);  EXPECT(32767);
  CONVERT(VarI2FromR4, 32768.0f);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarI2FromR4, -1.5f); EXPECT(-2);
  CONVERT(VarI2FromR4, -0.6f); EXPECT(-1);
  CONVERT(VarI2FromR4, -0.5f); EXPECT(0);
  CONVERT(VarI2FromR4, -0.4f); EXPECT(0);
  CONVERT(VarI2FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarI2FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarI2FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarI2FromR4, 1.5f);  EXPECT(2);
}

static void test_VarI2FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarI2FromR8);
  CONVERT(VarI2FromR8, -32769.0); EXPECT_OVERFLOW;
  CONVERT(VarI2FromR8, -32768.0); EXPECT(-32768);
  CONVERT(VarI2FromR8, -1.0);     EXPECT(-1);
  CONVERT(VarI2FromR8, 0.0);      EXPECT(0);
  CONVERT(VarI2FromR8, 1.0);      EXPECT(1);
  CONVERT(VarI2FromR8, 32767.0);  EXPECT(32767);
  CONVERT(VarI2FromR8, 32768.0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarI2FromR8, -1.5); EXPECT(-2);
  CONVERT(VarI2FromR8, -0.6); EXPECT(-1);
  CONVERT(VarI2FromR8, -0.5); EXPECT(0);
  CONVERT(VarI2FromR8, -0.4); EXPECT(0);
  CONVERT(VarI2FromR8, 0.4);  EXPECT(0);
  CONVERT(VarI2FromR8, 0.5);  EXPECT(0);
  CONVERT(VarI2FromR8, 0.6);  EXPECT(1);
  CONVERT(VarI2FromR8, 1.5);  EXPECT(2);
}

static void test_VarI2FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarI2FromDate);
  CONVERT(VarI2FromDate, -32769.0); EXPECT_OVERFLOW;
  CONVERT(VarI2FromDate, -32768.0); EXPECT(-32768);
  CONVERT(VarI2FromDate, -1.0);   EXPECT(-1);
  CONVERT(VarI2FromDate, 0.0);    EXPECT(0);
  CONVERT(VarI2FromDate, 1.0);    EXPECT(1);
  CONVERT(VarI2FromDate, 32767.0);  EXPECT(32767);
  CONVERT(VarI2FromDate, 32768.0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarI2FromDate, -1.5); EXPECT(-2);
  CONVERT(VarI2FromDate, -0.6); EXPECT(-1);
  CONVERT(VarI2FromDate, -0.5); EXPECT(0);
  CONVERT(VarI2FromDate, -0.4); EXPECT(0);
  CONVERT(VarI2FromDate, 0.4);  EXPECT(0);
  CONVERT(VarI2FromDate, 0.5);  EXPECT(0);
  CONVERT(VarI2FromDate, 0.6);  EXPECT(1);
  CONVERT(VarI2FromDate, 1.5);  EXPECT(2);
}

static void test_VarI2FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarI2FromCy);
  CONVERT_CY(VarI2FromCy,-32769); EXPECT_OVERFLOW;
  CONVERT_CY(VarI2FromCy,-32768); EXPECT(32768);
  CONVERT_CY(VarI2FromCy,-1);     EXPECT(-1);
  CONVERT_CY(VarI2FromCy,0);      EXPECT(0);
  CONVERT_CY(VarI2FromCy,1);      EXPECT(1);
  CONVERT_CY(VarI2FromCy,32767);  EXPECT(32767);
  CONVERT_CY(VarI2FromCy,32768);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_CY(VarI2FromCy,-1.5); EXPECT(-2);
  CONVERT_CY(VarI2FromCy,-0.6); EXPECT(-1);
  CONVERT_CY(VarI2FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarI2FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarI2FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarI2FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarI2FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarI2FromCy,1.5);  EXPECT(2);
}

static void test_VarI2FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarI2FromDec);

  CONVERT_BADDEC(VarI2FromDec);

  CONVERT_DEC(VarI2FromDec,0,0x80,0,32769); EXPECT_OVERFLOW;
  CONVERT_DEC(VarI2FromDec,0,0x80,0,32768); EXPECT(-32768);
  CONVERT_DEC(VarI2FromDec,0,0x80,0,1);     EXPECT(-1);
  CONVERT_DEC(VarI2FromDec,0,0,0,0);        EXPECT(0);
  CONVERT_DEC(VarI2FromDec,0,0,0,1);        EXPECT(1);
  CONVERT_DEC(VarI2FromDec,0,0,0,32767);    EXPECT(32767);
  CONVERT_DEC(VarI2FromDec,0,0,0,32768);    EXPECT_OVERFLOW;

  CONVERT_DEC(VarI2FromDec,2,0x80,0,3276800); EXPECT(-32768);
  CONVERT_DEC(VarI2FromDec,2,0,0,3276700);    EXPECT(32767);
  CONVERT_DEC(VarI2FromDec,2,0,0,3276800);    EXPECT_OVERFLOW;
}

static void test_VarI2FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarI2FromStr);

  CONVERT_STR(VarI2FromStr,NULL, 0);     EXPECT_MISMATCH;
  CONVERT_STR(VarI2FromStr,"0", 0);      EXPECT(0);
  CONVERT_STR(VarI2FromStr,"-32769", 0); EXPECT_OVERFLOW;
  CONVERT_STR(VarI2FromStr,"-32768", 0); EXPECT(-32768);
  CONVERT_STR(VarI2FromStr,"32767", 0);  EXPECT(32767);
  CONVERT_STR(VarI2FromStr,"32768", 0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_STR(VarI2FromStr,"-1.5", LOCALE_NOUSEROVERRIDE); EXPECT(-2);
  CONVERT_STR(VarI2FromStr,"-0.6", LOCALE_NOUSEROVERRIDE); EXPECT(-1);
  CONVERT_STR(VarI2FromStr,"-0.5", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI2FromStr,"-0.4", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI2FromStr,"0.4", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI2FromStr,"0.5", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI2FromStr,"0.6", LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarI2FromStr,"1.5", LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarI2Copy(void)
{
  COPYTEST(1, VT_I2, V_I2(&vSrc), V_I2(&vDst), V_I2REF(&vSrc), V_I2REF(&vDst), "%d");
}

static void test_VarI2ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  INITIAL_TYPETEST(VT_I2, V_I2, "%d");
  COMMON_TYPETEST;
  NEGATIVE_TYPETEST(VT_I2, V_I2, "%d", VT_UI2, V_UI2);
}

#undef CONV_TYPE
#define CONV_TYPE USHORT

static void test_VarUI2FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarUI2FromI1);
  OVERFLOWRANGE(VarUI2FromI1, -128, 0);
  CONVERTRANGE(VarUI2FromI1, 0, 128);
}

static void test_VarUI2FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarUI2FromI2);
  OVERFLOWRANGE(VarUI2FromI2, -32768, 0);
  CONVERTRANGE(VarUI2FromI2, 0, 32768);
}

static void test_VarUI2FromI4(void)
{
  CONVVARS(LONG);
  int i;

  CHECKPTR(VarUI2FromI4);
  OVERFLOWRANGE(VarUI2FromI4, -32768, 0);
  CONVERT(VarUI2FromI4, 0);     EXPECT(0);
  CONVERT(VarUI2FromI4, 65535); EXPECT(65535);
  CONVERT(VarUI2FromI4, 65536); EXPECT_OVERFLOW;
}

static void test_VarUI2FromI8(void)
{
  CONVVARS(LONG64);
  int i;

  CHECKPTR(VarUI2FromI8);
  OVERFLOWRANGE(VarUI2FromI8, -32768, 0);
  CONVERT(VarUI2FromI8, 0);     EXPECT(0);
  CONVERT(VarUI2FromI8, 65535); EXPECT(65535);
  CONVERT(VarUI2FromI8, 65536); EXPECT_OVERFLOW;
}

static void test_VarUI2FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarUI2FromUI1);
  CONVERTRANGE(VarUI2FromUI1, 0, 256);
}

static void test_VarUI2FromUI4(void)
{
  CONVVARS(ULONG);

  CHECKPTR(VarUI2FromUI4);
  CONVERT(VarUI2FromUI4, 0);     EXPECT(0);
  CONVERT(VarUI2FromUI4, 65535); EXPECT(65535);
  CONVERT(VarUI2FromUI4, 65536); EXPECT_OVERFLOW;
}

static void test_VarUI2FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarUI2FromUI8);
  CONVERT(VarUI2FromUI8, 0);     EXPECT(0);
  CONVERT(VarUI2FromUI8, 65535); EXPECT(65535);
  CONVERT(VarUI2FromUI8, 65536); EXPECT_OVERFLOW;
}

static void test_VarUI2FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarUI2FromBool);
  CONVERT(VarUI2FromBool, -1); EXPECT(65535); /* Wraps! */
  CONVERTRANGE(VarUI2FromBool, 0, 32768);
}

static void test_VarUI2FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarUI2FromR4);
  CONVERT(VarUI2FromR4, -1.0f);    EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR4, 0.0f);     EXPECT(0);
  CONVERT(VarUI2FromR4, 1.0f);     EXPECT(1);
  CONVERT(VarUI2FromR4, 65535.0f); EXPECT(65535);
  CONVERT(VarUI2FromR4, 65536.0f); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI2FromR4, -1.5f); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR4, -0.6f); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR4, -0.5f); EXPECT(0);
  CONVERT(VarUI2FromR4, -0.4f); EXPECT(0);
  CONVERT(VarUI2FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarUI2FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarUI2FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarUI2FromR4, 1.5f);  EXPECT(2);
}

static void test_VarUI2FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarUI2FromR8);
  CONVERT(VarUI2FromR8, -1.0);    EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR8, 0.0);     EXPECT(0);
  CONVERT(VarUI2FromR8, 1.0);     EXPECT(1);
  CONVERT(VarUI2FromR8, 65535.0); EXPECT(65535);
  CONVERT(VarUI2FromR8, 65536.0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI2FromR8, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR8, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromR8, -0.5); EXPECT(0);
  CONVERT(VarUI2FromR8, -0.4); EXPECT(0);
  CONVERT(VarUI2FromR8, 0.4);  EXPECT(0);
  CONVERT(VarUI2FromR8, 0.5);  EXPECT(0);
  CONVERT(VarUI2FromR8, 0.6);  EXPECT(1);
  CONVERT(VarUI2FromR8, 1.5);  EXPECT(2);
}

static void test_VarUI2FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarUI2FromDate);
  CONVERT(VarUI2FromDate, -1.0);    EXPECT_OVERFLOW;
  CONVERT(VarUI2FromDate, 0.0);     EXPECT(0);
  CONVERT(VarUI2FromDate, 1.0);     EXPECT(1);
  CONVERT(VarUI2FromDate, 65535.0); EXPECT(65535);
  CONVERT(VarUI2FromDate, 65536.0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarUI2FromDate, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromDate, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI2FromDate, -0.5); EXPECT(0);
  CONVERT(VarUI2FromDate, -0.4); EXPECT(0);
  CONVERT(VarUI2FromDate, 0.4);  EXPECT(0);
  CONVERT(VarUI2FromDate, 0.5);  EXPECT(0);
  CONVERT(VarUI2FromDate, 0.6);  EXPECT(1);
  CONVERT(VarUI2FromDate, 1.5);  EXPECT(2);
}

static void test_VarUI2FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarUI2FromCy);
  CONVERT_CY(VarUI2FromCy,-1);    EXPECT_OVERFLOW;
  CONVERT_CY(VarUI2FromCy,0);     EXPECT(0);
  CONVERT_CY(VarUI2FromCy,1);     EXPECT(1);
  CONVERT_CY(VarUI2FromCy,65535); EXPECT(65535);
  CONVERT_CY(VarUI2FromCy,65536); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_CY(VarUI2FromCy,-1.5); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI2FromCy,-0.6); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI2FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarUI2FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarUI2FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarUI2FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarUI2FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarUI2FromCy,1.5);  EXPECT(2);
}

static void test_VarUI2FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarUI2FromDec);

  CONVERT_BADDEC(VarUI2FromDec);

  CONVERT_DEC(VarUI2FromDec,0,0x80,0,1);  EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI2FromDec,0,0,0,0);     EXPECT(0);
  CONVERT_DEC(VarUI2FromDec,0,0,0,1);     EXPECT(1);
  CONVERT_DEC(VarUI2FromDec,0,0,0,65535); EXPECT(65535);
  CONVERT_DEC(VarUI2FromDec,0,0,0,65536); EXPECT_OVERFLOW;

  CONVERT_DEC(VarUI2FromDec,2,0x80,0,100);  EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI2FromDec,2,0,0,6553500); EXPECT(65535);
  CONVERT_DEC(VarUI2FromDec,2,0,0,6553600); EXPECT_OVERFLOW;
}

static void test_VarUI2FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarUI2FromStr);

  CONVERT_STR(VarUI2FromStr,NULL, 0);    EXPECT_MISMATCH;
  CONVERT_STR(VarUI2FromStr,"0", 0);     EXPECT(0);
  CONVERT_STR(VarUI2FromStr,"-1", 0);    EXPECT_OVERFLOW;
  CONVERT_STR(VarUI2FromStr,"65535", 0); EXPECT(65535);
  CONVERT_STR(VarUI2FromStr,"65536", 0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_STR(VarUI2FromStr,"-1.5", LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI2FromStr,"-0.6", LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI2FromStr,"-0.5", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI2FromStr,"-0.4", LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI2FromStr,"0.4", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI2FromStr,"0.5", LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI2FromStr,"0.6", LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarUI2FromStr,"1.5", LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarUI2Copy(void)
{
  if (!IS_ANCIENT)
  {
      COPYTEST(1, VT_UI2, V_UI2(&vSrc), V_UI2(&vDst), V_UI2REF(&vSrc), V_UI2REF(&vDst), "%d");
  }
}

static void test_VarUI2ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  if (!IS_ANCIENT)
  {
    INITIAL_TYPETEST(VT_UI2, V_UI2, "%d");
    COMMON_TYPETEST;
    NEGATIVE_TYPETEST(VT_UI2, V_UI2, "%d", VT_I2, V_I2);
  }
}

/*
 * VT_I4/VT_UI4
 */

#undef CONV_TYPE
#define CONV_TYPE LONG
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%d")


static void test_VarI4FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarI4FromI1);
  CONVERTRANGE(VarI4FromI1, -128, 128);
}

static void test_VarI4FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarI4FromI2);
  CONVERTRANGE(VarI4FromI2, -32768, 32768);
}

static void test_VarI4FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarI4FromI8);
  CHECKPTR(VarI4FromDec);

  CONVERT(VarI4FromI8, -1);                   EXPECT(-1);
  CONVERT(VarI4FromI8, 0);                    EXPECT(0);
  CONVERT(VarI4FromI8, 1);                    EXPECT(1);

  CONVERT_I8(VarI4FromI8, -1, 2147483647ul); EXPECT_OVERFLOW;
  CONVERT_I8(VarI4FromI8, -1, 2147483648ul); EXPECT(-2147483647 - 1);
  CONVERT_I8(VarI4FromI8, 0, 2147483647ul);  EXPECT(2147483647);
  CONVERT_I8(VarI4FromI8, 0, 2147483648ul);  EXPECT_OVERFLOW;
}

static void test_VarI4FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarI4FromUI1);
  CONVERTRANGE(VarI4FromUI1, 0, 256);
}

static void test_VarI4FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarI4FromUI2);
  CONVERTRANGE(VarI4FromUI2, 0, 65536);
}

static void test_VarI4FromUI4(void)
{
  CONVVARS(ULONG);

  CHECKPTR(VarI4FromUI4);
  CONVERT(VarI4FromUI4, 0);            EXPECT(0);
  CONVERT(VarI4FromUI4, 1);            EXPECT(1);
  CONVERT(VarI4FromUI4, 2147483647);   EXPECT(2147483647);
  CONVERT(VarI4FromUI4, 2147483648ul); EXPECT_OVERFLOW;
}

static void test_VarI4FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarI4FromUI8);
  CONVERT(VarI4FromUI8, 0);             EXPECT(0);
  CONVERT(VarI4FromUI8, 1);             EXPECT(1);
  CONVERT(VarI4FromUI8, 2147483647);    EXPECT(2147483647);
  CONVERT(VarI4FromUI8, 2147483648ul);  EXPECT_OVERFLOW;
}

static void test_VarI4FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarI4FromBool);
  CONVERTRANGE(VarI4FromBool, -32768, 32768);
}

static void test_VarI4FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarI4FromR4);

  /* min/max values are not exactly representable in a float */
  CONVERT(VarI4FromR4, -1.0f); EXPECT(-1);
  CONVERT(VarI4FromR4, 0.0f);  EXPECT(0);
  CONVERT(VarI4FromR4, 1.0f);  EXPECT(1);

  CONVERT(VarI4FromR4, -1.5f); EXPECT(-2);
  CONVERT(VarI4FromR4, -0.6f); EXPECT(-1);
  CONVERT(VarI4FromR4, -0.5f); EXPECT(0);
  CONVERT(VarI4FromR4, -0.4f); EXPECT(0);
  CONVERT(VarI4FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarI4FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarI4FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarI4FromR4, 1.5f);  EXPECT(2);
}

static void test_VarI4FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarI4FromR8);
  CONVERT(VarI4FromR8, -2147483649.0); EXPECT_OVERFLOW;
  CONVERT(VarI4FromR8, -2147483648.0); EXPECT(-2147483647 - 1);
  CONVERT(VarI4FromR8, -1.0);          EXPECT(-1);
  CONVERT(VarI4FromR8, 0.0);           EXPECT(0);
  CONVERT(VarI4FromR8, 1.0);           EXPECT(1);
  CONVERT(VarI4FromR8, 2147483647.0);  EXPECT(2147483647);
  CONVERT(VarI4FromR8, 2147483648.0);  EXPECT_OVERFLOW;

  CONVERT(VarI4FromR8, -1.5); EXPECT(-2);
  CONVERT(VarI4FromR8, -0.6); EXPECT(-1);
  CONVERT(VarI4FromR8, -0.5); EXPECT(0);
  CONVERT(VarI4FromR8, -0.4); EXPECT(0);
  CONVERT(VarI4FromR8, 0.4);  EXPECT(0);
  CONVERT(VarI4FromR8, 0.5);  EXPECT(0);
  CONVERT(VarI4FromR8, 0.6);  EXPECT(1);
  CONVERT(VarI4FromR8, 1.5);  EXPECT(2);
}

static void test_VarI4FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarI4FromDate);
  CONVERT(VarI4FromDate, -2147483649.0); EXPECT_OVERFLOW;
  CONVERT(VarI4FromDate, -2147483648.0); EXPECT(-2147483647 - 1);
  CONVERT(VarI4FromDate, -1.0);          EXPECT(-1);
  CONVERT(VarI4FromDate, 0.0);           EXPECT(0);
  CONVERT(VarI4FromDate, 1.0);           EXPECT(1);
  CONVERT(VarI4FromDate, 2147483647.0);  EXPECT(2147483647);
  CONVERT(VarI4FromDate, 2147483648.0);  EXPECT_OVERFLOW;

  CONVERT(VarI4FromDate, -1.5); EXPECT(-2);
  CONVERT(VarI4FromDate, -0.6); EXPECT(-1);
  CONVERT(VarI4FromDate, -0.5); EXPECT(0);
  CONVERT(VarI4FromDate, -0.4); EXPECT(0);
  CONVERT(VarI4FromDate, 0.4);  EXPECT(0);
  CONVERT(VarI4FromDate, 0.5);  EXPECT(0);
  CONVERT(VarI4FromDate, 0.6);  EXPECT(1);
  CONVERT(VarI4FromDate, 1.5);  EXPECT(2);
}

static void test_VarI4FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarI4FromCy);
  CONVERT_CY(VarI4FromCy,-1); EXPECT(-1);
  CONVERT_CY(VarI4FromCy,0);  EXPECT(0);
  CONVERT_CY(VarI4FromCy,1);  EXPECT(1);

  CONVERT_CY64(VarI4FromCy,-1,2147483647ul); EXPECT_OVERFLOW;
  CONVERT_CY64(VarI4FromCy,-1,2147483648ul); EXPECT(-2147483647 - 1);
  CONVERT_CY64(VarI4FromCy,0,2147483647ul);  EXPECT(2147483647ul);
  CONVERT_CY64(VarI4FromCy,0,2147483648ul);  EXPECT_OVERFLOW;

  CONVERT_CY(VarI4FromCy,-1.5); EXPECT(-2);
  CONVERT_CY(VarI4FromCy,-0.6); EXPECT(-1);
  CONVERT_CY(VarI4FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarI4FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarI4FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarI4FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarI4FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarI4FromCy,1.5);  EXPECT(2);
}

static void test_VarI4FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarI4FromDec);

  CONVERT_BADDEC(VarI4FromDec);

  CONVERT_DEC(VarI4FromDec,0,0x80,0,1); EXPECT(-1);
  CONVERT_DEC(VarI4FromDec,0,0,0,0);    EXPECT(0);
  CONVERT_DEC(VarI4FromDec,0,0,0,1);    EXPECT(1);

  CONVERT_DEC64(VarI4FromDec,0,0x80,0,0,2147483649ul);  EXPECT_OVERFLOW;
  CONVERT_DEC64(VarI4FromDec,0,0x80,0,0,2147483648ul);  EXPECT(-2147483647 - 1);
  CONVERT_DEC64(VarI4FromDec,0,0,0,0,2147483647ul);     EXPECT(2147483647ul);
  CONVERT_DEC64(VarI4FromDec,0,0,0,0,2147483648ul);     EXPECT_OVERFLOW;

  CONVERT_DEC64(VarI4FromDec,2,0x80,0,50,100);       EXPECT_OVERFLOW;
  CONVERT_DEC64(VarI4FromDec,2,0x80,0,50,0);         EXPECT(-2147483647 - 1);
  CONVERT_DEC64(VarI4FromDec,2,0,0,49,4294967196ul); EXPECT(2147483647);
  CONVERT_DEC64(VarI4FromDec,2,0,0,50,0);            EXPECT_OVERFLOW;
}

static void test_VarI4FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarI4FromStr);

  CONVERT_STR(VarI4FromStr,NULL,0);          EXPECT_MISMATCH;
  CONVERT_STR(VarI4FromStr,"0",0);           EXPECT(0);
  CONVERT_STR(VarI4FromStr,"-2147483649",0); EXPECT_OVERFLOW;
  CONVERT_STR(VarI4FromStr,"-2147483648",0); EXPECT(-2147483647 -1);
  CONVERT_STR(VarI4FromStr,"2147483647",0);  EXPECT(2147483647);
  CONVERT_STR(VarI4FromStr,"2147483648",0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_STR(VarI4FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECT(-2);
  CONVERT_STR(VarI4FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECT(-1);
  CONVERT_STR(VarI4FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI4FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarI4FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI4FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarI4FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarI4FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarI4Copy(void)
{
  COPYTEST(1, VT_I4, V_I4(&vSrc), V_I4(&vDst), V_I4REF(&vSrc), V_I4REF(&vDst), "%d");
}

static void test_VarI4ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  INITIAL_TYPETEST(VT_I4, V_I4, "%d");
  COMMON_TYPETEST;
  NEGATIVE_TYPETEST(VT_I4, V_I4, "%d", VT_UI4, V_UI4);
}

#undef CONV_TYPE
#define CONV_TYPE ULONG
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%u")

static void test_VarUI4FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarUI4FromI1);
  OVERFLOWRANGE(VarUI4FromI1, -127, 0);
  CONVERTRANGE(VarUI4FromI1, 0, 128);
}

static void test_VarUI4FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarUI4FromI2);
  OVERFLOWRANGE(VarUI4FromI2, -32768, 0);
  CONVERTRANGE(VarUI4FromI2, 0, 32768);
}

static void test_VarUI4FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarUI4FromUI2);
  CONVERTRANGE(VarUI4FromUI2, 0, 65536);
}

static void test_VarUI4FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarUI4FromI8);
  CONVERT(VarUI4FromI8, -1);           EXPECT_OVERFLOW;
  CONVERT(VarUI4FromI8, 0);            EXPECT(0);
  CONVERT(VarUI4FromI8, 1);            EXPECT(1);
  CONVERT(VarUI4FromI8, 4294967295ul); EXPECT(4294967295ul);
  CONVERT_I8(VarUI4FromI8, 1, 0);      EXPECT_OVERFLOW;
}

static void test_VarUI4FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarUI4FromUI1);
  CONVERTRANGE(VarUI4FromUI1, 0, 256);
}

static void test_VarUI4FromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarUI4FromI4);
  CONVERT(VarUI4FromI4, -1);         EXPECT_OVERFLOW;
  CONVERT(VarUI4FromI4, 0);          EXPECT(0);
  CONVERT(VarUI4FromI4, 1);          EXPECT(1);
  CONVERT(VarUI4FromI4, 2147483647); EXPECT(2147483647);
}

static void test_VarUI4FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarUI4FromUI8);
  CONVERT(VarUI4FromUI8, 0);           EXPECT(0);
  CONVERT(VarUI4FromUI8, 1);           EXPECT(1);
  CONVERT(VarUI4FromI8, 4294967295ul); EXPECT(4294967295ul);
  CONVERT_I8(VarUI4FromI8, 1, 0);      EXPECT_OVERFLOW;
}

static void test_VarUI4FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarUI4FromBool);
  CONVERTRANGE(VarUI4FromBool, -32768, 32768);
}

static void test_VarUI4FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarUI4FromR4);
  /* We can't test max values as they are not exactly representable in a float */
  CONVERT(VarUI4FromR4, -1.0f); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR4, 0.0f);  EXPECT(0);
  CONVERT(VarUI4FromR4, 1.0f);  EXPECT(1);

  CONVERT(VarUI4FromR4, -1.5f); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR4, -0.6f); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR4, -0.5f); EXPECT(0);
  CONVERT(VarUI4FromR4, -0.4f); EXPECT(0);
  CONVERT(VarUI4FromR4, 0.4f);  EXPECT(0);
  CONVERT(VarUI4FromR4, 0.5f);  EXPECT(0);
  CONVERT(VarUI4FromR4, 0.6f);  EXPECT(1);
  CONVERT(VarUI4FromR4, 1.5f);  EXPECT(2);

}

static void test_VarUI4FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarUI4FromR8);
  CONVERT(VarUI4FromR8, -1.0);         EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR8, 0.0);          EXPECT(0);
  CONVERT(VarUI4FromR8, 1.0);          EXPECT(1);
  CONVERT(VarUI4FromR8, 4294967295.0); EXPECT(4294967295ul);
  CONVERT(VarUI4FromR8, 4294967296.0); EXPECT_OVERFLOW;

  CONVERT(VarUI4FromR8, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR8, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromR8, -0.5); EXPECT(0);
  CONVERT(VarUI4FromR8, -0.4); EXPECT(0);
  CONVERT(VarUI4FromR8, 0.4);  EXPECT(0);
  CONVERT(VarUI4FromR8, 0.5);  EXPECT(0);
  CONVERT(VarUI4FromR8, 0.6);  EXPECT(1);
  CONVERT(VarUI4FromR8, 1.5);  EXPECT(2);
}

static void test_VarUI4FromDate(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarUI4FromDate);
  CONVERT(VarUI4FromDate, -1.0);         EXPECT_OVERFLOW;
  CONVERT(VarUI4FromDate, 0.0);          EXPECT(0);
  CONVERT(VarUI4FromDate, 1.0);          EXPECT(1);
  CONVERT(VarUI4FromDate, 4294967295.0); EXPECT(4294967295ul);
  CONVERT(VarUI4FromDate, 4294967296.0); EXPECT_OVERFLOW;

  CONVERT(VarUI4FromDate, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromDate, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI4FromDate, -0.5); EXPECT(0);
  CONVERT(VarUI4FromDate, -0.4); EXPECT(0);
  CONVERT(VarUI4FromDate, 0.4);  EXPECT(0);
  CONVERT(VarUI4FromDate, 0.5);  EXPECT(0);
  CONVERT(VarUI4FromDate, 0.6);  EXPECT(1);
  CONVERT(VarUI4FromDate, 1.5);  EXPECT(2);
}

static void test_VarUI4FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarUI4FromCy);
  CONVERT_CY(VarUI4FromCy,-1);               EXPECT_OVERFLOW;
  CONVERT_CY(VarUI4FromCy,0);                EXPECT(0);
  CONVERT_CY(VarUI4FromCy,1);                EXPECT(1);
  CONVERT_CY64(VarUI4FromCy,0,4294967295ul); EXPECT(4294967295ul);
  CONVERT_CY64(VarUI4FromCy,1,0);            EXPECT_OVERFLOW;

  CONVERT_CY(VarUI4FromCy,-1.5); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI4FromCy,-0.6); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI4FromCy,-0.5); EXPECT(0);
  CONVERT_CY(VarUI4FromCy,-0.4); EXPECT(0);
  CONVERT_CY(VarUI4FromCy,0.4);  EXPECT(0);
  CONVERT_CY(VarUI4FromCy,0.5);  EXPECT(0);
  CONVERT_CY(VarUI4FromCy,0.6);  EXPECT(1);
  CONVERT_CY(VarUI4FromCy,1.5);  EXPECT(2);
}

static void test_VarUI4FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarUI4FromDec);

  CONVERT_BADDEC(VarUI4FromDec);

  CONVERT_DEC(VarUI4FromDec,0,0x80,0,1);              EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI4FromDec,0,0,0,0);                 EXPECT(0);
  CONVERT_DEC(VarUI4FromDec,0,0,0,1);                 EXPECT(1);
  CONVERT_DEC64(VarUI4FromDec,0,0,0,0,4294967295ul);  EXPECT(4294967295ul);
  CONVERT_DEC64(VarUI4FromDec,0,0,0,1,0);             EXPECT_OVERFLOW;

  CONVERT_DEC64(VarUI4FromDec,2,0,0,99,4294967196ul); EXPECT(4294967295ul);
  CONVERT_DEC64(VarUI4FromDec,2,0,0,100,0);           EXPECT_OVERFLOW;
}

static void test_VarUI4FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarUI4FromStr);

  CONVERT_STR(VarUI4FromStr,NULL,0);         EXPECT_MISMATCH;
  CONVERT_STR(VarUI4FromStr,"-1",0);         EXPECT_OVERFLOW;
  CONVERT_STR(VarUI4FromStr,"0",0);          EXPECT(0);
  CONVERT_STR(VarUI4FromStr,"4294967295",0); EXPECT(4294967295ul);
  CONVERT_STR(VarUI4FromStr,"4294967296",0); EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT_STR(VarUI4FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI4FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI4FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI4FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECT(0);
  CONVERT_STR(VarUI4FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI4FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECT(0);
  CONVERT_STR(VarUI4FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECT(1);
  CONVERT_STR(VarUI4FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECT(2);
}

static void test_VarUI4Copy(void)
{
  if (!IS_ANCIENT)
  {
      COPYTEST(1u, VT_UI4, V_UI4(&vSrc), V_UI4(&vDst), V_UI4REF(&vSrc), V_UI4REF(&vDst), "%u");
  }
}

static void test_VarUI4ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1;

  if (!IS_ANCIENT)
  {
    INITIAL_TYPETEST(VT_UI4, V_UI4, "%u");
    COMMON_TYPETEST;
    NEGATIVE_TYPETEST(VT_UI4, V_UI4, "%u", VT_I4, V_I4);
  }
}

/*
 * VT_I8/VT_UI8
 */

#undef CONV_TYPE
#define CONV_TYPE LONG64
#undef EXPECTRES
#define EXPECTRES(res, x) \
  ok(hres == S_OK || ((HRESULT)res != S_OK && hres == (HRESULT)res), \
     "expected hres " #x ", got hres=0x%08x\n", hres)

#define EXPECTI8(x) \
  ok((hres == S_OK && out == (CONV_TYPE)(x)), \
     "expected " #x "(%u,%u), got (%u,%u); hres=0x%08x\n", \
      (ULONG)((LONG64)(x) >> 32), (ULONG)((x) & 0xffffffff), \
      (ULONG)(out >> 32), (ULONG)(out & 0xffffffff), hres)

#define EXPECTI864(x,y) \
  ok(hres == S_OK && (out >> 32) == (CONV_TYPE)(x) && (out & 0xffffffff) == (CONV_TYPE)(y), \
     "expected " #x "(%u,%u), got (%u,%u); hres=0x%08x\n", \
      (ULONG)(x), (ULONG)(y), \
      (ULONG)(out >> 32), (ULONG)(out & 0xffffffff), hres)

static void test_VarI8FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarI8FromI1);
  for (i = -128; i < 128; i++)
  {
    CONVERT(VarI8FromI1,i); EXPECTI8(i);
  }
}

static void test_VarI8FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarI8FromUI1);
  for (i = 0; i < 256; i++)
  {
    CONVERT(VarI8FromUI1,i); EXPECTI8(i);
  }
}

static void test_VarI8FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarI8FromI2);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarI8FromI2,i); EXPECTI8(i);
  }
}

static void test_VarI8FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarI8FromUI2);
  for (i = -0; i < 65535; i++)
  {
    CONVERT(VarI8FromUI2,i); EXPECTI8(i);
  }
}

static void test_VarI8FromUI4(void)
{
  CONVVARS(ULONG);

  CHECKPTR(VarI8FromUI4);
  CONVERT(VarI8FromUI4, 0);            EXPECTI8(0);
  CONVERT(VarI8FromUI4, 1);            EXPECTI8(1);
  CONVERT(VarI8FromUI4, 4294967295ul); EXPECTI8(4294967295ul);
}

static void test_VarI8FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarI8FromR4);

  CONVERT(VarI8FromR4, -128.0f); EXPECTI8(-128);
  CONVERT(VarI8FromR4, -1.0f);   EXPECTI8(-1);
  CONVERT(VarI8FromR4, 0.0f);    EXPECTI8(0);
  CONVERT(VarI8FromR4, 1.0f);    EXPECTI8(1);
  CONVERT(VarI8FromR4, 127.0f);  EXPECTI8(127);

  CONVERT(VarI8FromR4, -1.5f); EXPECTI8(-2);
  CONVERT(VarI8FromR4, -0.6f); EXPECTI8(-1);
  CONVERT(VarI8FromR4, -0.5f); EXPECTI8(0);
  CONVERT(VarI8FromR4, -0.4f); EXPECTI8(0);
  CONVERT(VarI8FromR4, 0.4f);  EXPECTI8(0);
  CONVERT(VarI8FromR4, 0.5f);  EXPECTI8(0);
  CONVERT(VarI8FromR4, 0.6f);  EXPECTI8(1);
  CONVERT(VarI8FromR4, 1.5f);  EXPECTI8(2);
}

static void test_VarI8FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarI8FromR8);
  CONVERT(VarI8FromR8, -128.0); EXPECTI8(-128);
  CONVERT(VarI8FromR8, -1.0);   EXPECTI8(-1);
  CONVERT(VarI8FromR8, 0.0);    EXPECTI8(0);
  CONVERT(VarI8FromR8, 1.0);    EXPECTI8(1);
  CONVERT(VarI8FromR8, 127.0);  EXPECTI8(127);

  CONVERT(VarI8FromR8, -1.5); EXPECTI8(-2);
  CONVERT(VarI8FromR8, -0.6); EXPECTI8(-1);
  CONVERT(VarI8FromR8, -0.5); EXPECTI8(0);
  CONVERT(VarI8FromR8, -0.4); EXPECTI8(0);
  CONVERT(VarI8FromR8, 0.4);  EXPECTI8(0);
  CONVERT(VarI8FromR8, 0.5);  EXPECTI8(0);
  CONVERT(VarI8FromR8, 0.6);  EXPECTI8(1);
  CONVERT(VarI8FromR8, 1.5);  EXPECTI8(2);
}

static void test_VarI8FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarI8FromDate);
  CONVERT(VarI8FromDate, -128.0); EXPECTI8(-128);
  CONVERT(VarI8FromDate, -1.0);   EXPECTI8(-1);
  CONVERT(VarI8FromDate, 0.0);    EXPECTI8(0);
  CONVERT(VarI8FromDate, 1.0);    EXPECTI8(1);
  CONVERT(VarI8FromDate, 127.0);  EXPECTI8(127);

  CONVERT(VarI8FromDate, -1.5); EXPECTI8(-2);
  CONVERT(VarI8FromDate, -0.6); EXPECTI8(-1);
  CONVERT(VarI8FromDate, -0.5); EXPECTI8(0);
  CONVERT(VarI8FromDate, -0.4); EXPECTI8(0);
  CONVERT(VarI8FromDate, 0.4);  EXPECTI8(0);
  CONVERT(VarI8FromDate, 0.5);  EXPECTI8(0);
  CONVERT(VarI8FromDate, 0.6);  EXPECTI8(1);
  CONVERT(VarI8FromDate, 1.5);  EXPECTI8(2);
}

static void test_VarI8FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarI8FromBool);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarI8FromBool,i); EXPECTI8(i);
  }
}

static void test_VarI8FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarI8FromUI8);
  CONVERT(VarI8FromUI8, 0); EXPECTI8(0);
  CONVERT(VarI8FromUI8, 1); EXPECTI8(1);
  CONVERT_I8(VarI8FromUI8, 0x7fffffff, 0xffffffff); EXPECTI864(0x7fffffff, 0xffffffff);
  CONVERT_I8(VarI8FromUI8, 0x80000000, 0);          EXPECT_OVERFLOW;
}

static void test_VarI8FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarI8FromCy);
  CONVERT_CY(VarI8FromCy,-128); EXPECTI8(-129);
  CONVERT_CY(VarI8FromCy,-1);   EXPECTI8(-2);
  CONVERT_CY(VarI8FromCy,0);    EXPECTI8(0);
  CONVERT_CY(VarI8FromCy,1);    EXPECTI8(1);
  CONVERT_CY(VarI8FromCy,127);  EXPECTI8(127);

  CONVERT_CY(VarI8FromCy,-1.5); EXPECTI8(-2);
  CONVERT_CY(VarI8FromCy,-0.6); EXPECTI8(-1);
  CONVERT_CY(VarI8FromCy,-0.5); EXPECTI8(-1);
  CONVERT_CY(VarI8FromCy,-0.4); EXPECTI8(-1);
  CONVERT_CY(VarI8FromCy,0.4);  EXPECTI8(0);
  CONVERT_CY(VarI8FromCy,0.5);  EXPECTI8(0);
  CONVERT_CY(VarI8FromCy,0.6);  EXPECTI8(1);
  CONVERT_CY(VarI8FromCy,1.5);  EXPECTI8(2);
}

static void test_VarI8FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarI8FromDec);

  CONVERT_BADDEC(VarI8FromDec);

  CONVERT_DEC(VarI8FromDec,0,0x80,0,128); EXPECTI8(-128);
  CONVERT_DEC(VarI8FromDec,0,0x80,0,1);   EXPECTI8(-1);
  CONVERT_DEC(VarI8FromDec,0,0,0,0);      EXPECTI8(0);
  CONVERT_DEC(VarI8FromDec,0,0,0,1);      EXPECTI8(1);
  CONVERT_DEC(VarI8FromDec,0,0,0,127);    EXPECTI8(127);

  CONVERT_DEC(VarI8FromDec,2,0x80,0,12700); EXPECTI8(-127);
  CONVERT_DEC(VarI8FromDec,2,0,0,12700);    EXPECTI8(127);
}

static void test_VarI8FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarI8FromStr);

  CONVERT_STR(VarI8FromStr,NULL,0);         EXPECT_MISMATCH;
  CONVERT_STR(VarI8FromStr,"0",0);          EXPECTI8(0);
  CONVERT_STR(VarI8FromStr,"-1",0);         EXPECTI8(-1);
  CONVERT_STR(VarI8FromStr,"2147483647",0); EXPECTI8(2147483647);

  CONVERT_STR(VarI8FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECTI8(-2);
  CONVERT_STR(VarI8FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECTI8(-1);
  CONVERT_STR(VarI8FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECTI8(0);
  CONVERT_STR(VarI8FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECTI8(0);
  CONVERT_STR(VarI8FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECTI8(0);
  CONVERT_STR(VarI8FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECTI8(0);
  CONVERT_STR(VarI8FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECTI8(1);
  CONVERT_STR(VarI8FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECTI8(2);
}

static void test_VarI8Copy(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  LONGLONG in = 1;

  if (!HAVE_OLEAUT32_I8)
  {
    win_skip("I8 and UI8 data types are not available\n");
    return;
  }

  VariantInit(&vSrc);
  VariantInit(&vDst);
  V_VT(&vSrc) = VT_I8;
  V_I8(&vSrc) = in;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == VT_I8 && V_I8(&vDst) == in,
     "copy hres 0x%X, type %d, value (%x%08x) %x%08x\n",
     hres, V_VT(&vDst), (UINT)(in >> 32), (UINT)in, (UINT)(V_I8(&vDst) >> 32), (UINT)V_I8(&vDst) );
  V_VT(&vSrc) = VT_I8|VT_BYREF;
  V_I8REF(&vSrc) = &in;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == (VT_I8|VT_BYREF) && V_I8REF(&vDst) == &in,
     "ref hres 0x%X, type %d, ref (%p) %p\n", hres, V_VT(&vDst), &in, V_I8REF(&vDst));
  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == VT_I8 && V_I8(&vDst) == in,
     "copy hres 0x%X, type %d, value (%x%08x) %x%08x\n",
     hres, V_VT(&vDst), (UINT)(in >> 32), (UINT)in, (UINT)(V_I8(&vDst) >> 32), (UINT)V_I8(&vDst) );
}

static void test_VarI8ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  if (!HAVE_OLEAUT32_I8)
  {
    win_skip("I8 and UI8 data types are not available\n");
    return;
  }

  in = 1;

  INITIAL_TYPETESTI8(VT_I8, V_I8);
  COMMON_TYPETEST;
}

/* Adapt the test macros to UI8 */
#undef CONV_TYPE
#define CONV_TYPE ULONG64

static void test_VarUI8FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarUI8FromI1);
  for (i = -128; i < 128; i++)
  {
    CONVERT(VarUI8FromI1,i);
    if (i < 0)
      EXPECT_OVERFLOW;
    else
      EXPECTI8(i);
  }
}

static void test_VarUI8FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarUI8FromUI1);
  for (i = 0; i < 256; i++)
  {
    CONVERT(VarUI8FromUI1,i); EXPECTI8(i);
  }
}

static void test_VarUI8FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarUI8FromI2);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarUI8FromI2,i);
    if (i < 0)
      EXPECT_OVERFLOW;
    else
      EXPECTI8(i);
  }
}

static void test_VarUI8FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarUI8FromUI2);
  for (i = 0; i < 65535; i++)
  {
    CONVERT(VarUI8FromUI2,i); EXPECTI8(i);
  }
}

static void test_VarUI8FromUI4(void)
{
  CONVVARS(ULONG);

  CHECKPTR(VarUI8FromUI4);
  CONVERT(VarUI8FromUI4, 0); EXPECTI8(0);
  CONVERT(VarUI8FromUI4, 0xffffffff); EXPECTI8(0xffffffff);
}

static void test_VarUI8FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarUI8FromR4);
  CONVERT(VarUI8FromR4, -1.0f);  EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR4, 0.0f);   EXPECTI8(0);
  CONVERT(VarUI8FromR4, 1.0f);   EXPECTI8(1);
  CONVERT(VarUI8FromR4, 255.0f); EXPECTI8(255);

  CONVERT(VarUI8FromR4, -1.5f); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR4, -0.6f); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR4, -0.5f); EXPECTI8(0);
  CONVERT(VarUI8FromR4, -0.4f); EXPECTI8(0);
  CONVERT(VarUI8FromR4, 0.4f);  EXPECTI8(0);
  CONVERT(VarUI8FromR4, 0.5f);  EXPECTI8(0);
  CONVERT(VarUI8FromR4, 0.6f);  EXPECTI8(1);
  CONVERT(VarUI8FromR4, 1.5f);  EXPECTI8(2);
}

static void test_VarUI8FromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarUI8FromR8);
  CONVERT(VarUI8FromR8, -1.0);  EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR8, 0.0);   EXPECTI8(0);
  CONVERT(VarUI8FromR8, 1.0);   EXPECTI8(1);
  CONVERT(VarUI8FromR8, 255.0); EXPECTI8(255);

  CONVERT(VarUI8FromR8, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR8, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromR8, -0.5); EXPECTI8(0);
  CONVERT(VarUI8FromR8, -0.4); EXPECTI8(0);
  CONVERT(VarUI8FromR8, 0.4);  EXPECTI8(0);
  CONVERT(VarUI8FromR8, 0.5);  EXPECTI8(0);
  CONVERT(VarUI8FromR8, 0.6);  EXPECTI8(1);
  CONVERT(VarUI8FromR8, 1.5);  EXPECTI8(2);
}

static void test_VarUI8FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarUI8FromDate);
  CONVERT(VarUI8FromDate, -1.0);  EXPECT_OVERFLOW;
  CONVERT(VarUI8FromDate, 0.0);   EXPECTI8(0);
  CONVERT(VarUI8FromDate, 1.0);   EXPECTI8(1);
  CONVERT(VarUI8FromDate, 255.0); EXPECTI8(255);

  CONVERT(VarUI8FromDate, -1.5); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromDate, -0.6); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromDate, -0.5); EXPECTI8(0);
  CONVERT(VarUI8FromDate, -0.4); EXPECTI8(0);
  CONVERT(VarUI8FromDate, 0.4);  EXPECTI8(0);
  CONVERT(VarUI8FromDate, 0.5);  EXPECTI8(0);
  CONVERT(VarUI8FromDate, 0.6);  EXPECTI8(1);
  CONVERT(VarUI8FromDate, 1.5);  EXPECTI8(2);
}

static void test_VarUI8FromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarUI8FromBool);
  CONVERTRANGE(VarUI8FromBool, -32768, 32768);
}

static void test_VarUI8FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarUI8FromI8);
  CONVERT(VarUI8FromI8, -1); EXPECT_OVERFLOW;
  CONVERT(VarUI8FromI8, 0);  EXPECTI8(0);
  CONVERT(VarUI8FromI8, 1);  EXPECTI8(1);
}

static void test_VarUI8FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarUI8FromCy);
  CONVERT_CY(VarUI8FromCy,-1);  EXPECT_OVERFLOW;
  CONVERT_CY(VarUI8FromCy,0);   EXPECTI8(0);
  CONVERT_CY(VarUI8FromCy,1);   EXPECTI8(1);
  CONVERT_CY(VarUI8FromCy,255); EXPECTI8(255);

  CONVERT_CY(VarUI8FromCy,-1.5); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI8FromCy,-0.6); EXPECT_OVERFLOW;
  CONVERT_CY(VarUI8FromCy,-0.5); EXPECTI8(0);
  CONVERT_CY(VarUI8FromCy,-0.4); EXPECTI8(0);
  CONVERT_CY(VarUI8FromCy,0.4);  EXPECTI8(0);
  CONVERT_CY(VarUI8FromCy,0.5);  EXPECTI8(0);
  CONVERT_CY(VarUI8FromCy,0.6);  EXPECTI8(1);
  CONVERT_CY(VarUI8FromCy,1.5);  EXPECTI8(2);
}

static void test_VarUI8FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarUI8FromDec);

  CONVERT_BADDEC(VarUI8FromDec);

  /* This returns 1 under native; Wine fixes this bug and returns overflow */
  if (0)
  {
      CONVERT_DEC(VarUI8FromDec,0,0x80,0,1);
  }

  CONVERT_DEC(VarUI8FromDec,0,0,0,0);   EXPECTI8(0);
  CONVERT_DEC(VarUI8FromDec,0,0,0,1);   EXPECTI8(1);
  CONVERT_DEC(VarUI8FromDec,0,0,0,255); EXPECTI8(255);

  CONVERT_DEC(VarUI8FromDec,2,0x80,0,100); EXPECT_OVERFLOW;
  CONVERT_DEC(VarUI8FromDec,2,0,0,25500);  EXPECTI8(255);
}

static void test_VarUI8FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarUI8FromStr);

  CONVERT_STR(VarUI8FromStr,NULL,0);         EXPECT_MISMATCH;
  CONVERT_STR(VarUI8FromStr,"0",0);          EXPECTI8(0);
  CONVERT_STR(VarUI8FromStr,"-1",0);         EXPECT_OVERFLOW;
  CONVERT_STR(VarUI8FromStr,"2147483647",0); EXPECTI8(2147483647);

  CONVERT_STR(VarUI8FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI8FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECT_OVERFLOW;
  CONVERT_STR(VarUI8FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECTI8(0);
  CONVERT_STR(VarUI8FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECTI8(0);
  CONVERT_STR(VarUI8FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECTI8(0);
  CONVERT_STR(VarUI8FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECTI8(0);
  CONVERT_STR(VarUI8FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECTI8(1);
  CONVERT_STR(VarUI8FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECTI8(2);
}

static void test_VarUI8Copy(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  ULONGLONG in = 1;

  if (!HAVE_OLEAUT32_I8)
  {
    win_skip("I8 and UI8 data types are not available\n");
    return;
  }

  VariantInit(&vSrc);
  VariantInit(&vDst);
  V_VT(&vSrc) = VT_UI8;
  V_UI8(&vSrc) = in;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == VT_UI8 && V_UI8(&vDst) == in,
     "copy hres 0x%X, type %d, value (%x%08x) %x%08x\n",
     hres, V_VT(&vDst), (UINT)(in >> 32), (UINT)in, (UINT)(V_UI8(&vDst) >> 32), (UINT)V_UI8(&vDst) );
  V_VT(&vSrc) = VT_UI8|VT_BYREF;
  V_UI8REF(&vSrc) = &in;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == (VT_UI8|VT_BYREF) && V_UI8REF(&vDst) == &in,
     "ref hres 0x%X, type %d, ref (%p) %p\n", hres, V_VT(&vDst), &in, V_UI8REF(&vDst));
  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK && V_VT(&vDst) == VT_UI8 && V_UI8(&vDst) == in,
     "copy hres 0x%X, type %d, value (%x%08x) %x%08x\n",
     hres, V_VT(&vDst), (UINT)(in >> 32), (UINT)in, (UINT)(V_UI8(&vDst) >> 32), (UINT)V_UI8(&vDst) );
}

static void test_VarUI8ChangeTypeEx(void)
{
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  if (!HAVE_OLEAUT32_I8)
  {
    win_skip("I8 and UI8 data types are not available\n");
    return;
  }

  in = 1;

  INITIAL_TYPETESTI8(VT_UI8, V_UI8);
  COMMON_TYPETEST;
}

/*
 * VT_R4
 */

#undef CONV_TYPE
#define CONV_TYPE float
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%15.15f")

static void test_VarR4FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarR4FromI1);
  CONVERTRANGE(VarR4FromI1, -128, 128);
}

static void test_VarR4FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarR4FromUI1);
  CONVERTRANGE(VarR4FromUI1, 0, 256);
}

static void test_VarR4FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarR4FromI2);
  CONVERTRANGE(VarR4FromI2, -32768, 32768);
}

static void test_VarR4FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarR4FromUI2);
  CONVERTRANGE(VarR4FromUI2, 0, 65536);
}

static void test_VarR4FromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarR4FromI4);
  CONVERT(VarR4FromI4, -2147483647-1); EXPECT(-2147483648.0f);
  CONVERT(VarR4FromI4, -1);            EXPECT(-1.0f);
  CONVERT(VarR4FromI4, 0);             EXPECT(0.0f);
  CONVERT(VarR4FromI4, 1);             EXPECT(1.0f);
  CONVERT(VarR4FromI4, 2147483647);    EXPECT(2147483647.0f);
}

static void test_VarR4FromUI4(void)
{
  CONVVARS(unsigned int);

  CHECKPTR(VarR4FromUI4);
  CONVERT(VarR4FromUI4, 0);          EXPECT(0.0f);
  CONVERT(VarR4FromUI4, 1);          EXPECT(1.0f);
#if defined(__i386__) && (defined(_MSC_VER) || defined(__GNUC__))
  CONVERT(VarR4FromUI4, 0xffffffff); EXPECT(4294967296.0f);
#endif
}

static void test_VarR4FromR8(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarR4FromR8);
  CONVERT(VarR4FromR8, -1.0); EXPECT(-1.0f);
  CONVERT(VarR4FromR8, 0.0); EXPECT(0.0f);
  CONVERT(VarR4FromR8, 1.0); EXPECT(1.0f);
  CONVERT(VarR4FromR8, 1.5); EXPECT(1.5f);

  /* Skip rounding tests - no rounding is done */
}

static void test_VarR4FromBool(void)
{
  CONVVARS(VARIANT_BOOL);

  CHECKPTR(VarR4FromBool);
  CONVERT(VarR4FromBool, VARIANT_TRUE);  EXPECT(VARIANT_TRUE * 1.0f);
  CONVERT(VarR4FromBool, VARIANT_FALSE); EXPECT(VARIANT_FALSE * 1.0f);
}

static void test_VarR4FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarR4FromCy);
  CONVERT_CY(VarR4FromCy,-32768); EXPECT(-32768.0f);
  CONVERT_CY(VarR4FromCy,-1);     EXPECT(-1.0f);
  CONVERT_CY(VarR4FromCy,0);      EXPECT(0.0f);
  CONVERT_CY(VarR4FromCy,1);      EXPECT(1.0f);
  CONVERT_CY(VarR4FromCy,32768);  EXPECT(32768.0f);

  CONVERT_CY(VarR4FromCy,-1.5); EXPECT(-1.5f);
  CONVERT_CY(VarR4FromCy,-0.6); EXPECT(-0.6f);
  CONVERT_CY(VarR4FromCy,-0.5); EXPECT(-0.5f);
  CONVERT_CY(VarR4FromCy,-0.4); EXPECT(-0.4f);
  CONVERT_CY(VarR4FromCy,0.4);  EXPECT(0.4f);
  CONVERT_CY(VarR4FromCy,0.5);  EXPECT(0.5f);
  CONVERT_CY(VarR4FromCy,0.6);  EXPECT(0.6f);
  CONVERT_CY(VarR4FromCy,1.5);  EXPECT(1.5f);
}

static void test_VarR4FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarR4FromI8);
  CONVERT(VarR4FromI8, -1); EXPECT(-1.0f);
  CONVERT(VarR4FromI8, 0);  EXPECT(0.0f);
  CONVERT(VarR4FromI8, 1);  EXPECT(1.0f);
}

static void test_VarR4FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarR4FromUI8);
  CONVERT(VarR4FromUI8, 0); EXPECT(0.0f);
  CONVERT(VarR4FromUI8, 1); EXPECT(1.0f);
}

static void test_VarR4FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarR4FromDec);

  CONVERT_BADDEC(VarR4FromDec);

  CONVERT_DEC(VarR4FromDec,0,0x80,0,32768); EXPECT(-32768.0f);
  CONVERT_DEC(VarR4FromDec,0,0x80,0,1);     EXPECT(-1.0f);
  CONVERT_DEC(VarR4FromDec,0,0,0,0);        EXPECT(0.0f);
  CONVERT_DEC(VarR4FromDec,0,0,0,1);        EXPECT(1.0f);
  CONVERT_DEC(VarR4FromDec,0,0,0,32767);    EXPECT(32767.0f);

  CONVERT_DEC(VarR4FromDec,2,0x80,0,3276800); EXPECT(-32768.0f);
  CONVERT_DEC(VarR4FromDec,2,0,0,3276700);    EXPECT(32767.0f);
  
  CONVERT_DEC(VarR4FromDec,0,0,1,0);        EXPECT(18446744073709551616.0f);
}

static void test_VarR4FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarR4FromDate);
  CONVERT(VarR4FromDate, -1.0); EXPECT(-1.0f);
  CONVERT(VarR4FromDate, 0.0);  EXPECT(0.0f);
  CONVERT(VarR4FromDate, 1.0);  EXPECT(1.0f);
}

static void test_VarR4FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarR4FromStr);

  CONVERT_STR(VarR4FromStr,NULL,0);    EXPECT_MISMATCH;
  CONVERT_STR(VarR4FromStr,"-1", 0);   EXPECT(-1.0f);
  CONVERT_STR(VarR4FromStr,"0", 0);    EXPECT(0.0f);
  CONVERT_STR(VarR4FromStr,"1", 0);    EXPECT(1.0f);

  CONVERT_STR(VarR4FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECT(-1.5f);
  CONVERT_STR(VarR4FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECT(-0.6f);
  CONVERT_STR(VarR4FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECT(-0.5f);
  CONVERT_STR(VarR4FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECT(-0.4f);
  CONVERT_STR(VarR4FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECT(0.4f);
  CONVERT_STR(VarR4FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECT(0.5f);
  CONVERT_STR(VarR4FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECT(0.6f);
  CONVERT_STR(VarR4FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECT(1.5f);
}

static void test_VarR4Copy(void)
{
  COPYTEST(77665544.0f, VT_R4, V_R4(&vSrc), V_R4(&vDst), V_R4REF(&vSrc),V_R4REF(&vDst), "%15.15f");
}

static void test_VarR4ChangeTypeEx(void)
{
#ifdef HAS_UINT64_TO_FLOAT
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1.0f;

  INITIAL_TYPETEST(VT_R4, V_R4, "%f");
  COMMON_TYPETEST;
#endif
}

/*
 * VT_R8
 */

#undef CONV_TYPE
#define CONV_TYPE double
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%15.15f")

static void test_VarR8FromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarR8FromI1);
  CONVERTRANGE(VarR8FromI1, -128, 128);
}

static void test_VarR8FromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarR8FromUI1);
  CONVERTRANGE(VarR8FromUI1, 0, 256);
}

static void test_VarR8FromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarR8FromI2);
  CONVERTRANGE(VarR8FromI2, -32768, 32768);
}

static void test_VarR8FromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarR8FromUI2);
  CONVERTRANGE(VarR8FromUI2, 0, 65536);
}

static void test_VarR8FromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarR8FromI4);
  CONVERT(VarR8FromI4, -2147483647-1); EXPECT(-2147483648.0);
  CONVERT(VarR8FromI4, -1);            EXPECT(-1.0);
  CONVERT(VarR8FromI4, 0);             EXPECT(0.0);
  CONVERT(VarR8FromI4, 1);             EXPECT(1.0);
  CONVERT(VarR8FromI4, 0x7fffffff);    EXPECT(2147483647.0);
}

static void test_VarR8FromUI4(void)
{
  CONVVARS(unsigned int);

  CHECKPTR(VarR8FromUI4);
  CONVERT(VarR8FromUI4, 0);          EXPECT(0.0);
  CONVERT(VarR8FromUI4, 1);          EXPECT(1.0);
  CONVERT(VarR8FromUI4, 0xffffffff); EXPECT(4294967295.0);
}

static void test_VarR8FromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarR8FromR4);
  CONVERT(VarR8FromR4, -1.0f); EXPECT(-1.0);
  CONVERT(VarR8FromR4, 0.0f);  EXPECT(0.0);
  CONVERT(VarR8FromR4, 1.0f);  EXPECT(1.0);
  CONVERT(VarR8FromR4, 1.5f);  EXPECT(1.5);

  /* Skip rounding tests - no rounding is done */
}

static void test_VarR8FromBool(void)
{
  CONVVARS(VARIANT_BOOL);

  CHECKPTR(VarR8FromBool);
  CONVERT(VarR8FromBool, VARIANT_TRUE);  EXPECT(VARIANT_TRUE * 1.0);
  CONVERT(VarR8FromBool, VARIANT_FALSE); EXPECT(VARIANT_FALSE * 1.0);
}

static void test_VarR8FromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarR8FromCy);
  CONVERT_CY(VarR8FromCy,-32769); EXPECT(-32769.0);
  CONVERT_CY(VarR8FromCy,-32768); EXPECT(-32768.0);
  CONVERT_CY(VarR8FromCy,-1);     EXPECT(-1.0);
  CONVERT_CY(VarR8FromCy,0);      EXPECT(0.0);
  CONVERT_CY(VarR8FromCy,1);      EXPECT(1.0);
  CONVERT_CY(VarR8FromCy,32767);  EXPECT(32767.0);
  CONVERT_CY(VarR8FromCy,32768);  EXPECT(32768.0);

  CONVERT_CY(VarR8FromCy,-1.5); EXPECT(-1.5);
  CONVERT_CY(VarR8FromCy,-0.6); EXPECT(-0.6);
  CONVERT_CY(VarR8FromCy,-0.5); EXPECT(-0.5);
  CONVERT_CY(VarR8FromCy,-0.4); EXPECT(-0.4);
  CONVERT_CY(VarR8FromCy,0.4);  EXPECT(0.4);
  CONVERT_CY(VarR8FromCy,0.5);  EXPECT(0.5);
  CONVERT_CY(VarR8FromCy,0.6);  EXPECT(0.6);
  CONVERT_CY(VarR8FromCy,1.5);  EXPECT(1.5);
}

static void test_VarR8FromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarR8FromI8);
  CONVERT(VarR8FromI8, -1); EXPECT(-1.0);
  CONVERT(VarR8FromI8, 0);  EXPECT(0.0);
  CONVERT(VarR8FromI8, 1);  EXPECT(1.0);
#if defined(__i386__) && (defined(_MSC_VER) || defined(__GNUC__))
  CONVERT_I8(VarR8FromI8, 0x7fffffff,0xffffffff); EXPECT(9223372036854775808.0);
#endif
}

static void test_VarR8FromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarR8FromUI8);
  CONVERT(VarR8FromUI8, 0); EXPECT(0.0);
  CONVERT(VarR8FromUI8, 1); EXPECT(1.0);
#if defined(__i386__) && (defined(_MSC_VER) || defined(__GNUC__))
  CONVERT_I8(VarR8FromUI8, 0x80000000,0); EXPECT(9223372036854775808.0);
#endif
}

static void test_VarR8FromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarR8FromDec);

  CONVERT_BADDEC(VarR8FromDec);

  CONVERT_DEC(VarR8FromDec,0,0x80,0,32768); EXPECT(-32768.0);
  CONVERT_DEC(VarR8FromDec,0,0x80,0,1);     EXPECT(-1.0);
  CONVERT_DEC(VarR8FromDec,0,0,0,0);        EXPECT(0.0);
  CONVERT_DEC(VarR8FromDec,0,0,0,1);        EXPECT(1.0);
  CONVERT_DEC(VarR8FromDec,0,0,0,32767);    EXPECT(32767.0);

  CONVERT_DEC(VarR8FromDec,2,0x80,0,3276800); EXPECT(-32768.0);
  CONVERT_DEC(VarR8FromDec,2,0,0,3276700);    EXPECT(32767.0);

  CONVERT_DEC(VarR8FromDec,0,0,1,0);        EXPECT(18446744073709551616.0);
}

static void test_VarR8FromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarR8FromDate);
  CONVERT(VarR8FromDate, -1.0); EXPECT(-1.0);
  CONVERT(VarR8FromDate, -0.0); EXPECT(0.0);
  CONVERT(VarR8FromDate, 1.0);  EXPECT(1.0);
}

static void test_VarR8FromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  in = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarR8FromStr);

  CONVERT_STR(VarR8FromStr,NULL,0);   EXPECT_MISMATCH;
  CONVERT_STR(VarR8FromStr,"",0);     EXPECT_MISMATCH;
  CONVERT_STR(VarR8FromStr," ",0);    EXPECT_MISMATCH;

  CONVERT_STR(VarR8FromStr,"0",LOCALE_NOUSEROVERRIDE);    EXPECT(0.0);
  CONVERT_STR(VarR8FromStr,"-1.5",LOCALE_NOUSEROVERRIDE); EXPECT(-1.5);
  CONVERT_STR(VarR8FromStr,"-0.6",LOCALE_NOUSEROVERRIDE); EXPECT(-0.6);
  CONVERT_STR(VarR8FromStr,"-0.5",LOCALE_NOUSEROVERRIDE); EXPECT(-0.5);
  CONVERT_STR(VarR8FromStr,"-0.4",LOCALE_NOUSEROVERRIDE); EXPECT(-0.4);
  CONVERT_STR(VarR8FromStr,"0.4",LOCALE_NOUSEROVERRIDE);  EXPECT(0.4);
  CONVERT_STR(VarR8FromStr,"0.5",LOCALE_NOUSEROVERRIDE);  EXPECT(0.5);
  CONVERT_STR(VarR8FromStr,"0.6",LOCALE_NOUSEROVERRIDE);  EXPECT(0.6);
  CONVERT_STR(VarR8FromStr,"1.5",LOCALE_NOUSEROVERRIDE);  EXPECT(1.5);

  /* We already have exhaustive tests for number parsing, so skip those tests here */
}

static void test_VarR8Copy(void)
{
  COPYTEST(77665544.0, VT_R8, V_R8(&vSrc), V_R8(&vDst), V_R8REF(&vSrc),V_R8REF(&vDst), "%16.16g");
}

static void test_VarR8ChangeTypeEx(void)
{
#ifdef HAS_UINT64_TO_FLOAT
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;

  in = 1.0;

  INITIAL_TYPETEST(VT_R8, V_R8, "%g");
  COMMON_TYPETEST;
#endif
}

#define MATHRND(l, r) left = l; right = r; hres = pVarR8Round(left, right, &out)

static void test_VarR8Round(void)
{
  HRESULT hres;
  double left = 0.0, out;
  int right;

  CHECKPTR(VarR8Round);
  MATHRND(0.5432, 5);  EXPECT(0.5432);
  MATHRND(0.5432, 4);  EXPECT(0.5432);
  MATHRND(0.5432, 3);  EXPECT(0.543);
  MATHRND(0.5432, 2);  EXPECT(0.54);
  MATHRND(0.5432, 1);  EXPECT(0.5);
  MATHRND(0.5532, 0);  EXPECT(1);
  MATHRND(0.5532, -1); EXPECT_INVALID;

  MATHRND(0.5568, 5);  EXPECT(0.5568);
  MATHRND(0.5568, 4);  EXPECT(0.5568);
  MATHRND(0.5568, 3);  EXPECT(0.557);
  MATHRND(0.5568, 2);  EXPECT(0.56);
  MATHRND(0.5568, 1);  EXPECT(0.6);
  MATHRND(0.5568, 0);  EXPECT(1);
  MATHRND(0.5568, -1); EXPECT_INVALID;

  MATHRND(0.4999, 0); EXPECT(0);
  MATHRND(0.5000, 0); EXPECT(0);
  MATHRND(0.5001, 0); EXPECT(1);
  MATHRND(1.4999, 0); EXPECT(1);
  MATHRND(1.5000, 0); EXPECT(2);
  MATHRND(1.5001, 0); EXPECT(2);
}

/*
 * VT_DATE
 */

#undef CONV_TYPE
#define CONV_TYPE DATE

static void test_VarDateFromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarDateFromI1);
  CONVERTRANGE(VarDateFromI1, -128, 128);
}

static void test_VarDateFromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarDateFromUI1);
  CONVERTRANGE(VarDateFromUI1, 0, 256);
}

static void test_VarDateFromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarDateFromI2);
  CONVERTRANGE(VarDateFromI2, -32768, 32768);
}

static void test_VarDateFromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarDateFromUI2);
  CONVERTRANGE(VarDateFromUI2, 0, 65536);
}

static void test_VarDateFromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarDateFromI4);
  CONVERT(VarDateFromI4, DATE_MIN-1);
  if (hres != DISP_E_TYPEMISMATCH) /* Early versions return this, incorrectly */
    EXPECT_OVERFLOW;
  CONVERT(VarDateFromI4, DATE_MIN);   EXPECT(DATE_MIN);
  CONVERT(VarDateFromI4, -1);         EXPECT(-1.0);
  CONVERT(VarDateFromI4, 0);          EXPECT(0.0);
  CONVERT(VarDateFromI4, 1);          EXPECT(1.0);
  CONVERT(VarDateFromI4, DATE_MAX);   EXPECT(DATE_MAX);
  CONVERT(VarDateFromI4, DATE_MAX+1);
  if (hres != DISP_E_TYPEMISMATCH) /* Early versions return this, incorrectly */
    EXPECT_OVERFLOW;
}

static void test_VarDateFromUI4(void)
{
  CONVVARS(unsigned int);

  CHECKPTR(VarDateFromUI4);
  CONVERT(VarDateFromUI4, 0);          EXPECT(0.0);
  CONVERT(VarDateFromUI4, 1);          EXPECT(1.0);
  CONVERT(VarDateFromUI4, DATE_MAX);   EXPECT(DATE_MAX);
  CONVERT(VarDateFromUI4, DATE_MAX+1);
  if (hres != DISP_E_TYPEMISMATCH) /* Early versions return this, incorrectly */
    EXPECT_OVERFLOW;
}

static void test_VarDateFromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarDateFromR4);
  CONVERT(VarDateFromR4, -1.0f); EXPECT(-1.0);
  CONVERT(VarDateFromR4, 0.0f);  EXPECT(0.0);
  CONVERT(VarDateFromR4, 1.0f);  EXPECT(1.0);
  CONVERT(VarDateFromR4, 1.5f);  EXPECT(1.5);
}

static void test_VarDateFromR8(void)
{
  CONVVARS(double);

  CHECKPTR(VarDateFromR8);
  CONVERT(VarDateFromR8, -1.0f); EXPECT(-1.0);
  CONVERT(VarDateFromR8, 0.0f);  EXPECT(0.0);
  CONVERT(VarDateFromR8, 1.0f);  EXPECT(1.0);
  CONVERT(VarDateFromR8, 1.5f);  EXPECT(1.5);
}

static void test_VarDateFromBool(void)
{
  CONVVARS(VARIANT_BOOL);

  CHECKPTR(VarDateFromBool);
  CONVERT(VarDateFromBool, VARIANT_TRUE);  EXPECT(VARIANT_TRUE * 1.0);
  CONVERT(VarDateFromBool, VARIANT_FALSE); EXPECT(VARIANT_FALSE * 1.0);
}

static void test_VarDateFromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarDateFromCy);
  CONVERT_CY(VarDateFromCy,-32769); EXPECT(-32769.0);
  CONVERT_CY(VarDateFromCy,-32768); EXPECT(-32768.0);
  CONVERT_CY(VarDateFromCy,-1);     EXPECT(-1.0);
  CONVERT_CY(VarDateFromCy,0);      EXPECT(0.0);
  CONVERT_CY(VarDateFromCy,1);      EXPECT(1.0);
  CONVERT_CY(VarDateFromCy,32767);  EXPECT(32767.0);
  CONVERT_CY(VarDateFromCy,32768);  EXPECT(32768.0);

  CONVERT_CY(VarDateFromCy,-1.5); EXPECT(-1.5);
  CONVERT_CY(VarDateFromCy,-0.6); EXPECT(-0.6);
  CONVERT_CY(VarDateFromCy,-0.5); EXPECT(-0.5);
  CONVERT_CY(VarDateFromCy,-0.4); EXPECT(-0.4);
  CONVERT_CY(VarDateFromCy,0.4);  EXPECT(0.4);
  CONVERT_CY(VarDateFromCy,0.5);  EXPECT(0.5);
  CONVERT_CY(VarDateFromCy,0.6);  EXPECT(0.6);
  CONVERT_CY(VarDateFromCy,1.5);  EXPECT(1.5);
}

static void test_VarDateFromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarDateFromI8);
  CONVERT(VarDateFromI8, DATE_MIN-1); EXPECT_OVERFLOW;
  CONVERT(VarDateFromI8, DATE_MIN);   EXPECT(DATE_MIN);
  CONVERT(VarDateFromI8, -1);         EXPECT(-1.0);
  CONVERT(VarDateFromI8, 0);          EXPECT(0.0);
  CONVERT(VarDateFromI8, 1);          EXPECT(1.0);
  CONVERT(VarDateFromI8, DATE_MAX);   EXPECT(DATE_MAX);
  CONVERT(VarDateFromI8, DATE_MAX+1); EXPECT_OVERFLOW;
}

static void test_VarDateFromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarDateFromUI8);
  CONVERT(VarDateFromUI8, 0);          EXPECT(0.0);
  CONVERT(VarDateFromUI8, 1);          EXPECT(1.0);
  CONVERT(VarDateFromUI8, DATE_MAX);   EXPECT(DATE_MAX);
  CONVERT(VarDateFromUI8, DATE_MAX+1); EXPECT_OVERFLOW;
}

static void test_VarDateFromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarDateFromDec);

  CONVERT_BADDEC(VarDateFromDec);

  CONVERT_DEC(VarDateFromDec,0,0x80,0,32768); EXPECT(-32768.0);
  CONVERT_DEC(VarDateFromDec,0,0x80,0,1);     EXPECT(-1.0);
  CONVERT_DEC(VarDateFromDec,0,0,0,0);        EXPECT(0.0);
  CONVERT_DEC(VarDateFromDec,0,0,0,1);        EXPECT(1.0);
  CONVERT_DEC(VarDateFromDec,0,0,0,32767);    EXPECT(32767.0);

  CONVERT_DEC(VarDateFromDec,2,0x80,0,3276800); EXPECT(-32768.0);
  CONVERT_DEC(VarDateFromDec,2,0,0,3276700);    EXPECT(32767.0);
}

#define DFS(str) \
  buff[0] = '\0'; out = 0.0; \
  if (str) MultiByteToWideChar(CP_ACP,0,str,-1,buff,sizeof(buff)/sizeof(WCHAR)); \
  hres = pVarDateFromStr(str ? buff : NULL,lcid,LOCALE_NOUSEROVERRIDE,&out)

#define MKRELDATE(day,mth) st.wMonth = mth; st.wDay = day; \
  pSystemTimeToVariantTime(&st,&relative)

static const char * const BadDateStrings[] =
{
  "True", "False", /* Plain text */
  "0.", ".0", "-1.1", "1.1-", /* Partial specifications */
  "1;2;3", "1*2*3", "1@2@3", "1#2#3", "(1:2)","<1:2>","1|2|3", /* Bad chars */
  "0", "1", /* 1 element */
  "0.60", "24.00", "0:60", "24:00", "1 2 am", "1 am 2", /* 2 elements */
  "1.5 2", "1 5.2", "2 32 3", "1 2 am 3", /* 3 elements */
  "1 2.3 4", "1.2.3 4", "1 2.3.4", "1.2 3.4", "1.2.3.4", "1 2 3 4",
  "1 am 2 3.4", "1 2 am 3.4", "1.2 3 am 4", "1.2 3 4 am", /* 4 elements */
  "1.2.3.4.5", "1.2.3.4 5", "1.2.3 4.5", "1.2 3.4.5", "1.2 3.4 5", "1.2 3 4.5",
  "1 2.3.4.5", "1 2.3.4 5", "1 2.3 4.5", "1 2.3 4 5", "1 2 3.4 5", "1 2 3 4 5",
  "1.2.3 4 am 5", "1.2.3 4 5 am", "1.2 3 am 4 5",
  "1.2 3 4 am 5", "1.2 3 4 5 am", "1 am 2 3.4.5", "1 2 am 3.4.5",
  "1 am 2 3 4.5", "1 2 am 3 4.5", "1 2 3 am 4.5", /* 5 elements */
  /* 6 elements */
  "1.2.3.4.5.6", "1.2.3.4.5 6", "1.2.3.4 5.6", "1.2.3.4 5 6", "1.2.3 4.5.6",
  "1.2.3 4.5 6", "1.2.3 4 5.6", "1.2 3.4.5.6", "1.2 3.4.5 6", "1.2 3.4 5.6",
  "1.2 3.4 5 6", "1.2 3 4.5.6", "1.2 3 4.5 6", "1.2 3 4 5.6", "1.2 3 4 5 6",
  "1 2.3.4.5.6", "1 2.3.4.5 6", "1 2.3.4 5.6", "1 2.3.4 5 6", "1 2.3 4.5.6",
#if 0
  /* following throws an exception on winME */
  "1 2.3 4.5 6", "1 2.3 4 5.6", "1 2.3 4 5 6", "1 2 3.4.5.6", "1 2 3.4.5 6",
#endif
  "1 2 3.4 5.6", "1 2 3.4 5 6", "1 2 3 4.5 6", "1 2 3 4 5.6", "1 2 3 4 5 6",
#if 0
  /* following throws an exception on winME */
  "1.2.3 4 am 5 6", "1.2.3 4 5 am 6", "1.2.3 4 5 6 am", "1 am 2 3 4.5.6",
#endif
  "1 2 am 3 4.5.6", "1 2 3 am 4.5.6"
};

static void test_VarDateFromStr(void)
{
  LCID lcid;
  DATE out, relative;
  HRESULT hres;
  SYSTEMTIME st;
  OLECHAR buff[128];
  size_t i;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  CHECKPTR(VarDateFromStr);
  CHECKPTR(SystemTimeToVariantTime);

  /* Some date formats are relative, so we need to find the current year */
  GetSystemTime(&st);
  st.wHour = st.wMinute = st.wSecond = st.wMilliseconds = 0;
  DFS(NULL); EXPECT_MISMATCH;

  /* Floating point number are not recognised */
  DFS("0.0");
  if (hres == S_OK)
    EXPECT_DBL(0.0); /* Very old versions accept this string */
  else
    EXPECT_MISMATCH;

  /* 1 element - can only be a time, and only if it has am/pm */
  DFS("1 am"); EXPECT_DBL(0.04166666666666666);
  /* 2 elements */
  /* A decimal point is treated as a time separator.
   * The following are converted as hours/minutes.
   */
  DFS("0.1");  EXPECT_DBL(0.0006944444444444445);
  DFS("0.40"); EXPECT_DBL(0.02777777777777778);
  DFS("2.5");  EXPECT_DBL(0.08680555555555555);
  /* A colon acts as a decimal point */
  DFS("0:1");  EXPECT_DBL(0.0006944444444444445);
  DFS("0:20"); EXPECT_DBL(0.01388888888888889);
  DFS("0:40"); EXPECT_DBL(0.02777777777777778);
  DFS("3:5");  EXPECT_DBL(0.1284722222222222);
  /* Check the am/pm limits */
  DFS("00:00 AM"); EXPECT_DBL(0.0);
  DFS("00:00 a");  EXPECT_DBL(0.0);
  DFS("12:59 AM"); EXPECT_DBL(0.04097222222222222);
  DFS("12:59 A");  EXPECT_DBL(0.04097222222222222);
  DFS("00:00 pm"); EXPECT_DBL(0.5);
  DFS("00:00 p");  EXPECT_DBL(0.5);
  DFS("12:59 pm"); EXPECT_DBL(0.5409722222222222);
  DFS("12:59 p");  EXPECT_DBL(0.5409722222222222);
  /* AM/PM is ignored if hours > 12 */
  DFS("13:00 AM"); EXPECT_DBL(0.5416666666666666);
  DFS("13:00 PM"); EXPECT_DBL(0.5416666666666666);

  /* Space, dash and slash all indicate a date format. */
  /* If both numbers are valid month values => month/day of current year */
  DFS("1 2"); MKRELDATE(2,1); EXPECT_DBL(relative);
  DFS("2 1"); MKRELDATE(1,2); EXPECT_DBL(relative);
  /* one number not valid month, is a valid day, other number valid month:
   * that number becomes the day.
   */
  DFS("14 1");   MKRELDATE(14,1); EXPECT_DBL(relative);
  DFS("1 14");   EXPECT_DBL(relative);
  /* If the numbers can't be day/month, they are assumed to be year/month */
  DFS("30 2");   EXPECT_DBL(10990.0);
  DFS("2 30");   EXPECT_DBL(10990.0);
  DFS("32 49");  EXPECT_MISMATCH; /* Can't be any format */
  DFS("0 49");   EXPECT_MISMATCH; /* Can't be any format */
  /* If a month name is given the other number is the day */
  DFS("Jan 2");  MKRELDATE(2,1); EXPECT_DBL(relative);
  DFS("2 Jan");  EXPECT_DBL(relative);
  /* Unless it can't be, in which case it becomes the year */
  DFS("Jan 35"); EXPECT_DBL(12785.0);
  DFS("35 Jan"); EXPECT_DBL(12785.0);
  DFS("Jan-35"); EXPECT_DBL(12785.0);
  DFS("35-Jan"); EXPECT_DBL(12785.0);
  DFS("Jan/35"); EXPECT_DBL(12785.0);
  DFS("35/Jan"); EXPECT_DBL(12785.0);
  /* 3 elements */
  /* 3 numbers and time separator => h:m:s */
  DFS("0.1.0");  EXPECT_DBL(0.0006944444444444445);
  DFS("1.5.2");  EXPECT_DBL(0.04516203703703704);
  /* 3 numbers => picks date giving preference to lcid format */
  DFS("1 2 3");  EXPECT_DBL(37623.0);
  DFS("14 2 3"); EXPECT_DBL(41673.0);
  DFS("2 14 3"); EXPECT_DBL(37666.0);
  DFS("2 3 14"); EXPECT_DBL(41673.0);
  DFS("32 2 3"); EXPECT_DBL(11722.0);
  DFS("2 3 32"); EXPECT_DBL(11722.0);
  DFS("1 2 29"); EXPECT_DBL(47120.0);
  /* After 30, two digit dates are expected to be in the 1900's */
  DFS("1 2 30"); EXPECT_DBL(10960.0);
  DFS("1 2 31"); EXPECT_DBL(11325.0);
  DFS("3 am 1 2"); MKRELDATE(2,1); relative += 0.125; EXPECT_DBL(relative);
  DFS("1 2 3 am"); EXPECT_DBL(relative);

  /* 4 elements -interpreted as 2 digit date & time */
  DFS("1.2 3 4");   MKRELDATE(4,3); relative += 0.04305555556; EXPECT_DBL(relative);
  DFS("3 4 1.2");   EXPECT_DBL(relative);
  /* 5 elements - interpreted as 2 & 3 digit date/times */
  DFS("1.2.3 4 5"); MKRELDATE(5,4); relative += 0.04309027778; EXPECT_DBL(relative);
  DFS("1.2 3 4 5"); EXPECT_DBL(38415.04305555556);
#if 0
  /* following throws an exception on winME */
  DFS("1 2 3.4.5"); MKRELDATE(2,1); relative += 0.12783564815; EXPECT_DBL(relative);
#endif
  DFS("1 2 3 4.5"); EXPECT_DBL(37623.17013888889);
  /* 6 elements - interpreted as 3 digit date/times */
  DFS("1.2.3 4 5 6"); EXPECT_DBL(38812.04309027778);
  DFS("1 2 3 4.5.6"); EXPECT_DBL(37623.17020833334);

  for (i = 0; i < sizeof(BadDateStrings)/sizeof(char*); i++)
  {
    DFS(BadDateStrings[i]); EXPECT_MISMATCH;
  }

  /* Some normal-ish strings */
  DFS("2 January, 1970"); EXPECT_DBL(25570.0);
  DFS("2 January 1970");  EXPECT_DBL(25570.0);
  DFS("2 Jan 1970");      EXPECT_DBL(25570.0);
  DFS("2/Jan/1970");      EXPECT_DBL(25570.0);
  DFS("2-Jan-1970");      EXPECT_DBL(25570.0);
  DFS("1 2 1970");        EXPECT_DBL(25570.0);
  DFS("1/2/1970");        EXPECT_DBL(25570.0);
  DFS("1-2-1970");        EXPECT_DBL(25570.0);
  /* Native fails "1999 January 3, 9AM". I consider that a bug in native */

  /* test a none english data string */
  DFS("02.01.1970 00:00:00"); EXPECT_MISMATCH;
  lcid = MAKELCID(MAKELANGID(LANG_GERMAN,SUBLANG_GERMAN),SORT_DEFAULT);
  DFS("02.01.1970"); todo_wine EXPECT_DBL(25570.0);
  DFS("02.01.1970 00:00:00"); todo_wine EXPECT_DBL(25570.0);
}

static void test_VarDateCopy(void)
{
  COPYTEST(77665544.0, VT_DATE, V_DATE(&vSrc), V_DATE(&vDst), V_DATEREF(&vSrc),
           V_DATEREF(&vDst), "%16.16g");
}

static const char* wtoascii(LPWSTR lpszIn)
{
    static char buff[256];
    WideCharToMultiByte(CP_ACP, 0, lpszIn, -1, buff, sizeof(buff), NULL, NULL);
    return buff;
}

static void test_VarDateChangeTypeEx(void)
{
  static const WCHAR sz25570[] = {
    '1','/','2','/','1','9','7','0','\0' };
  static const WCHAR sz25570_2[] = {
          '1','/','2','/','7','0','\0' };
  static const WCHAR sz25570Nls[] = {
    '1','/','2','/','1','9','7','0',' ','1','2',':','0','0',':','0','0',' ','A','M','\0' };
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;
  LCID lcid;

  in = 1.0;

#ifdef HAS_UINT64_TO_FLOAT
  INITIAL_TYPETEST(VT_DATE, V_DATE, "%g");
  COMMON_TYPETEST;
#endif

  V_VT(&vDst) = VT_EMPTY;
  V_VT(&vSrc) = VT_DATE;
  V_DATE(&vSrc) = 25570.0;
  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, VARIANT_NOUSEROVERRIDE, VT_BSTR); 
  ok(hres == S_OK && V_VT(&vDst) == VT_BSTR && V_BSTR(&vDst) &&
          (!lstrcmpW(V_BSTR(&vDst), sz25570) || !lstrcmpW(V_BSTR(&vDst), sz25570_2)),
          "hres=0x%X, type=%d (should be VT_BSTR), *bstr=%s\n", 
          hres, V_VT(&vDst), V_BSTR(&vDst) ? wtoascii(V_BSTR(&vDst)) : "?");

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
  if (HAVE_OLEAUT32_LOCALES)
  {
    hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, VARIANT_NOUSEROVERRIDE|VARIANT_USE_NLS, VT_BSTR);
    ok(hres == S_OK && V_VT(&vDst) == VT_BSTR && V_BSTR(&vDst) && !lstrcmpW(V_BSTR(&vDst), sz25570Nls), 
            "hres=0x%X, type=%d (should be VT_BSTR), *bstr=%s\n", 
            hres, V_VT(&vDst), V_BSTR(&vDst) ? wtoascii(V_BSTR(&vDst)) : "?");
  }
}

/*
 * VT_CY
 */

#undef CONV_TYPE
#define CONV_TYPE CY
#undef EXPECTRES
#define EXPECTRES(res, x) \
  ok(hres == S_OK || ((HRESULT)res != S_OK && hres == (HRESULT)res), \
     "expected hres " #x ", got hres=0x%08x\n", hres)

#define EXPECTCY(x) \
  ok((hres == S_OK && out.int64 == (LONGLONG)(x*CY_MULTIPLIER)), \
     "expected " #x "*CY_MULTIPLIER, got (%8x %8x); hres=0x%08x\n", S(out).Hi, S(out).Lo, hres)

#define EXPECTCY64(x,y) \
  ok(hres == S_OK && S(out).Hi == (LONG)x && S(out).Lo == y, \
     "expected " #x #y "(%u,%u), got (%u,%u); hres=0x%08x\n", \
      (ULONG)(x), (ULONG)(y), S(out).Hi, S(out).Lo, hres)

static void test_VarCyFromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarCyFromI1);
  for (i = -128; i < 128; i++)
  {
    CONVERT(VarCyFromI1,i); EXPECTCY(i);
  }
}

static void test_VarCyFromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarCyFromUI1);
  for (i = 0; i < 256; i++)
  {
    CONVERT(VarCyFromUI1,i); EXPECTCY(i);
  }
}

static void test_VarCyFromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarCyFromI2);
  for (i = -16384; i < 16384; i++)
  {
    CONVERT(VarCyFromI2,i); EXPECTCY(i);
  }
}

static void test_VarCyFromUI2(void)
{
  CONVVARS(int);
  int i;

  CHECKPTR(VarCyFromUI2);
  for (i = 0; i < 32768; i++)
  {
    CONVERT(VarCyFromUI2,i); EXPECTCY(i);
  }
}

static void test_VarCyFromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarCyFromI4);
  CONVERT(VarCyFromI4, -1);         EXPECTCY(-1);
  CONVERT(VarCyFromI4, 0);          EXPECTCY(0);
  CONVERT(VarCyFromI4, 1);          EXPECTCY(1);
  CONVERT(VarCyFromI4, 0x7fffffff); EXPECTCY64(0x1387, 0xffffd8f0);
  CONVERT(VarCyFromI4, 0x80000000); EXPECTCY64(0xffffec78, 0);
}

static void test_VarCyFromUI4(void)
{
  CONVVARS(unsigned int);

  CHECKPTR(VarCyFromUI4);
  CONVERT(VarCyFromUI4, 0); EXPECTCY(0);
  CONVERT(VarCyFromUI4, 1); EXPECTCY(1);
  CONVERT(VarCyFromUI4, 0x80000000); EXPECTCY64(5000, 0);
}

static void test_VarCyFromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarCyFromR4);
  CONVERT(VarCyFromR4, -1.0f); EXPECTCY(-1);
  CONVERT(VarCyFromR4, 0.0f);  EXPECTCY(0);
  CONVERT(VarCyFromR4, 1.0f);  EXPECTCY(1);
  CONVERT(VarCyFromR4, 1.5f);  EXPECTCY(1.5);

  CONVERT(VarCyFromR4, -1.5f);     EXPECTCY(-1.5);
  CONVERT(VarCyFromR4, -0.6f);     EXPECTCY(-0.6);
  CONVERT(VarCyFromR4, -0.5f);     EXPECTCY(-0.5);
  CONVERT(VarCyFromR4, -0.4f);     EXPECTCY(-0.4);
  CONVERT(VarCyFromR4, 0.4f);      EXPECTCY(0.4);
  CONVERT(VarCyFromR4, 0.5f);      EXPECTCY(0.5);
  CONVERT(VarCyFromR4, 0.6f);      EXPECTCY(0.6);
  CONVERT(VarCyFromR4, 1.5f);      EXPECTCY(1.5);
  CONVERT(VarCyFromR4, 1.00009f);  EXPECTCY(1.0001);
  CONVERT(VarCyFromR4, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromR4, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromR4, -0.00009f); EXPECTCY(-0.0001);
  CONVERT(VarCyFromR4, -0.00005f); EXPECTCY(0);
  CONVERT(VarCyFromR4, -0.00001f); EXPECTCY(0);
  CONVERT(VarCyFromR4, 0.00001f);  EXPECTCY(0);
  CONVERT(VarCyFromR4, 0.00005f);  EXPECTCY(0);
  CONVERT(VarCyFromR4, 0.00009f);  EXPECTCY(0.0001);
  CONVERT(VarCyFromR4, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromR4, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromR4, -1.00009f); EXPECTCY(-1.0001);
}

static void test_VarCyFromR8(void)
{
  CONVVARS(DOUBLE);

  CHECKPTR(VarCyFromR8);

#if defined(__i386__) && (defined(_MSC_VER) || defined(__GNUC__))
  /* Test our rounding is exactly the same. This fails if the special x86
   * code is taken out of VarCyFromR8.
   */
  CONVERT(VarCyFromR8, -461168601842738.7904); EXPECTCY64(0xbfffffff, 0xffffff23);
#endif

  CONVERT(VarCyFromR8, -4611686018427388416.1); EXPECT_OVERFLOW;
  CONVERT(VarCyFromR8, -1.0);                   EXPECTCY(-1);
  CONVERT(VarCyFromR8, -0.0);                   EXPECTCY(0);
  CONVERT(VarCyFromR8, 1.0);                    EXPECTCY(1);
  CONVERT(VarCyFromR8, 4611686018427387648.0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarCyFromR8, -1.5f);     EXPECTCY(-1.5);
  CONVERT(VarCyFromR8, -0.6f);     EXPECTCY(-0.6);
  CONVERT(VarCyFromR8, -0.5f);     EXPECTCY(-0.5);
  CONVERT(VarCyFromR8, -0.4f);     EXPECTCY(-0.4);
  CONVERT(VarCyFromR8, 0.4f);      EXPECTCY(0.4);
  CONVERT(VarCyFromR8, 0.5f);      EXPECTCY(0.5);
  CONVERT(VarCyFromR8, 0.6f);      EXPECTCY(0.6);
  CONVERT(VarCyFromR8, 1.5f);      EXPECTCY(1.5);
  CONVERT(VarCyFromR8, 1.00009f);  EXPECTCY(1.0001);
  CONVERT(VarCyFromR8, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromR8, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromR8, -0.00009f); EXPECTCY(-0.0001);
  CONVERT(VarCyFromR8, -0.00005f); EXPECTCY(0);
  CONVERT(VarCyFromR8, -0.00001f); EXPECTCY(0);
  CONVERT(VarCyFromR8, 0.00001f);  EXPECTCY(0);
  CONVERT(VarCyFromR8, 0.00005f);  EXPECTCY(0);
  CONVERT(VarCyFromR8, 0.00009f);  EXPECTCY(0.0001);
  CONVERT(VarCyFromR8, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromR8, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromR8, -1.00009f); EXPECTCY(-1.0001);
}

static void test_VarCyFromBool(void)
{
  CONVVARS(VARIANT_BOOL);
  int i;

  CHECKPTR(VarCyFromBool);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarCyFromBool, i);  EXPECTCY(i);
  }
}

static void test_VarCyFromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarCyFromI8);
  CONVERT_I8(VarCyFromI8, -214749, 2728163227ul);   EXPECT_OVERFLOW;
  CONVERT_I8(VarCyFromI8, -214749, 2728163228ul);   EXPECTCY64(2147483648ul,15808);
  CONVERT(VarCyFromI8, -1); EXPECTCY(-1);
  CONVERT(VarCyFromI8, 0);  EXPECTCY(0);
  CONVERT(VarCyFromI8, 1);  EXPECTCY(1);
  CONVERT_I8(VarCyFromI8, 214748, 1566804068); EXPECTCY64(2147483647ul, 4294951488ul);
  CONVERT_I8(VarCyFromI8, 214748, 1566804069); EXPECT_OVERFLOW;
}

static void test_VarCyFromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarCyFromUI8);
  CONVERT(VarCyFromUI8, 0); EXPECTCY(0);
  CONVERT(VarCyFromUI8, 1); EXPECTCY(1);
  CONVERT_I8(VarCyFromUI8, 214748, 1566804068); EXPECTCY64(2147483647ul, 4294951488ul);
  CONVERT_I8(VarCyFromUI8, 214748, 1566804069); EXPECT_OVERFLOW;
}

static void test_VarCyFromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarCyFromDec);

  CONVERT_BADDEC(VarCyFromDec);

  CONVERT_DEC(VarCyFromDec,0,0x80,0,1); EXPECTCY(-1);
  CONVERT_DEC(VarCyFromDec,0,0,0,0);    EXPECTCY(0);
  CONVERT_DEC(VarCyFromDec,0,0,0,1);    EXPECTCY(1);

  CONVERT_DEC64(VarCyFromDec,0,0,0,214748, 1566804068); EXPECTCY64(2147483647ul, 4294951488ul);
  CONVERT_DEC64(VarCyFromDec,0,0,0,214748, 1566804069); EXPECT_OVERFLOW;

  CONVERT_DEC(VarCyFromDec,2,0,0,100);     EXPECTCY(1);
  CONVERT_DEC(VarCyFromDec,2,0x80,0,100);  EXPECTCY(-1);
  CONVERT_DEC(VarCyFromDec,2,0x80,0,1);    EXPECTCY(-0.01);
  CONVERT_DEC(VarCyFromDec,2,0,0,1);       EXPECTCY(0.01);
  CONVERT_DEC(VarCyFromDec,2,0x80,0,1);    EXPECTCY(-0.01);
  CONVERT_DEC(VarCyFromDec,2,0,0,999);     EXPECTCY(9.99);
  CONVERT_DEC(VarCyFromDec,2,0x80,0,999);  EXPECTCY(-9.99);
  CONVERT_DEC(VarCyFromDec,2,0,0,1500);    EXPECTCY(15);
  CONVERT_DEC(VarCyFromDec,2,0x80,0,1500); EXPECTCY(-15);
}

static void test_VarCyFromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarCyFromDate);

#if defined(__i386__) && (defined(_MSC_VER) || defined(__GNUC__))
  CONVERT(VarCyFromR8, -461168601842738.7904); EXPECTCY64(0xbfffffff, 0xffffff23);
#endif

  CONVERT(VarCyFromDate, -1.0); EXPECTCY(-1);
  CONVERT(VarCyFromDate, -0.0); EXPECTCY(0);
  CONVERT(VarCyFromDate, 1.0);  EXPECTCY(1);
  CONVERT(VarCyFromDate, -4611686018427388416.1); EXPECT_OVERFLOW;
  CONVERT(VarCyFromDate, 4611686018427387648.0);  EXPECT_OVERFLOW;

  /* Rounding */
  CONVERT(VarCyFromDate, -1.5f);     EXPECTCY(-1.5);
  CONVERT(VarCyFromDate, -0.6f);     EXPECTCY(-0.6);
  CONVERT(VarCyFromDate, -0.5f);     EXPECTCY(-0.5);
  CONVERT(VarCyFromDate, -0.4f);     EXPECTCY(-0.4);
  CONVERT(VarCyFromDate, 0.4f);      EXPECTCY(0.4);
  CONVERT(VarCyFromDate, 0.5f);      EXPECTCY(0.5);
  CONVERT(VarCyFromDate, 0.6f);      EXPECTCY(0.6);
  CONVERT(VarCyFromDate, 1.5f);      EXPECTCY(1.5);
  CONVERT(VarCyFromDate, 1.00009f);  EXPECTCY(1.0001);
  CONVERT(VarCyFromDate, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromDate, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromDate, -0.00009f); EXPECTCY(-0.0001);
  CONVERT(VarCyFromDate, -0.00005f); EXPECTCY(0);
  CONVERT(VarCyFromDate, -0.00001f); EXPECTCY(0);
  CONVERT(VarCyFromDate, 0.00001f);  EXPECTCY(0);
  CONVERT(VarCyFromDate, 0.00005f);  EXPECTCY(0);
  CONVERT(VarCyFromDate, 0.00009f);  EXPECTCY(0.0001);
  CONVERT(VarCyFromDate, -1.00001f); EXPECTCY(-1);
  CONVERT(VarCyFromDate, -1.00005f); EXPECTCY(-1);
  CONVERT(VarCyFromDate, -1.00009f); EXPECTCY(-1.0001);
}

#define MATHVARS1 HRESULT hres; double left = 0.0; CY cyLeft, out
#define MATHVARS2 MATHVARS1; double right = 0.0; CY cyRight
#define MATH1(func, l) left = (double)l; pVarCyFromR8(left, &cyLeft); hres = p##func(cyLeft, &out)
#define MATH2(func, l, r) left = (double)l; right = (double)r; \
  pVarCyFromR8(left, &cyLeft); pVarCyFromR8(right, &cyRight); \
  hres = p##func(cyLeft, cyRight, &out)

static void test_VarCyAdd(void)
{
  MATHVARS2;

  CHECKPTR(VarCyAdd);
  MATH2(VarCyAdd, 0.5, 0.5);   EXPECTCY(1);
  MATH2(VarCyAdd, 0.5, -0.4);  EXPECTCY(0.1);
  MATH2(VarCyAdd, 0.5, -0.6);  EXPECTCY(-0.1);
  MATH2(VarCyAdd, -0.5, -0.5); EXPECTCY(-1);
  MATH2(VarCyAdd, -922337203685476.0, -922337203685476.0); EXPECT_OVERFLOW;
  MATH2(VarCyAdd, -922337203685476.0, 922337203685476.0);  EXPECTCY(0);
  MATH2(VarCyAdd, 922337203685476.0, -922337203685476.0);  EXPECTCY(0);
  MATH2(VarCyAdd, 922337203685476.0, 922337203685476.0);   EXPECT_OVERFLOW;
}

static void test_VarCyMul(void)
{
  MATHVARS2;

  CHECKPTR(VarCyMul);
  MATH2(VarCyMul, 534443.0, 0.0); EXPECTCY(0);
  MATH2(VarCyMul, 0.5, 0.5);      EXPECTCY(0.25);
  MATH2(VarCyMul, 0.5, -0.4);     EXPECTCY(-0.2);
  MATH2(VarCyMul, 0.5, -0.6);     EXPECTCY(-0.3);
  MATH2(VarCyMul, -0.5, -0.5);    EXPECTCY(0.25);
  MATH2(VarCyMul, 922337203685476.0, 20000); EXPECT_OVERFLOW;
}

static void test_VarCySub(void)
{
  MATHVARS2;

  CHECKPTR(VarCySub);
  MATH2(VarCySub, 0.5, 0.5);   EXPECTCY(0);
  MATH2(VarCySub, 0.5, -0.4);  EXPECTCY(0.9);
  MATH2(VarCySub, 0.5, -0.6);  EXPECTCY(1.1);
  MATH2(VarCySub, -0.5, -0.5); EXPECTCY(0);
  MATH2(VarCySub, -922337203685476.0, -922337203685476.0); EXPECTCY(0);
  MATH2(VarCySub, -922337203685476.0, 922337203685476.0);  EXPECT_OVERFLOW;
  MATH2(VarCySub, 922337203685476.0, -922337203685476.0);  EXPECT_OVERFLOW;
  MATH2(VarCySub, 922337203685476.0, 922337203685476.0);   EXPECTCY(0);
}

static void test_VarCyAbs(void)
{
  MATHVARS1;

  CHECKPTR(VarCyAbs);
  MATH1(VarCyAbs, 0.5);  EXPECTCY(0.5);
  MATH1(VarCyAbs, -0.5); EXPECTCY(0.5);
  MATH1(VarCyAbs, 922337203685476.0);  EXPECTCY64(2147483647ul,4294951488ul);
  MATH1(VarCyAbs, -922337203685476.0); EXPECTCY64(2147483647ul,4294951488ul);
}

static void test_VarCyNeg(void)
{
  MATHVARS1;

  CHECKPTR(VarCyNeg);
  MATH1(VarCyNeg, 0.5); EXPECTCY(-0.5);
  MATH1(VarCyNeg, -0.5); EXPECTCY(0.5);
  MATH1(VarCyNeg, 922337203685476.0);  EXPECTCY64(2147483648ul,15808);
  MATH1(VarCyNeg, -922337203685476.0); EXPECTCY64(2147483647ul,4294951488ul);
}

#define MATHMULI4(l, r) left = l; right = r; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyMulI4(cyLeft, right, &out)

static void test_VarCyMulI4(void)
{
  MATHVARS1;
  LONG right;

  CHECKPTR(VarCyMulI4);
  MATHMULI4(534443.0, 0); EXPECTCY(0);
  MATHMULI4(0.5, 1);      EXPECTCY(0.5);
  MATHMULI4(0.5, 2);      EXPECTCY(1);
  MATHMULI4(922337203685476.0, 1); EXPECTCY64(2147483647ul,4294951488ul);
  MATHMULI4(922337203685476.0, 2); EXPECT_OVERFLOW;
}

#define MATHMULI8(l, r) left = l; right = r; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyMulI8(cyLeft, right, &out)

static void test_VarCyMulI8(void)
{
  MATHVARS1;
  LONG64 right;

  CHECKPTR(VarCyMulI8);
  MATHMULI8(534443.0, 0); EXPECTCY(0);
  MATHMULI8(0.5, 1);      EXPECTCY(0.5);
  MATHMULI8(0.5, 2);      EXPECTCY(1);
  MATHMULI8(922337203685476.0, 1); EXPECTCY64(2147483647ul,4294951488ul);
  MATHMULI8(922337203685476.0, 2); EXPECT_OVERFLOW;
}

#define MATHCMP(l, r) left = l; right = r; pVarCyFromR8(left, &cyLeft); pVarCyFromR8(right, &cyRight); \
  hres = pVarCyCmp(cyLeft, cyRight); out.int64 = hres

static void test_VarCyCmp(void)
{
  MATHVARS2;

  CHECKPTR(VarCyCmp);
  MATHCMP(-1.0, -1.0); EXPECT_EQ;
  MATHCMP(-1.0, 0.0);  EXPECT_LT;
  MATHCMP(-1.0, 1.0);  EXPECT_LT;
  MATHCMP(-1.0, 2.0);  EXPECT_LT;
  MATHCMP(0.0, 1.0);   EXPECT_LT;
  MATHCMP(0.0, 0.0);   EXPECT_EQ;
  MATHCMP(0.0, -1.0);  EXPECT_GT;
  MATHCMP(1.0, -1.0);  EXPECT_GT;
  MATHCMP(1.0, 0.0);   EXPECT_GT;
  MATHCMP(1.0, 1.0);   EXPECT_EQ;
  MATHCMP(1.0, 2.0);   EXPECT_LT;
}

#define MATHCMPR8(l, r) left = l; right = r; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyCmpR8(cyLeft, right); out.int64 = hres

static void test_VarCyCmpR8(void)
{
  MATHVARS1;
  double right;

  CHECKPTR(VarCyCmpR8);
  MATHCMPR8(-1.0, -1.0); EXPECT_EQ;
  MATHCMPR8(-1.0, 0.0);  EXPECT_LT;
  MATHCMPR8(-1.0, 1.0);  EXPECT_LT;
  MATHCMPR8(-1.0, 2.0);  EXPECT_LT;
  MATHCMPR8(0.0, 1.0);   EXPECT_LT;
  MATHCMPR8(0.0, 0.0);   EXPECT_EQ;
  MATHCMPR8(0.0, -1.0);  EXPECT_GT;
  MATHCMPR8(1.0, -1.0);  EXPECT_GT;
  MATHCMPR8(1.0, 0.0);   EXPECT_GT;
  MATHCMPR8(1.0, 1.0);   EXPECT_EQ;
  MATHCMPR8(1.0, 2.0);   EXPECT_LT;
}

#undef MATHRND
#define MATHRND(l, r) left = l; right = r; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyRound(cyLeft, right, &out)

static void test_VarCyRound(void)
{
  MATHVARS1;
  int right;

  CHECKPTR(VarCyRound);
  MATHRND(0.5432, 5);  EXPECTCY(0.5432);
  MATHRND(0.5432, 4);  EXPECTCY(0.5432);
  MATHRND(0.5432, 3);  EXPECTCY(0.543);
  MATHRND(0.5432, 2);  EXPECTCY(0.54);
  MATHRND(0.5432, 1);  EXPECTCY(0.5);
  MATHRND(0.5532, 0);  EXPECTCY(1);
  MATHRND(0.5532, -1); EXPECT_INVALID;

  MATHRND(0.5568, 5);  EXPECTCY(0.5568);
  MATHRND(0.5568, 4);  EXPECTCY(0.5568);
  MATHRND(0.5568, 3);  EXPECTCY(0.557);
  MATHRND(0.5568, 2);  EXPECTCY(0.56);
  MATHRND(0.5568, 1);  EXPECTCY(0.6);
  MATHRND(0.5568, 0);  EXPECTCY(1);
  MATHRND(0.5568, -1); EXPECT_INVALID;

  MATHRND(0.4999, 0); EXPECTCY(0);
  MATHRND(0.5000, 0); EXPECTCY(0);
  MATHRND(0.5001, 0); EXPECTCY(1);
  MATHRND(1.4999, 0); EXPECTCY(1);
  MATHRND(1.5000, 0); EXPECTCY(2);
  MATHRND(1.5001, 0); EXPECTCY(2);
}

#define MATHFIX(l) left = l; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyFix(cyLeft, &out)

static void test_VarCyFix(void)
{
  MATHVARS1;

  CHECKPTR(VarCyFix);
  MATHFIX(-1.0001); EXPECTCY(-1);
  MATHFIX(-1.4999); EXPECTCY(-1);
  MATHFIX(-1.5001); EXPECTCY(-1);
  MATHFIX(-1.9999); EXPECTCY(-1);
  MATHFIX(-0.0001); EXPECTCY(0);
  MATHFIX(-0.4999); EXPECTCY(0);
  MATHFIX(-0.5001); EXPECTCY(0);
  MATHFIX(-0.9999); EXPECTCY(0);
  MATHFIX(0.0001);  EXPECTCY(0);
  MATHFIX(0.4999);  EXPECTCY(0);
  MATHFIX(0.5001);  EXPECTCY(0);
  MATHFIX(0.9999);  EXPECTCY(0);
  MATHFIX(1.0001);  EXPECTCY(1);
  MATHFIX(1.4999);  EXPECTCY(1);
  MATHFIX(1.5001);  EXPECTCY(1);
  MATHFIX(1.9999);  EXPECTCY(1);
}

#define MATHINT(l) left = l; pVarCyFromR8(left, &cyLeft); \
  hres = pVarCyInt(cyLeft, &out)

static void test_VarCyInt(void)
{
  MATHVARS1;

  CHECKPTR(VarCyInt);
  MATHINT(-1.0001); EXPECTCY(-2);
  MATHINT(-1.4999); EXPECTCY(-2);
  MATHINT(-1.5001); EXPECTCY(-2);
  MATHINT(-1.9999); EXPECTCY(-2);
  MATHINT(-0.0001); EXPECTCY(-1);
  MATHINT(-0.4999); EXPECTCY(-1);
  MATHINT(-0.5001); EXPECTCY(-1);
  MATHINT(-0.9999); EXPECTCY(-1);
  MATHINT(0.0001);  EXPECTCY(0);
  MATHINT(0.4999);  EXPECTCY(0);
  MATHINT(0.5001);  EXPECTCY(0);
  MATHINT(0.9999);  EXPECTCY(0);
  MATHINT(1.0001);  EXPECTCY(1);
  MATHINT(1.4999);  EXPECTCY(1);
  MATHINT(1.5001);  EXPECTCY(1);
  MATHINT(1.9999);  EXPECTCY(1);
}

/*
 * VT_DECIMAL
 */

#undef CONV_TYPE
#define CONV_TYPE DECIMAL
#undef EXPECTRES
#define EXPECTRES(res, x) \
  ok(hres == S_OK || ((HRESULT)res != S_OK && hres == (HRESULT)res), \
     "expected hres " #x ", got hres=0x%08x\n", hres)

#define EXPECTDEC(scl, sgn, hi, lo) ok(hres == S_OK && \
  S(U(out)).scale == (BYTE)(scl) && S(U(out)).sign == (BYTE)(sgn) && \
  out.Hi32 == (ULONG)(hi) && U1(out).Lo64 == (ULONG64)(lo), \
  "expected (%d,%d,%d,(%x %x)), got (%d,%d,%d,(%x %x)) hres 0x%08x\n", \
  scl, sgn, hi, (LONG)((LONG64)(lo) >> 32), (LONG)((lo) & 0xffffffff), S(U(out)).scale, \
  S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres)

#define EXPECTDEC64(scl, sgn, hi, mid, lo) ok(hres == S_OK && \
  S(U(out)).scale == (BYTE)(scl) && S(U(out)).sign == (BYTE)(sgn) && \
  out.Hi32 == (ULONG)(hi) && S1(U1(out)).Mid32 == (ULONG)(mid) && \
  S1(U1(out)).Lo32 == (ULONG)(lo), \
  "expected (%d,%d,%d,(%x %x)), got (%d,%d,%d,(%x %x)) hres 0x%08x\n", \
  scl, sgn, hi, (LONG)(mid), (LONG)(lo), S(U(out)).scale, \
  S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres)

#define EXPECTDECI if (i < 0) EXPECTDEC(0, 0x80, 0, -i); else EXPECTDEC(0, 0, 0, i)

static void test_VarDecFromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarDecFromI1);
  for (i = -128; i < 128; i++)
  {
    CONVERT(VarDecFromI1,i); EXPECTDECI;
  }
}

static void test_VarDecFromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarDecFromI2);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarDecFromI2,i); EXPECTDECI;
  }
}

static void test_VarDecFromI4(void)
{
  CONVVARS(LONG);
  int i;

  CHECKPTR(VarDecFromI4);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarDecFromI4,i); EXPECTDECI;
  }
}

static void test_VarDecFromI8(void)
{
  CONVVARS(LONG64);
  int i;

  CHECKPTR(VarDecFromI8);
  for (i = -32768; i < 32768; i++)
  {
    CONVERT(VarDecFromI8,i); EXPECTDECI;
  }
}

static void test_VarDecFromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarDecFromUI1);
  for (i = 0; i < 256; i++)
  {
    CONVERT(VarDecFromUI1,i); EXPECTDECI;
  }
}

static void test_VarDecFromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarDecFromUI2);
  for (i = 0; i < 65536; i++)
  {
    CONVERT(VarDecFromUI2,i); EXPECTDECI;
  }
}

static void test_VarDecFromUI4(void)
{
  CONVVARS(ULONG);
  int i;

  CHECKPTR(VarDecFromUI4);
  for (i = 0; i < 65536; i++)
  {
    CONVERT(VarDecFromUI4,i); EXPECTDECI;
  }
}

static void test_VarDecFromUI8(void)
{
  CONVVARS(ULONG64);
  int i;

  CHECKPTR(VarDecFromUI8);
  for (i = 0; i < 65536; i++)
  {
    CONVERT(VarDecFromUI8,i); EXPECTDECI;
  }
}

static void test_VarDecFromBool(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarDecFromBool);
  /* Test all possible type values. Note that the result is reduced to 0 or -1 */
  for (i = -32768; i < 0; i++)
  {
    CONVERT(VarDecFromBool,i);
    if (i)
      EXPECTDEC(0,0x80,0,1);
    else
      EXPECTDEC(0,0,0,0);
  }
}

static void test_VarDecFromR4(void)
{
  CONVVARS(float);

  CHECKPTR(VarDecFromR4);

  CONVERT(VarDecFromR4,-0.6f); EXPECTDEC(1,0x80,0,6);
  CONVERT(VarDecFromR4,-0.5f); EXPECTDEC(1,0x80,0,5);
  CONVERT(VarDecFromR4,-0.4f); EXPECTDEC(1,0x80,0,4);
  CONVERT(VarDecFromR4,0.0f);  EXPECTDEC(0,0,0,0);
  CONVERT(VarDecFromR4,0.4f);  EXPECTDEC(1,0,0,4);
  CONVERT(VarDecFromR4,0.5f);  EXPECTDEC(1,0,0,5);
  CONVERT(VarDecFromR4,0.6f);  EXPECTDEC(1,0,0,6);
}

static void test_VarDecFromR8(void)
{
  CONVVARS(double);

  CHECKPTR(VarDecFromR8);

  CONVERT(VarDecFromR8,-0.6); EXPECTDEC(1,0x80,0,6);
  CONVERT(VarDecFromR8,-0.5); EXPECTDEC(1,0x80,0,5);
  CONVERT(VarDecFromR8,-0.4); EXPECTDEC(1,0x80,0,4);
  CONVERT(VarDecFromR8,0.0);  EXPECTDEC(0,0,0,0);
  CONVERT(VarDecFromR8,0.4);  EXPECTDEC(1,0,0,4);
  CONVERT(VarDecFromR8,0.5);  EXPECTDEC(1,0,0,5);
  CONVERT(VarDecFromR8,0.6);  EXPECTDEC(1,0,0,6);
}

static void test_VarDecFromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarDecFromDate);

  CONVERT(VarDecFromDate,-0.6); EXPECTDEC(1,0x80,0,6);
  CONVERT(VarDecFromDate,-0.5); EXPECTDEC(1,0x80,0,5);
  CONVERT(VarDecFromDate,-0.4); EXPECTDEC(1,0x80,0,4);
  CONVERT(VarDecFromDate,0.0);  EXPECTDEC(0,0,0,0);
  CONVERT(VarDecFromDate,0.4);  EXPECTDEC(1,0,0,4);
  CONVERT(VarDecFromDate,0.5);  EXPECTDEC(1,0,0,5);
  CONVERT(VarDecFromDate,0.6);  EXPECTDEC(1,0,0,6);
}

static void test_VarDecFromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  CHECKPTR(VarDecFromStr);

  in = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  CONVERT_STR(VarDecFromStr,NULL,0);                       EXPECT_MISMATCH;
  CONVERT_STR(VarDecFromStr,"-1",  LOCALE_NOUSEROVERRIDE); EXPECTDEC(0,0x80,0,1);
  CONVERT_STR(VarDecFromStr,"0",   LOCALE_NOUSEROVERRIDE); EXPECTDEC(0,0,0,0);
  CONVERT_STR(VarDecFromStr,"1",   LOCALE_NOUSEROVERRIDE); EXPECTDEC(0,0,0,1);
  CONVERT_STR(VarDecFromStr,"0.5", LOCALE_NOUSEROVERRIDE); EXPECTDEC(1,0,0,5);
  CONVERT_STR(VarDecFromStr,"4294967296", LOCALE_NOUSEROVERRIDE); EXPECTDEC64(0,0,0,1,0);
  CONVERT_STR(VarDecFromStr,"18446744073709551616", LOCALE_NOUSEROVERRIDE); EXPECTDEC(0,0,1,0);
  CONVERT_STR(VarDecFromStr,"4294967296.0", LOCALE_NOUSEROVERRIDE); EXPECTDEC64(0,0,0,1,0);
  CONVERT_STR(VarDecFromStr,"18446744073709551616.0", LOCALE_NOUSEROVERRIDE); EXPECTDEC(0,0,1,0);
}

static void test_VarDecFromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarDecFromCy);

  CONVERT_CY(VarDecFromCy, -1);  EXPECTDEC(4,0x80,0,10000);
  CONVERT_CY(VarDecFromCy, 0);   EXPECTDEC(4,0,0,0);
  CONVERT_CY(VarDecFromCy, 1);   EXPECTDEC(4,0,0,10000);
  CONVERT_CY(VarDecFromCy, 0.5); EXPECTDEC(4,0,0,5000);
}

#undef MATHVARS1
#define MATHVARS1 HRESULT hres; DECIMAL l, out
#undef MATHVARS2
#define MATHVARS2 MATHVARS1; DECIMAL r
#undef MATH1
#define MATH1(func) hres = p##func(&l, &out)
#undef MATH2
#define MATH2(func) hres = p##func(&l, &r, &out)

static void test_VarDecAbs(void)
{
  MATHVARS1;

  CHECKPTR(VarDecAbs);
  SETDEC(l,0,0x80,0,1);  MATH1(VarDecAbs); EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0,0,0);     MATH1(VarDecAbs); EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0x80,0,0);  MATH1(VarDecAbs); EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,1);     MATH1(VarDecAbs); EXPECTDEC(0,0,0,1);

  /* Doesn't check for invalid input */
  SETDEC(l,0,0x7f,0,1);  MATH1(VarDecAbs); EXPECTDEC(0,0x7f,0,1);
  SETDEC(l,0,0x80,29,1); MATH1(VarDecAbs); EXPECTDEC(0,0,29,1);
}

static void test_VarDecNeg(void)
{
  MATHVARS1;

  CHECKPTR(VarDecNeg);
  SETDEC(l,0,0x80,0,1); MATH1(VarDecNeg); EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0,0,0);    MATH1(VarDecNeg); EXPECTDEC(0,0x80,0,0); /* '-0'! */
  SETDEC(l,0,0x80,0,0); MATH1(VarDecNeg); EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,1);    MATH1(VarDecNeg); EXPECTDEC(0,0x80,0,1);

  /* Doesn't check for invalid input */
  SETDEC(l,0,0x7f,0,1);  MATH1(VarDecNeg); EXPECTDEC(0,0xff,0,1);
  SETDEC(l,0,0x80,29,1); MATH1(VarDecNeg); EXPECTDEC(0,0,29,1);
  SETDEC(l,0,0,29,1);    MATH1(VarDecNeg); EXPECTDEC(0,0x80,29,1);
}

static void test_VarDecAdd(void)
{
  MATHVARS2;

  CHECKPTR(VarDecAdd);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,0);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd); EXPECTDEC(0,0x80,0,1);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,1);

  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,0);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,2);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd); EXPECTDEC(0,0x80,0,0); /* '-0'! */
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0x80,0,2); MATH2(VarDecAdd); EXPECTDEC(0,0x80,0,1);

  SETDEC(l,0,0x80,0,0); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0x80,0,1); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0x80,0,1); SETDEC(r,0,0,0,2);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0x80,0,1); SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd); EXPECTDEC(0,0x80,0,2);
  SETDEC(l,0,0x80,0,2); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0x80,0,1);

  SETDEC(l,0,0,0,0xffffffff); SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd); EXPECTDEC(0,0,0,0xfffffffe);
  SETDEC(l,0,0,0,0xffffffff); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,(ULONG64)1 << 32);
  SETDEC(l,0,0,0,0xffffffff); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0,(ULONG64)1 << 32);

  SETDEC64(l,0,0,0,0xffffffff,0); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC64(0,0,0,0xffffffff,1);
  SETDEC64(l,0,0,0,0xffffffff,0); SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd);
  EXPECTDEC64(0,0,0,0xfffffffe,0xffffffff);

  SETDEC64(l,0,0,0,0xffffffff,0xffffffff); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,1,0);
  SETDEC64(l,0,0,0,0xffffffff,0xffffffff); SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd);
  EXPECTDEC64(0,0,0,0xffffffff,0xfffffffe);

  SETDEC(l,0,0,0xffffffff,0); SETDEC(r,0,0,0,1);    MATH2(VarDecAdd); EXPECTDEC(0,0,0xffffffff,1);
  SETDEC(l,0,0,0xffffffff,0); SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd);
  EXPECTDEC64(0,0,0xfffffffe,0xffffffff,0xffffffff);

  SETDEC64(l,0,0,0xffffffff,0xffffffff,0xffffffff);SETDEC(r,0,0x80,0,1); MATH2(VarDecAdd);
  EXPECTDEC64(0,0,0xffffffff,0xffffffff,0xfffffffe);
  SETDEC64(l,0,0,0xffffffff,0xffffffff,0xffffffff);SETDEC(r,0,0,0,1); MATH2(VarDecAdd);
  ok(hres == DISP_E_OVERFLOW,"Expected overflow, got (%d,%d,%d,(%8x,%8x)x) hres 0x%08x\n",
     S(U(out)).scale, S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres);

  /* Promotes to the highest scale, so here the results are in the scale of 2 */
  SETDEC(l,2,0,0,0);   SETDEC(r,0,0,0,0); MATH2(VarDecAdd); EXPECTDEC(2,0,0,0);
  SETDEC(l,2,0,0,100); SETDEC(r,0,0,0,1); MATH2(VarDecAdd); EXPECTDEC(2,0,0,200);
}

static void test_VarDecSub(void)
{
  MATHVARS2;

  CHECKPTR(VarDecSub);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,0);    MATH2(VarDecSub); EXPECTDEC(0,0x80,0,0);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,1);    MATH2(VarDecSub); EXPECTDEC(0,0x80,0,1);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,1);    MATH2(VarDecSub); EXPECTDEC(0,0x80,0,0);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0x80,0,1); MATH2(VarDecSub); EXPECTDEC(0,0,0,2);
}

static void test_VarDecMul(void)
{
  MATHVARS2;
  
  CHECKPTR(VarDecMul);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,0);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,0);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,1);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,1);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,1);
  SETDEC(l,0,0,0,45000);SETDEC(r,0,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,90000);
  SETDEC(l,0,0,0,2);    SETDEC(r,0,0,0,45000);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,90000);

  SETDEC(l,0,0x80,0,2); SETDEC(r,0,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(0,0x80,0,4);
  SETDEC(l,0,0,0,2);    SETDEC(r,0,0x80,0,2);  MATH2(VarDecMul);   EXPECTDEC(0,0x80,0,4);
  SETDEC(l,0,0x80,0,2); SETDEC(r,0,0x80,0,2);  MATH2(VarDecMul);   EXPECTDEC(0,0,0,4);

  SETDEC(l,4,0,0,2);    SETDEC(r,0,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(4,0,0,4);
  SETDEC(l,0,0,0,2);    SETDEC(r,3,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(3,0,0,4);
  SETDEC(l,4,0,0,2);    SETDEC(r,3,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(7,0,0,4);
  /* this last one shows that native oleaut32 does *not* gratuitously seize opportunities
     to reduce the scale if possible - the canonical result for the expected value is (6,0,0,1)
   */
  SETDEC(l,4,0,0,5);    SETDEC(r,3,0,0,2);  MATH2(VarDecMul);   EXPECTDEC(7,0,0,10);
  
  SETDEC64(l,0,0,0,0xFFFFFFFF,0xFFFFFFFF);    SETDEC(r,0,0,0,2);  MATH2(VarDecMul);   EXPECTDEC64(0,0,1,0xFFFFFFFF,0xFFFFFFFE);
  SETDEC(l,0,0,0,2);    SETDEC64(r,0,0,0,0xFFFFFFFF,0xFFFFFFFF);  MATH2(VarDecMul);   EXPECTDEC64(0,0,1,0xFFFFFFFF,0xFFFFFFFE);
  SETDEC(l,0,0,1,1);    SETDEC(r,0,0,0,0x80000000);  MATH2(VarDecMul);   EXPECTDEC(0,0,0x80000000,0x80000000);
  SETDEC(l,0,0,0,0x80000000);    SETDEC(r,0,0,1,1);  MATH2(VarDecMul);   EXPECTDEC(0,0,0x80000000,0x80000000);
  
  /* near-overflow, used as a reference */
  SETDEC64(l,0,0,0,0xFFFFFFFF,0xFFFFFFFF);    SETDEC(r,0,0,0,2000000000);  MATH2(VarDecMul);EXPECTDEC64(0,0,1999999999,0xFFFFFFFF,0x88CA6C00);
  /* actual overflow - right operand is 10 times the previous value */
  SETDEC64(l,0,0,0,0xFFFFFFFF,0xFFFFFFFF);    SETDEC64(r,0,0,0,4,0xA817C800);  MATH2(VarDecMul);
  ok(hres == DISP_E_OVERFLOW,"Expected overflow, got (%d,%d,%d,(%8x,%8x)x) hres 0x%08x\n",
     S(U(out)).scale, S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres);
  /* here, native oleaut32 has an opportunity to avert the overflow, by reducing the scale of the result  */
  SETDEC64(l,1,0,0,0xFFFFFFFF,0xFFFFFFFF);    SETDEC64(r,0,0,0,4,0xA817C800);  MATH2(VarDecMul);EXPECTDEC64(0,0,1999999999,0xFFFFFFFF,0x88CA6C00);

  /* near-overflow, used as a reference */
  SETDEC64(l,0,0,1,0xFFFFFFFF,0xFFFFFFFE);    SETDEC(r,0,0,0,1000000000);  MATH2(VarDecMul);EXPECTDEC64(0,0,1999999999,0xFFFFFFFF,0x88CA6C00);
  /* actual overflow - right operand is 10 times the previous value */
  SETDEC64(l,0,0,1,0xFFFFFFFF,0xFFFFFFFE);    SETDEC64(r,0,0,0,2,0x540BE400);  MATH2(VarDecMul);
  ok(hres == DISP_E_OVERFLOW,"Expected overflow, got (%d,%d,%d,(%8x,%8x)x) hres 0x%08x\n",
     S(U(out)).scale, S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres);
  /* here, native oleaut32 has an opportunity to avert the overflow, by reducing the scale of the result  */
  SETDEC64(l,1,0,1,0xFFFFFFFF,0xFFFFFFFE);    SETDEC64(r,0,0,0,2,0x540BE400);  MATH2(VarDecMul);EXPECTDEC64(0,0,1999999999,0xFFFFFFFF,0x88CA6C00);
  
  /* this one shows that native oleaut32 is willing to lose significant digits in order to avert an overflow */
  SETDEC64(l,2,0,0,0xFFFFFFFF,0xFFFFFFFF);    SETDEC64(r,0,0,0,9,0x502F9001);  MATH2(VarDecMul);EXPECTDEC64(1,0,0xee6b2800,0x19999998,0xab2e719a);
}

static void test_VarDecDiv(void)
{
  MATHVARS2;
  
  CHECKPTR(VarDecDiv);
  /* identity divisions */
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,1);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,0);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,1);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,1);
  SETDEC(l,1,0,0,1);    SETDEC(r,0,0,0,1);  MATH2(VarDecDiv);   EXPECTDEC(1,0,0,1);

  /* exact divisions */  
  SETDEC(l,0,0,0,45);    SETDEC(r,0,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,5);
  SETDEC(l,1,0,0,45);    SETDEC(r,0,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(1,0,0,5);
  SETDEC(l,0,0,0,45);    SETDEC(r,1,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,50);
  SETDEC(l,1,0,0,45);    SETDEC(r,2,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,50);
  /* these last three results suggest that native oleaut32 scales both operands down to zero
     before the division, but does *not* try to scale the result, even if it is possible - 
     analogous to multiplication behavior
   */
  SETDEC(l,1,0,0,45);    SETDEC(r,1,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(0,0,0,5);
  SETDEC(l,2,0,0,450);    SETDEC(r,1,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(1,0,0,50);
  
  /* inexact divisions */
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,180700362,0x14b700cb,0x05555555);
  SETDEC(l,1,0,0,1);    SETDEC(r,0,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,18070036,0x35458014,0x4d555555);
  SETDEC(l,0,0,0,1);    SETDEC(r,1,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,1807003620,0xcf2607ee,0x35555555);
  SETDEC(l,1,0,0,1);    SETDEC(r,2,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,1807003620,0xcf2607ee,0x35555555);
  SETDEC(l,1,0,0,1);    SETDEC(r,1,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,180700362,0x14b700cb,0x05555555);
  SETDEC(l,2,0,0,10);    SETDEC(r,1,0,0,3);  MATH2(VarDecDiv);  EXPECTDEC64(28,0,180700362,0x14b700cb,0x05555555);

  /* this one shows that native oleaut32 rounds up the result */
  SETDEC(l,0,0,0,2);    SETDEC(r,0,0,0,3);  MATH2(VarDecDiv);   EXPECTDEC64(28,0,361400724,0x296e0196,0x0aaaaaab);
  
  /* sign tests */
  SETDEC(l,0,0x80,0,45);    SETDEC(r,0,0,0,9);  MATH2(VarDecDiv);   EXPECTDEC(0,0x80,0,5);
  SETDEC(l,0,0,0,45);       SETDEC(r,0,0x80,0,9);  MATH2(VarDecDiv);EXPECTDEC(0,0x80,0,5);
  SETDEC(l,0,0x80,0,45);    SETDEC(r,0,0x80,0,9);  MATH2(VarDecDiv);EXPECTDEC(0,0,0,5);
  
  /* oddballs */
  SETDEC(l,0,0,0,0);    SETDEC(r,0,0,0,0);  MATH2(VarDecDiv);/* indeterminate */
  ok(hres == DISP_E_DIVBYZERO,"Expected division-by-zero, got (%d,%d,%d,(%8x,%8x)x) hres 0x%08x\n",
     S(U(out)).scale, S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres);
  SETDEC(l,0,0,0,1);    SETDEC(r,0,0,0,0);  MATH2(VarDecDiv);/* division by zero */
  ok(hres == DISP_E_DIVBYZERO,"Expected division-by-zero, got (%d,%d,%d,(%8x,%8x)x) hres 0x%08x\n",
     S(U(out)).scale, S(U(out)).sign, out.Hi32, S1(U1(out)).Mid32, S1(U1(out)).Lo32, hres);
  
}

static void test_VarDecCmp(void)
{
  MATHVARS1;

  CHECKPTR(VarDecCmp);

  SETDEC(l,0,0,0,1); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,0,0,1); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,0,1); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(l,0,0,0,1); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,0,1); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,0,1); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,0,1); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(l,0,0,0,0); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,0,0,0); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,0,0,0); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(l,0,0,0,0); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,0,0); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,0,0,0); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(l,0,DECIMAL_NEG,0,0); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(l,0,0,-1,-1); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,-1,-1); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,-1,-1); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_EQ;

  SETDEC(l,0,0,-1,-1); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,-1,-1); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(l,0,0,-1,-1); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,0,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,0,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(l,0,DECIMAL_NEG,-1,-1); SETDEC(out,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_EQ;


  SETDEC(out,0,0,0,1); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,0,0,1); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,0,1); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(out,0,0,0,1); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,0,1); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,0,1); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,0,1); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(out,0,0,0,0); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,0,0,0); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,0,0,0); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(out,0,0,0,0); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,0,0); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,0,0,0); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_EQ;
  SETDEC(out,0,DECIMAL_NEG,0,0); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(out,0,0,-1,-1); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,-1,-1); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,-1,-1); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_EQ;

  SETDEC(out,0,0,-1,-1); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,-1,-1); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_LT;
  SETDEC(out,0,0,-1,-1); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_LT;

  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,0,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,0,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,0,-1,-1); MATH1(VarDecCmp); EXPECT_GT;

  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,DECIMAL_NEG,0,1); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,DECIMAL_NEG,0,0); MATH1(VarDecCmp); EXPECT_GT;
  SETDEC(out,0,DECIMAL_NEG,-1,-1); SETDEC(l,0,DECIMAL_NEG,-1,-1); MATH1(VarDecCmp); EXPECT_EQ;

}

/*
 * VT_BOOL
 */

#undef CONV_TYPE
#define CONV_TYPE VARIANT_BOOL
#undef _EXPECTRES
#define _EXPECTRES(res, x, fs) \
  ok((hres == S_OK && out == (CONV_TYPE)(x)) || ((HRESULT)res != S_OK && hres == (HRESULT)res), \
     "expected " #x ", got " fs "; hres=0x%08x\n", out, hres)
#undef EXPECTRES
#define EXPECTRES(res, x) _EXPECTRES(res, x, "%d")
#undef CONVERTRANGE
#define CONVERTRANGE(func,start,end) for (i = start; i < end; i++) { \
  CONVERT(func, i); if (i) { EXPECT(VARIANT_TRUE); } else { EXPECT(VARIANT_FALSE); } }

static void test_VarBoolFromI1(void)
{
  CONVVARS(signed char);
  int i;

  CHECKPTR(VarBoolFromI1);
  CONVERTRANGE(VarBoolFromI1, -128, 128);
}

static void test_VarBoolFromUI1(void)
{
  CONVVARS(BYTE);
  int i;

  CHECKPTR(VarBoolFromUI1);
  CONVERTRANGE(VarBoolFromUI1, 0, 256);
}

static void test_VarBoolFromI2(void)
{
  CONVVARS(SHORT);
  int i;

  CHECKPTR(VarBoolFromI2);
  CONVERTRANGE(VarBoolFromI2, -32768, 32768);
}

static void test_VarBoolFromUI2(void)
{
  CONVVARS(USHORT);
  int i;

  CHECKPTR(VarBoolFromUI2);
  CONVERTRANGE(VarBoolFromUI2, 0, 65536);
}

static void test_VarBoolFromI4(void)
{
  CONVVARS(int);

  CHECKPTR(VarBoolFromI4);
  CONVERT(VarBoolFromI4, 0x80000000); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromI4, -1);         EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromI4, 0);          EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromI4, 1);          EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromI4, 0x7fffffff); EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromUI4(void)
{
  CONVVARS(ULONG);

  CHECKPTR(VarBoolFromUI4);
  CONVERT(VarBoolFromI4, 0);          EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromI4, 1);          EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromI4, 0x80000000); EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromR4(void)
{
  CONVVARS(FLOAT);

  CHECKPTR(VarBoolFromR4);
  CONVERT(VarBoolFromR4, -1.0f); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 0.0f);  EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromR4, 1.0f);  EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 1.5f);  EXPECT(VARIANT_TRUE);

  /* Rounding */
  CONVERT(VarBoolFromR4, -1.5f); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, -0.6f); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, -0.5f); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, -0.4f); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 0.4f);  EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 0.5f);  EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 0.6f);  EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR4, 1.5f);  EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromR8(void)
{
  CONVVARS(DOUBLE);

  /* Hopefully we made the point with R4 above that rounding is
   * irrelevant, so we'll skip that for R8 and Date
   */
  CHECKPTR(VarBoolFromR8);
  CONVERT(VarBoolFromR8, -1.0); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromR8, -0.0); EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromR8, 1.0);  EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromCy(void)
{
  CONVVARS(CY);

  CHECKPTR(VarBoolFromCy);
  CONVERT_CY(VarBoolFromCy, -32769); EXPECT(VARIANT_TRUE);
  CONVERT_CY(VarBoolFromCy, -32768); EXPECT(VARIANT_TRUE);
  CONVERT_CY(VarBoolFromCy, -1);     EXPECT(VARIANT_TRUE);
  CONVERT_CY(VarBoolFromCy, 0);      EXPECT(VARIANT_FALSE);
  CONVERT_CY(VarBoolFromCy, 1);      EXPECT(VARIANT_TRUE);
  CONVERT_CY(VarBoolFromCy, 32767);  EXPECT(VARIANT_TRUE);
  CONVERT_CY(VarBoolFromCy, 32768);  EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromI8(void)
{
  CONVVARS(LONG64);

  CHECKPTR(VarBoolFromI8);
  CONVERT(VarBoolFromI8, -1); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromI8, 0);  EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromI8, 1);  EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromUI8(void)
{
  CONVVARS(ULONG64);

  CHECKPTR(VarBoolFromUI8);
  CONVERT(VarBoolFromUI8, 0); EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromUI8, 1); EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromDec(void)
{
  CONVVARS(DECIMAL);

  CHECKPTR(VarBoolFromDec);
  CONVERT_BADDEC(VarBoolFromDec);

  if (HAVE_OLEAUT32_DECIMAL)
  {
    /* Early versions of oleaut32 don't catch these errors */
    CONVERT_DEC(VarBoolFromDec,29,0,0,0);   EXPECT_INVALID;
    CONVERT_DEC(VarBoolFromDec,0,0x1,0,0);  EXPECT_INVALID;
    CONVERT_DEC(VarBoolFromDec,0,0x40,0,0); EXPECT_INVALID;
    CONVERT_DEC(VarBoolFromDec,0,0x7f,0,0); EXPECT_INVALID;
  }

  CONVERT_DEC(VarBoolFromDec,0,0x80,0,1); EXPECT(VARIANT_TRUE);
  CONVERT_DEC(VarBoolFromDec,0,0,0,0);    EXPECT(VARIANT_FALSE);
  CONVERT_DEC(VarBoolFromDec,0,0,0,1);    EXPECT(VARIANT_TRUE);
  CONVERT_DEC(VarBoolFromDec,0,0,1,0);    EXPECT(VARIANT_TRUE);

  CONVERT_DEC(VarBoolFromDec,2,0,0,CY_MULTIPLIER);    EXPECT(VARIANT_TRUE);
  CONVERT_DEC(VarBoolFromDec,2,0x80,0,CY_MULTIPLIER); EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromDate(void)
{
  CONVVARS(DATE);

  CHECKPTR(VarBoolFromDate);
  CONVERT(VarBoolFromDate, -1.0); EXPECT(VARIANT_TRUE);
  CONVERT(VarBoolFromDate, -0.0); EXPECT(VARIANT_FALSE);
  CONVERT(VarBoolFromDate, 1.0);  EXPECT(VARIANT_TRUE);
}

static void test_VarBoolFromStr(void)
{
  CONVVARS(LCID);
  OLECHAR buff[128];

  CHECKPTR(VarBoolFromStr);

  in = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  CONVERT_STR(VarBoolFromStr,NULL,0);
  if (hres != E_INVALIDARG)
    EXPECT_MISMATCH;

  /* #FALSE# and #TRUE# Are always accepted */
  CONVERT_STR(VarBoolFromStr,"#FALSE#",0); EXPECT(VARIANT_FALSE);
  CONVERT_STR(VarBoolFromStr,"#TRUE#",0);  EXPECT(VARIANT_TRUE);

  /* Match of #FALSE# and #TRUE# is case sensitive */
  CONVERT_STR(VarBoolFromStr,"#False#",0); EXPECT_MISMATCH;
  /* But match against English is not */
  CONVERT_STR(VarBoolFromStr,"false",0);   EXPECT(VARIANT_FALSE);
  CONVERT_STR(VarBoolFromStr,"False",0);   EXPECT(VARIANT_FALSE);
  /* On/Off and yes/no are not acceptable inputs, with any flags set */
  CONVERT_STR(VarBoolFromStr,"On",0xffffffff);  EXPECT_MISMATCH;
  CONVERT_STR(VarBoolFromStr,"Yes",0xffffffff); EXPECT_MISMATCH;

  /* Change the LCID. This doesn't make any difference for text,unless we ask
   * to check local boolean text with the VARIANT_LOCALBOOL flag. */
  in = MAKELCID(MAKELANGID(LANG_FRENCH, SUBLANG_DEFAULT), SORT_DEFAULT);

  /* #FALSE# and #TRUE# are accepted in all locales */
  CONVERT_STR(VarBoolFromStr,"#FALSE#",0); EXPECT(VARIANT_FALSE);
  CONVERT_STR(VarBoolFromStr,"#TRUE#",0);  EXPECT(VARIANT_TRUE);
  CONVERT_STR(VarBoolFromStr,"#FALSE#",VARIANT_LOCALBOOL); EXPECT(VARIANT_FALSE);
  CONVERT_STR(VarBoolFromStr,"#TRUE#",VARIANT_LOCALBOOL);  EXPECT(VARIANT_TRUE);

  /* English is accepted regardless of the locale */
  CONVERT_STR(VarBoolFromStr,"false",0); EXPECT(VARIANT_FALSE);
  /* And is still not case sensitive */
  CONVERT_STR(VarBoolFromStr,"False",0); EXPECT(VARIANT_FALSE);

  if (HAVE_OLEAUT32_LOCALES)
  {
    /* French is rejected without VARIANT_LOCALBOOL */
    CONVERT_STR(VarBoolFromStr,"faux",0); EXPECT_MISMATCH;
    /* But accepted if this flag is given */
    CONVERT_STR(VarBoolFromStr,"faux",VARIANT_LOCALBOOL); EXPECT(VARIANT_FALSE);
    /* Regardless of case - from this we assume locale text comparisons ignore case */
    CONVERT_STR(VarBoolFromStr,"Faux",VARIANT_LOCALBOOL); EXPECT(VARIANT_FALSE);

    /* Changing the locale prevents the localised text from being compared -
     * this demonstrates that only the indicated LCID and English are searched */
    in = MAKELCID(MAKELANGID(LANG_POLISH, SUBLANG_DEFAULT), SORT_DEFAULT);
    CONVERT_STR(VarBoolFromStr,"faux",VARIANT_LOCALBOOL); EXPECT_MISMATCH;
  }

  /* Numeric strings are read as 0 or non-0 */
  CONVERT_STR(VarBoolFromStr,"0",0);  EXPECT(VARIANT_FALSE);
  CONVERT_STR(VarBoolFromStr,"-1",0); EXPECT(VARIANT_TRUE);
  CONVERT_STR(VarBoolFromStr,"+1",0); EXPECT(VARIANT_TRUE);

  if (HAVE_OLEAUT32_LOCALES)
  {
    /* Numeric strings are read as floating point numbers. The line below fails
     * because '.' is not a valid decimal separator for Polish numbers */
    CONVERT_STR(VarBoolFromStr,"0.1",LOCALE_NOUSEROVERRIDE); EXPECT_MISMATCH;
  }

  /* Changing the lcid back to US English reads the r8 correctly */
  in = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
  CONVERT_STR(VarBoolFromStr,"0.1",LOCALE_NOUSEROVERRIDE); EXPECT(VARIANT_TRUE);
}

static void test_VarBoolCopy(void)
{
  COPYTEST(1, VT_BOOL, V_BOOL(&vSrc), V_BOOL(&vDst), V_BOOLREF(&vSrc), V_BOOLREF(&vDst), "%d");
}

#define BOOL_STR(flags, str) hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, flags, VT_BSTR); \
  ok(hres == S_OK && V_VT(&vDst) == VT_BSTR && \
     V_BSTR(&vDst) && !memcmp(V_BSTR(&vDst), str, sizeof(str)), \
     "hres=0x%X, type=%d (should be VT_BSTR), *bstr='%c'\n", \
     hres, V_VT(&vDst), V_BSTR(&vDst) ? *V_BSTR(&vDst) : '?')

static void test_VarBoolChangeTypeEx(void)
{
  static const WCHAR szTrue[] = { 'T','r','u','e','\0' };
  static const WCHAR szFalse[] = { 'F','a','l','s','e','\0' };
  static const WCHAR szFaux[] = { 'F','a','u','x','\0' };
  CONVVARS(CONV_TYPE);
  VARIANTARG vSrc, vDst;
  LCID lcid;

  in = 1;

  INITIAL_TYPETEST(VT_BOOL, V_BOOL, "%d");
  COMMON_TYPETEST;

  /* The common tests convert to a number. Try the different flags */
  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  V_VT(&vSrc) = VT_BOOL;
  V_BOOL(&vSrc) = 1;

  if (!IS_ANCIENT)
  {
      BOOL_STR(VARIANT_ALPHABOOL, szTrue);
      V_BOOL(&vSrc) = 0;
      BOOL_STR(VARIANT_ALPHABOOL, szFalse);
  }

  if (HAVE_OLEAUT32_LOCALES)
  {
    lcid = MAKELCID(MAKELANGID(LANG_FRENCH, SUBLANG_DEFAULT), SORT_DEFAULT);

    /* VARIANT_ALPHABOOL is always English */
    BOOL_STR(VARIANT_ALPHABOOL, szFalse);
    /* VARIANT_LOCALBOOL uses the localised text */
    BOOL_STR(VARIANT_LOCALBOOL, szFaux);
    /* Both flags together acts as VARIANT_LOCALBOOL */
    BOOL_STR(VARIANT_ALPHABOOL|VARIANT_LOCALBOOL, szFaux);
  }
}

/*
 * BSTR
 */

static void test_VarBstrFromR4(void)
{
  static const WCHAR szNative[] = { '6','5','4','3','2','2','.','3','\0' };
  static const WCHAR szZero[] = {'0', '\0'};
  static const WCHAR szOneHalf_English[] = { '0','.','5','\0' };    /* uses period */
  static const WCHAR szOneHalf_Spanish[] = { '0',',','5','\0' };    /* uses comma */
  LCID lcid;
  LCID lcid_spanish;
  HRESULT hres;
  BSTR bstr = NULL;

  float f;

  CHECKPTR(VarBstrFromR4);

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);
  lcid_spanish = MAKELCID(MAKELANGID(LANG_SPANISH, SUBLANG_SPANISH), SORT_DEFAULT);
  f = 654322.23456f;
  hres = pVarBstrFromR4(f, lcid, 0, &bstr);
  ok(hres == S_OK, "got hres 0x%08x\n", hres);
  if (bstr)
  {
    todo_wine {
    /* MSDN states that rounding of R4/R8 is dependent on the underlying
     * bit pattern of the number and so is architecture dependent. In this
     * case Wine returns .2 (which is more correct) and Native returns .3
     */
    ok(memcmp(bstr, szNative, sizeof(szNative)) == 0, "string different\n");
    }
  }

  f = -0.0;
  hres = pVarBstrFromR4(f, lcid, 0, &bstr);
  ok(hres == S_OK, "got hres 0x%08x\n", hres);
  if (bstr)
  {
    ok(memcmp(bstr, szZero, sizeof(szZero)) == 0, "negative zero (got %s)\n", wtoascii(bstr));
  }
  
  /* The following tests that lcid is used for decimal separator even without LOCALE_USE_NLS */
  f = 0.5;
  hres = pVarBstrFromR4(f, lcid, LOCALE_NOUSEROVERRIDE, &bstr);
  ok(hres == S_OK, "got hres 0x%08x\n", hres);
  if (bstr)
  {
    ok(memcmp(bstr, szOneHalf_English, sizeof(szOneHalf_English)) == 0, "English locale failed (got %s)\n", wtoascii(bstr));
  }
  f = 0.5;
  hres = pVarBstrFromR4(f, lcid_spanish, LOCALE_NOUSEROVERRIDE, &bstr);
  ok(hres == S_OK, "got hres 0x%08x\n", hres);
  if (bstr)
  {
    ok(memcmp(bstr, szOneHalf_Spanish, sizeof(szOneHalf_Spanish)) == 0, "Spanish locale failed (got %s)\n", wtoascii(bstr));
  }
}

#define BSTR_DATE(dt,str) SysFreeString(bstr); bstr = NULL; \
  hres = pVarBstrFromDate(dt,lcid,LOCALE_NOUSEROVERRIDE,&bstr); \
  if (bstr) WideCharToMultiByte(CP_ACP, 0, bstr, -1, buff, sizeof(buff), 0, 0); \
  else buff[0] = 0; \
  ok(hres == S_OK && !strcmp(str,buff), "Expected '%s', got '%s', hres = 0x%08x\n", \
     str, buff, hres)

static void test_VarBstrFromDate(void)
{
  char buff[256];
  LCID lcid;
  HRESULT hres;
  BSTR bstr = NULL;

  CHECKPTR(VarBstrFromDate);
  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  BSTR_DATE(0.0, "12:00:00 AM");
  BSTR_DATE(3.34, "1/2/1900 8:09:36 AM");
  BSTR_DATE(3339.34, "2/20/1909 8:09:36 AM");
  BSTR_DATE(365.00, "12/30/1900");
  BSTR_DATE(365.25, "12/30/1900 6:00:00 AM");
  BSTR_DATE(1461.0, "12/31/1903");
  BSTR_DATE(1461.5, "12/31/1903 12:00:00 PM");
  todo_wine { BSTR_DATE(-657434.0, "1/1/100"); }
  BSTR_DATE(2958465.0, "12/31/9999");
}

#define BSTR_CY(l, a, b, e) \
  S(l).Lo = b; S(l).Hi = a; \
  hres = pVarBstrFromCy(l, lcid, LOCALE_NOUSEROVERRIDE, &bstr);\
  ok(hres == S_OK, "got hres 0x%08x\n", hres);\
  if (hres== S_OK && bstr)\
  {\
    ok(lstrcmpW(bstr, e) == 0, "invalid number (got %s)\n", wtoascii(bstr));\
  }

static void test_VarBstrFromCy(void)
{
  LCID lcid;
  HRESULT hres;
  BSTR bstr = NULL;
  CY l;

  static const WCHAR szZero[] = {'0', '\0'};
  static const WCHAR szOne[] = {'1', '\0'};
  static const WCHAR szOnePointFive[] = {'1','.','5','\0'};
  static const WCHAR szMinusOnePointFive[] = {'-','1','.','5','\0'};
  static const WCHAR szBigNum1[] = {'4','2','9','4','9','6','.','7','2','9','5','\0'};    /* (1 << 32) - 1 / 1000 */
  static const WCHAR szBigNum2[] = {'4','2','9','4','9','6','.','7','2','9','6','\0'};    /* (1 << 32) / 1000 */
  static const WCHAR szBigNum3[] = {'9','2','2','3','3','7','2','0','3','6','8','5','4','7','7','.','5','8','0','7','\0'};    /* ((1 << 63) - 1)/10000 */

  static const WCHAR szSmallNumber_English[] = {'0','.','0','0','0','9','\0'};
  static const WCHAR szSmallNumber_Spanish[] = {'0',',','0','0','0','9','\0'};

  CHECKPTR(VarBstrFromCy);
  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  /* check zero */
  BSTR_CY(l, 0,0, szZero);

  /* check one */
  BSTR_CY(l, 0, 10000, szOne);

  /* check one point five */
  BSTR_CY(l, 0, 15000, szOnePointFive);

  /* check minus one point five */
  BSTR_CY(l, 0xffffffff, ((15000)^0xffffffff)+1, szMinusOnePointFive);

  /* check bignum (1) */
  BSTR_CY(l, 0, 0xffffffff, szBigNum1);

  /* check bignum (2) */
  BSTR_CY(l, 1,0, szBigNum2);

  /* check bignum (3) */
  BSTR_CY(l, 0x7fffffff,0xffffffff, szBigNum3);

  /* check leading zeros and decimal sep. for English locale */
  BSTR_CY(l, 0,9, szSmallNumber_English);

  lcid = MAKELCID(MAKELANGID(LANG_SPANISH, SUBLANG_DEFAULT), SORT_DEFAULT);

  /* check leading zeros and decimal sep. for Spanish locale */
  BSTR_CY(l, 0,9, szSmallNumber_Spanish);
}

#undef BSTR_CY

#define BSTR_DEC(l, a, b, c, d, e) \
  SETDEC(l, a,b,c,d);\
  hres = pVarBstrFromDec(&l, lcid, LOCALE_NOUSEROVERRIDE, &bstr);\
  ok(hres == S_OK, "got hres 0x%08x\n", hres);\
  if (hres== S_OK && bstr)\
  {\
    ok(lstrcmpW(bstr, e) == 0, "invalid number (got %s)\n", wtoascii(bstr));\
  }

#define BSTR_DEC64(l, a, b, c, x, d, e) \
  SETDEC64(l, a,b,c,x,d);\
  hres = pVarBstrFromDec(&l, lcid, LOCALE_NOUSEROVERRIDE, &bstr);\
  ok(hres == S_OK, "got hres 0x%08x\n", hres);\
  if (hres== S_OK && bstr)\
  {\
    ok(lstrcmpW(bstr, e) == 0, "invalid number (got %s)\n", wtoascii(bstr));\
  }

static void test_VarBstrFromDec(void)
{
  LCID lcid;
  HRESULT hres;
  BSTR bstr = NULL;
  DECIMAL l;

  static const WCHAR szZero[] = {'0', '\0'};
  static const WCHAR szOne[] = {'1', '\0'};
  static const WCHAR szOnePointFive[] = {'1','.','5','\0'};
  static const WCHAR szMinusOnePointFive[] = {'-','1','.','5','\0'};
  static const WCHAR szBigNum1[] = {'4','2','9','4','9','6','7','2','9','5','\0'};    /* (1 << 32) - 1 */
  static const WCHAR szBigNum2[] = {'4','2','9','4','9','6','7','2','9','6','\0'};    /* (1 << 32) */
  static const WCHAR szBigNum3[] = {'1','8','4','4','6','7','4','4','0','7','3','7','0','9','5','5','1','6','1','5','\0'};    /* (1 << 64) - 1 */
  static const WCHAR szBigNum4[] = {'1','8','4','4','6','7','4','4','0','7','3','7','0','9','5','5','1','6','1','6','\0'};    /* (1 << 64) */
  static const WCHAR szBigNum5[] = {'7','9','2','2','8','1','6','2','5','1','4','2','6','4','3','3','7','5','9','3','5','4','3','9','5','0','3','3','5','\0'};    /* (1 << 96) - 1 */
  static const WCHAR szBigScale1[] = {'0','.','0','0','0','0','0','0','0','0','0','1','\0'};    /* 1 * 10^-10 */
  static const WCHAR szBigScale2[] = {'7','9','2','2','8','1','6','2','5','1','4','2','6','4','3','3','7','5','9','.','3','5','4','3','9','5','0','3','3','5','\0'};    /* ((1 << 96) - 1) * 10^-10 */
  static const WCHAR szBigScale3[] = {'7','.','9','2','2','8','1','6','2','5','1','4','2','6','4','3','3','7','5','9','3','5','4','3','9','5','0','3','3','5','\0'};    /* ((1 << 96) - 1) * 10^-28 */

  static const WCHAR szSmallNumber_English[] = {'0','.','0','0','0','9','\0'};
  static const WCHAR szSmallNumber_Spanish[] = {'0',',','0','0','0','9','\0'};

  CHECKPTR(VarBstrFromDec);
  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);

  /* check zero */
  BSTR_DEC(l, 0,0,0,0, szZero);
  
  /* check one */
  BSTR_DEC(l, 0,0,0,1, szOne);
  BSTR_DEC(l, 1,0,0,10,szOne);
  BSTR_DEC(l, 2,0,0,100,szOne);
  BSTR_DEC(l, 3,0,0,1000,szOne);

  /* check one point five */
  BSTR_DEC(l, 1,0,0,15, szOnePointFive);
  BSTR_DEC(l, 2,0,0,150, szOnePointFive);
  BSTR_DEC(l, 3,0,0,1500, szOnePointFive);

  /* check minus one point five */
  BSTR_DEC(l, 1,0x80,0,15, szMinusOnePointFive);

  /* check bignum (1) */
  BSTR_DEC(l, 0,0,0,0xffffffff, szBigNum1);

  /* check bignum (2) */
  BSTR_DEC64(l, 0,0,0,1,0, szBigNum2);

  /* check bignum (3) */
  BSTR_DEC64(l, 0,0,0,0xffffffff,0xffffffff, szBigNum3);

  /* check bignum (4) */
  BSTR_DEC(l, 0,0,1,0, szBigNum4);

  /* check bignum (5) */
  BSTR_DEC64(l, 0,0,0xffffffff,0xffffffff,0xffffffff, szBigNum5);

  /* check bigscale (1) */
  BSTR_DEC(l, 10,0,0,1, szBigScale1);

  /* check bigscale (2) */
  BSTR_DEC64(l, 10,0,0xffffffffUL,0xffffffff,0xffffffff, szBigScale2);

  /* check bigscale (3) */
  BSTR_DEC64(l, 28,0,0xffffffffUL,0xffffffff,0xffffffff, szBigScale3);

  /* check leading zeros and decimal sep. for English locale */
  BSTR_DEC(l, 4,0,0,9, szSmallNumber_English);
  BSTR_DEC(l, 5,0,0,90, szSmallNumber_English);
  BSTR_DEC(l, 6,0,0,900, szSmallNumber_English);
  BSTR_DEC(l, 7,0,0,9000, szSmallNumber_English);
  
  lcid = MAKELCID(MAKELANGID(LANG_SPANISH, SUBLANG_DEFAULT), SORT_DEFAULT);
  
  /* check leading zeros and decimal sep. for Spanish locale */
  BSTR_DEC(l, 4,0,0,9, szSmallNumber_Spanish);
  BSTR_DEC(l, 5,0,0,90, szSmallNumber_Spanish);
  BSTR_DEC(l, 6,0,0,900, szSmallNumber_Spanish);
  BSTR_DEC(l, 7,0,0,9000, szSmallNumber_Spanish);
}
#undef BSTR_DEC
#undef BSTR_DEC64

#define _VARBSTRCMP(left,right,lcid,flags,result) \
        hres = pVarBstrCmp(left,right,lcid,flags); \
        ok(hres == result, "VarBstrCmp: expected " #result ", got hres=0x%x\n", hres)
#define VARBSTRCMP(left,right,flags,result) \
        _VARBSTRCMP(left,right,lcid,flags,result)

static void test_VarBstrCmp(void)
{
    LCID lcid;
    HRESULT hres;
    static const WCHAR sz[] = {'W','u','r','s','c','h','t','\0'};
    static const WCHAR szempty[] = {'\0'};
    static const WCHAR sz1[] = { 'a',0 };
    static const WCHAR sz2[] = { 'A',0 };
    static const WCHAR s1[] = { 'a',0 };
    static const WCHAR s2[] = { 'a',0,'b' };
    static const char sb1[] = {1,0,1};
    static const char sb2[] = {1,0,2};
    static const char sbchr0[] = {0,0};
    static const char sbchr00[] = {0,0,0};
    BSTR bstr, bstrempty, bstr2;

    CHECKPTR(VarBstrCmp);
    
    lcid = MAKELCID(MAKELANGID(LANG_ENGLISH,SUBLANG_ENGLISH_US),SORT_DEFAULT);
    bstr = SysAllocString(sz);
    bstrempty = SysAllocString(szempty);
    
    /* NULL handling. Yepp, MSDN is totally wrong here */
    VARBSTRCMP(NULL,NULL,0,VARCMP_EQ);
    VARBSTRCMP(bstr,NULL,0,VARCMP_GT);
    VARBSTRCMP(NULL,bstr,0,VARCMP_LT);

    /* NULL and empty string comparisons */
    VARBSTRCMP(bstrempty,NULL,0,VARCMP_EQ);
    VARBSTRCMP(NULL,bstrempty,0,VARCMP_EQ);

    SysFreeString(bstr);
    bstr = SysAllocString(sz1);

    bstr2 = SysAllocString(sz2);
    VARBSTRCMP(bstr,bstr2,0,VARCMP_LT);
    VARBSTRCMP(bstr,bstr2,NORM_IGNORECASE,VARCMP_EQ);
    SysFreeString(bstr2);
    /* These two strings are considered equal even though one is
     * NULL-terminated and the other not.
     */
    bstr2 = SysAllocStringLen(s1, sizeof(s1) / sizeof(WCHAR));
    VARBSTRCMP(bstr,bstr2,0,VARCMP_EQ);
    SysFreeString(bstr2);

    /* These two strings are not equal */
    bstr2 = SysAllocStringLen(s2, sizeof(s2) / sizeof(WCHAR));
    VARBSTRCMP(bstr,bstr2,0,VARCMP_LT);
    SysFreeString(bstr2);

    SysFreeString(bstr);

    bstr = SysAllocStringByteLen(sbchr0, sizeof(sbchr0));
    bstr2 = SysAllocStringByteLen(sbchr0, sizeof(sbchr00));
    VARBSTRCMP(bstr,bstrempty,0,VARCMP_GT);
    VARBSTRCMP(bstrempty,bstr,0,VARCMP_LT);
    VARBSTRCMP(bstr2,bstrempty,0,VARCMP_GT);
    VARBSTRCMP(bstr2,bstr,0,VARCMP_EQ);
    SysFreeString(bstr2);
    SysFreeString(bstr);

    /* When (LCID == 0) it should be a binary comparison
     * so these two strings could not match.
     */
    bstr = SysAllocStringByteLen(sb1, sizeof(sb1));
    bstr2 = SysAllocStringByteLen(sb2, sizeof(sb2));
    lcid = 0;
    VARBSTRCMP(bstr,bstr2,0,VARCMP_LT);
    SysFreeString(bstr2);
    SysFreeString(bstr);

    bstr = SysAllocStringByteLen(sbchr0, sizeof(sbchr0));
    bstr2 = SysAllocStringByteLen(sbchr0, sizeof(sbchr00));
    VARBSTRCMP(bstr,bstrempty,0,VARCMP_GT);
    VARBSTRCMP(bstrempty,bstr,0,VARCMP_LT);
    VARBSTRCMP(bstr2,bstrempty,0,VARCMP_GT);
    VARBSTRCMP(bstr2,bstr,0,VARCMP_GT);
    SysFreeString(bstr2);
    SysFreeString(bstr);
}

/* Get the internal representation of a BSTR */
static inline LPINTERNAL_BSTR Get(const BSTR lpszString)
{
  return lpszString ? (LPINTERNAL_BSTR)((char*)lpszString - sizeof(DWORD)) : NULL;
}

static inline BSTR GetBSTR(const LPINTERNAL_BSTR bstr)
{
  return (BSTR)bstr->szString;
}

static void test_SysStringLen(void)
{
  INTERNAL_BSTR bstr;
  BSTR str = GetBSTR(&bstr);

  bstr.dwLen = 0;
  ok (SysStringLen(str) == 0, "Expected dwLen 0, got %d\n", SysStringLen(str));
  bstr.dwLen = 2;
  ok (SysStringLen(str) == 1, "Expected dwLen 1, got %d\n", SysStringLen(str));
}

static void test_SysStringByteLen(void)
{
  INTERNAL_BSTR bstr;
  BSTR str = GetBSTR(&bstr);

  bstr.dwLen = 0;
  ok (SysStringByteLen(str) == 0, "Expected dwLen 0, got %d\n", SysStringByteLen(str));
  bstr.dwLen = 2;
  ok (SysStringByteLen(str) == 2, "Expected dwLen 2, got %d\n", SysStringByteLen(str));
}

static void test_SysAllocString(void)
{
  const OLECHAR szTest[5] = { 'T','e','s','t','\0' };
  BSTR str;

  str = SysAllocString(NULL);
  ok (str == NULL, "Expected NULL, got %p\n", str);

  str = SysAllocString(szTest);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 8, "Expected 8, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szTest), "String different\n");
    SysFreeString(str);
  }
}

static void test_SysAllocStringLen(void)
{
  const OLECHAR szTest[5] = { 'T','e','s','t','\0' };
  BSTR str;

  /* Very early native dlls do not limit the size of strings, so skip this test */
  if (0)
  {
  str = SysAllocStringLen(szTest, 0x80000000);
  todo_wine {
  ok (str == NULL, "Expected NULL, got %p\n", str);
  }
  }
  
  str = SysAllocStringLen(NULL, 0);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 0, "Expected 0, got %d\n", bstr->dwLen);
    ok (!bstr->szString[0], "String not empty\n");
    SysFreeString(str);
  }

  str = SysAllocStringLen(szTest, 4);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 8, "Expected 8, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szTest), "String different\n");
    SysFreeString(str);
  }
}

static void test_SysAllocStringByteLen(void)
{
  const OLECHAR szTest[10] = { 'T','e','s','t','\0' };
  const CHAR szTestA[6] = { 'T','e','s','t','\0','?' };
  BSTR str;

  if (sizeof(void *) == 4)  /* not limited to 0x80000000 on Win64 */
  {
      str = SysAllocStringByteLen(szTestA, 0x80000000);
      ok (str == NULL, "Expected NULL, got %p\n", str);
  }

  str = SysAllocStringByteLen(szTestA, 0xffffffff);
  ok (str == NULL, "Expected NULL, got %p\n", str);

  str = SysAllocStringByteLen(NULL, 0);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 0, "Expected 0, got %d\n", bstr->dwLen);
    ok (!bstr->szString[0], "String not empty\n");
    SysFreeString(str);
  }

  str = SysAllocStringByteLen(szTestA, 4);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 4, "Expected 4, got %d\n", bstr->dwLen);
    ok (!lstrcmpA((LPCSTR)bstr->szString, szTestA), "String different\n");
    SysFreeString(str);
  }

  /* Odd lengths are allocated rounded up, but truncated at the right position */
  str = SysAllocStringByteLen(szTestA, 3);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    const CHAR szTestTruncA[4] = { 'T','e','s','\0' };
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 3, "Expected 3, got %d\n", bstr->dwLen);
    ok (!lstrcmpA((LPCSTR)bstr->szString, szTestTruncA), "String different\n");
    SysFreeString(str);
  }

  str = SysAllocStringByteLen((LPCSTR)szTest, 8);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr = Get(str);

    ok (bstr->dwLen == 8, "Expected 8, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szTest), "String different\n");
    SysFreeString(str);
  }
}

static void test_SysReAllocString(void)
{
  const OLECHAR szTest[5] = { 'T','e','s','t','\0' };
  const OLECHAR szSmaller[2] = { 'x','\0' };
  const OLECHAR szLarger[7] = { 'L','a','r','g','e','r','\0' };
  BSTR str;

  str = SysAllocStringLen(szTest, 4);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr;
    BSTR oldstr = str;
    int changed;

    bstr = Get(str);
    ok (bstr->dwLen == 8, "Expected 8, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szTest), "String different\n");

    changed = SysReAllocString(&str, szSmaller);
    ok (changed == 1, "Expected 1, got %d\n", changed);
    /* Vista creates a new string, but older versions reuse the existing string. */
    /*ok (str == oldstr, "Created new string\n");*/
    bstr = Get(str);
    ok (bstr->dwLen == 2, "Expected 2, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szSmaller), "String different\n");

    oldstr = str;
    changed = SysReAllocString(&str, szLarger);
    ok (changed == 1, "Expected 1, got %d\n", changed);
    /* Early versions always make new strings rather than resizing */
    /* ok (str == oldstr, "Created new string\n"); */
    bstr = Get(str);
    ok (bstr->dwLen == 12, "Expected 12, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szLarger), "String different\n");

    SysFreeString(str);
  }
}

static void test_SysReAllocStringLen(void)
{
  const OLECHAR szTest[5] = { 'T','e','s','t','\0' };
  const OLECHAR szSmaller[2] = { 'x','\0' };
  const OLECHAR szLarger[7] = { 'L','a','r','g','e','r','\0' };
  BSTR str;

  str = SysAllocStringLen(szTest, 4);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    LPINTERNAL_BSTR bstr;
    BSTR oldstr = str;
    int changed;

    bstr = Get(str);
    ok (bstr->dwLen == 8, "Expected 8, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szTest), "String different\n");

    changed = SysReAllocStringLen(&str, szSmaller, 1);
    ok (changed == 1, "Expected 1, got %d\n", changed);
    /* Vista creates a new string, but older versions reuse the existing string. */
    /*ok (str == oldstr, "Created new string\n");*/
    bstr = Get(str);
    ok (bstr->dwLen == 2, "Expected 2, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szSmaller), "String different\n");

    oldstr = str;
    changed = SysReAllocStringLen(&str, szLarger, 6);
    ok (changed == 1, "Expected 1, got %d\n", changed);
    /* Early versions always make new strings rather than resizing */
    /* ok (str == oldstr, "Created new string\n"); */
    bstr = Get(str);
    ok (bstr->dwLen == 12, "Expected 12, got %d\n", bstr->dwLen);
    ok (!lstrcmpW(bstr->szString, szLarger), "String different\n");

    changed = SysReAllocStringLen(&str, str, 6);
    ok (changed == 1, "Expected 1, got %d\n", changed);

    SysFreeString(str);
  }
}

static void test_BstrCopy(void)
{
  const CHAR szTestA[6] = { 'T','e','s','t','\0','?' };
  const CHAR szTestTruncA[4] = { 'T','e','s','\0' };
  LPINTERNAL_BSTR bstr;
  BSTR str;
  HRESULT hres;
  VARIANT vt1, vt2;

  str = SysAllocStringByteLen(szTestA, 3);
  ok (str != NULL, "Expected non-NULL\n");
  if (str)
  {
    V_VT(&vt1) = VT_BSTR;
    V_BSTR(&vt1) = str;
    V_VT(&vt2) = VT_EMPTY;
    hres = VariantCopy(&vt2, &vt1);
    ok (hres == S_OK,"Failed to copy binary bstring with hres 0x%08x\n", hres);
    bstr = Get(V_BSTR(&vt2));
    ok (bstr->dwLen == 3, "Expected 3, got %d\n", bstr->dwLen);
    ok (!lstrcmpA((LPCSTR)bstr->szString, szTestTruncA), "String different\n");
  }
}

static void test_VarBstrCat(void)
{
    static const WCHAR sz1[] = { 'a',0 };
    static const WCHAR sz2[] = { 'b',0 };
    static const WCHAR sz1sz2[] = { 'a','b',0 };
    static const WCHAR s1[] = { 'a',0 };
    static const WCHAR s2[] = { 'b',0 };
    static const WCHAR s1s2[] = { 'a',0,'b',0 };
    HRESULT ret;
    BSTR str1, str2, res;

    /* Crash
    ret = VarBstrCat(NULL, NULL, NULL);
     */

    /* Concatenation of two NULL strings works */
    ret = VarBstrCat(NULL, NULL, &res);
    ok(ret == S_OK, "VarBstrCat failed: %08x\n", ret);
    ok(res != NULL, "Expected a string\n");
    ok(SysStringLen(res) == 0, "Expected a 0-length string\n");
    SysFreeString(res);

    str1 = SysAllocString(sz1);

    /* Concatenation with one NULL arg */
    ret = VarBstrCat(NULL, str1, &res);
    ok(ret == S_OK, "VarBstrCat failed: %08x\n", ret);
    ok(res != NULL, "Expected a string\n");
    ok(SysStringLen(res) == SysStringLen(str1), "Unexpected length\n");
    ok(!memcmp(res, sz1, SysStringLen(str1)), "Unexpected value\n");
    SysFreeString(res);
    ret = VarBstrCat(str1, NULL, &res);
    ok(ret == S_OK, "VarBstrCat failed: %08x\n", ret);
    ok(res != NULL, "Expected a string\n");
    ok(SysStringLen(res) == SysStringLen(str1), "Unexpected length\n");
    ok(!memcmp(res, sz1, SysStringLen(str1)), "Unexpected value\n");
    SysFreeString(res);

    /* Concatenation of two zero-terminated strings */
    str2 = SysAllocString(sz2);
    ret = VarBstrCat(str1, str2, &res);
    ok(ret == S_OK, "VarBstrCat failed: %08x\n", ret);
    ok(res != NULL, "Expected a string\n");
    ok(SysStringLen(res) == sizeof(sz1sz2) / sizeof(WCHAR) - 1,
     "Unexpected length\n");
    ok(!memcmp(res, sz1sz2, sizeof(sz1sz2)), "Unexpected value\n");
    SysFreeString(res);

    SysFreeString(str2);
    SysFreeString(str1);

    /* Concatenation of two strings with embedded NULLs */
    str1 = SysAllocStringLen(s1, sizeof(s1) / sizeof(WCHAR));
    str2 = SysAllocStringLen(s2, sizeof(s2) / sizeof(WCHAR));

    ret = VarBstrCat(str1, str2, &res);
    ok(ret == S_OK, "VarBstrCat failed: %08x\n", ret);
    ok(res != NULL, "Expected a string\n");
    ok(SysStringLen(res) == sizeof(s1s2) / sizeof(WCHAR),
     "Unexpected length\n");
    ok(!memcmp(res, s1s2, sizeof(s1s2)), "Unexpected value\n");
    SysFreeString(res);

    SysFreeString(str2);
    SysFreeString(str1);
}

/* IUnknown */

static void test_IUnknownClear(void)
{
  HRESULT hres;
  VARIANTARG v;
  DummyDispatch u = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IUnknown* pu = (IUnknown*)&u;

  /* Test that IUnknown_Release is called on by-value */
  V_VT(&v) = VT_UNKNOWN;
  V_UNKNOWN(&v) = (IUnknown*)&u;
  hres = VariantClear(&v);
  ok(hres == S_OK && u.ref == 0 && V_VT(&v) == VT_EMPTY,
     "clear unknown: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 0, VT_EMPTY, hres, u.ref, V_VT(&v));

  /* But not when clearing a by-reference*/
  u.ref = 1;
  V_VT(&v) = VT_UNKNOWN|VT_BYREF;
  V_UNKNOWNREF(&v) = &pu;
  hres = VariantClear(&v);
  ok(hres == S_OK && u.ref == 1 && V_VT(&v) == VT_EMPTY,
     "clear dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 1, VT_EMPTY, hres, u.ref, V_VT(&v));
}

static void test_IUnknownCopy(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  DummyDispatch u = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IUnknown* pu = (IUnknown*)&u;

  /* AddRef is called on by-value copy */
  VariantInit(&vDst);
  V_VT(&vSrc) = VT_UNKNOWN;
  V_UNKNOWN(&vSrc) = pu;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && u.ref == 2 && V_VT(&vDst) == VT_UNKNOWN,
     "copy unknown: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_EMPTY, hres, u.ref, V_VT(&vDst));

  /* AddRef is skipped on copy of by-reference IDispatch */
  VariantInit(&vDst);
  u.ref = 1;
  V_VT(&vSrc) = VT_UNKNOWN|VT_BYREF;
  V_UNKNOWNREF(&vSrc) = &pu;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && u.ref == 1 && V_VT(&vDst) == (VT_UNKNOWN|VT_BYREF),
     "copy unknown: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 1, VT_DISPATCH, hres, u.ref, V_VT(&vDst));

  /* AddRef is called copying by-reference IDispatch with indirection */
  VariantInit(&vDst);
  u.ref = 1;
  V_VT(&vSrc) = VT_UNKNOWN|VT_BYREF;
  V_UNKNOWNREF(&vSrc) = &pu;
  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK && u.ref == 2 && V_VT(&vDst) == VT_UNKNOWN,
     "copy unknown: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_DISPATCH, hres, u.ref, V_VT(&vDst));

  /* Indirection in place also calls AddRef */
  u.ref = 1;
  V_VT(&vSrc) = VT_UNKNOWN|VT_BYREF;
  V_UNKNOWNREF(&vSrc) = &pu;
  hres = VariantCopyInd(&vSrc, &vSrc);
  ok(hres == S_OK && u.ref == 2 && V_VT(&vSrc) == VT_UNKNOWN,
     "copy unknown: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_DISPATCH, hres, u.ref, V_VT(&vSrc));
}

static void test_IUnknownChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  LCID lcid;
  VARTYPE vt;
  DummyDispatch u = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IUnknown* pu = (IUnknown*)&u;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  V_VT(&vSrc) = VT_UNKNOWN;
  V_UNKNOWN(&vSrc) = pu;

  /* =>IDispatch in place */
  hres = VariantChangeTypeEx(&vSrc, &vSrc, lcid, 0, VT_DISPATCH);
  ok(hres == S_OK && u.ref == 1 &&
     V_VT(&vSrc) == VT_DISPATCH && V_DISPATCH(&vSrc) == (IDispatch*)pu,
     "change unk(src=src): expected 0x%08x,%d,%d,%p, got 0x%08x,%d,%d,%p\n",
     S_OK, 1, VT_DISPATCH, pu, hres, u.ref, V_VT(&vSrc), V_DISPATCH(&vSrc));

  /* =>IDispatch */
  u.ref = 1;
  V_VT(&vSrc) = VT_UNKNOWN;
  V_UNKNOWN(&vSrc) = pu;
  VariantInit(&vDst);
  hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, VT_UNKNOWN);
  /* Note vSrc is not cleared, as final refcount is 2 */
  ok(hres == S_OK && u.ref == 2 &&
     V_VT(&vDst) == VT_UNKNOWN && V_UNKNOWN(&vDst) == pu,
     "change unk(src,dst): expected 0x%08x,%d,%d,%p, got 0x%08x,%d,%d,%p\n",
     S_OK, 2, VT_UNKNOWN, pu, hres, u.ref, V_VT(&vDst), V_UNKNOWN(&vDst));

  /* Can't change unknown to anything else */
  for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
  {
    HRESULT hExpected = DISP_E_BADVARTYPE;

    V_VT(&vSrc) = VT_UNKNOWN;
    V_UNKNOWN(&vSrc) = pu;
    VariantInit(&vDst);

    if (vt == VT_UNKNOWN || vt == VT_DISPATCH || vt == VT_EMPTY || vt == VT_NULL)
      hExpected = S_OK;
    else
    {
      if (vt == VT_I8 || vt == VT_UI8)
      {
        if (HAVE_OLEAUT32_I8)
          hExpected = DISP_E_TYPEMISMATCH;
      }
      else if (vt == VT_RECORD)
      {
        if (HAVE_OLEAUT32_RECORD)
          hExpected = DISP_E_TYPEMISMATCH;
      }
      else if (vt  >= VT_I2 && vt <= VT_UINT && vt != (VARTYPE)15)
        hExpected = DISP_E_TYPEMISMATCH;
    }
    if (IS_ANCIENT && IS_MODERN_VTYPE(vt))
        hExpected = DISP_E_BADVARTYPE;

    hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, vt);
    ok(hres == hExpected,
       "change unk(badvar): vt %d expected 0x%08x, got 0x%08x\n",
       vt, hExpected, hres);
  }
}

/* IDispatch */
static void test_IDispatchClear(void)
{
  HRESULT hres;
  VARIANTARG v;
  DummyDispatch d = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IDispatch* pd = (IDispatch*)&d;

  /* As per IUnknown */

  V_VT(&v) = VT_DISPATCH;
  V_DISPATCH(&v) = pd;
  hres = VariantClear(&v);
  ok(hres == S_OK && d.ref == 0 && V_VT(&v) == VT_EMPTY,
     "clear dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 0, VT_EMPTY, hres, d.ref, V_VT(&v));

  d.ref = 1;
  V_VT(&v) = VT_DISPATCH|VT_BYREF;
  V_DISPATCHREF(&v) = &pd;
  hres = VariantClear(&v);
  ok(hres == S_OK && d.ref == 1 && V_VT(&v) == VT_EMPTY,
     "clear dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 1, VT_EMPTY, hres, d.ref, V_VT(&v));
}

static void test_IDispatchCopy(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  DummyDispatch d = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IDispatch* pd = (IDispatch*)&d;

  /* As per IUnknown */

  VariantInit(&vDst);
  V_VT(&vSrc) = VT_DISPATCH;
  V_DISPATCH(&vSrc) = pd;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && d.ref == 2 && V_VT(&vDst) == VT_DISPATCH,
     "copy dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_EMPTY, hres, d.ref, V_VT(&vDst));

  VariantInit(&vDst);
  d.ref = 1;
  V_VT(&vSrc) = VT_DISPATCH|VT_BYREF;
  V_DISPATCHREF(&vSrc) = &pd;
  hres = VariantCopy(&vDst, &vSrc);
  ok(hres == S_OK && d.ref == 1 && V_VT(&vDst) == (VT_DISPATCH|VT_BYREF),
     "copy dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 1, VT_DISPATCH, hres, d.ref, V_VT(&vDst));

  VariantInit(&vDst);
  d.ref = 1;
  V_VT(&vSrc) = VT_DISPATCH|VT_BYREF;
  V_DISPATCHREF(&vSrc) = &pd;
  hres = VariantCopyInd(&vDst, &vSrc);
  ok(hres == S_OK && d.ref == 2 && V_VT(&vDst) == VT_DISPATCH,
     "copy dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_DISPATCH, hres, d.ref, V_VT(&vDst));

  d.ref = 1;
  V_VT(&vSrc) = VT_DISPATCH|VT_BYREF;
  V_DISPATCHREF(&vSrc) = &pd;
  hres = VariantCopyInd(&vSrc, &vSrc);
  ok(hres == S_OK && d.ref == 2 && V_VT(&vSrc) == VT_DISPATCH,
     "copy dispatch: expected 0x%08x, %d, %d, got 0x%08x, %d, %d\n",
     S_OK, 2, VT_DISPATCH, hres, d.ref, V_VT(&vSrc));
}

static void test_IDispatchChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  LCID lcid;
  DummyDispatch d = { &DummyDispatch_VTable, 1, VT_UI1, FALSE };
  IDispatch* pd = (IDispatch*)&d;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  V_VT(&vSrc) = VT_DISPATCH;
  V_DISPATCH(&vSrc) = pd;

  /* =>IUnknown in place */
  hres = VariantChangeTypeEx(&vSrc, &vSrc, lcid, 0, VT_UNKNOWN);
  ok(hres == S_OK && d.ref == 1 &&
     V_VT(&vSrc) == VT_UNKNOWN && V_UNKNOWN(&vSrc) == (IUnknown*)pd,
     "change disp(src=src): expected 0x%08x,%d,%d,%p, got 0x%08x,%d,%d,%p\n",
     S_OK, 1, VT_UNKNOWN, pd, hres, d.ref, V_VT(&vSrc), V_UNKNOWN(&vSrc));

  /* =>IUnknown */
  d.ref = 1;
  V_VT(&vSrc) = VT_DISPATCH;
  V_DISPATCH(&vSrc) = pd;
  VariantInit(&vDst);
  hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, VT_UNKNOWN);
  /* Note vSrc is not cleared, as final refcount is 2 */
  ok(hres == S_OK && d.ref == 2 &&
     V_VT(&vDst) == VT_UNKNOWN && V_UNKNOWN(&vDst) == (IUnknown*)pd,
     "change disp(src,dst): expected 0x%08x,%d,%d,%p, got 0x%08x,%d,%d,%p\n",
     S_OK, 2, VT_UNKNOWN, pd, hres, d.ref, V_VT(&vDst), V_UNKNOWN(&vDst));

  /* FIXME: Verify that VARIANT_NOVALUEPROP prevents conversion to integral
   *        types. this requires that the xxxFromDisp tests work first.
   */
}

/* VT_ERROR */
static void test_ErrorChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  VARTYPE vt;
  LCID lcid;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
  {
    HRESULT hExpected = DISP_E_BADVARTYPE;

    V_VT(&vSrc) = VT_ERROR;
    V_ERROR(&vSrc) = 1;
    VariantInit(&vDst);
    hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, vt);

    if (vt == VT_ERROR)
      hExpected = S_OK;
    else
    {
      if (vt == VT_I8 || vt == VT_UI8)
      {
        if (HAVE_OLEAUT32_I8)
          hExpected = DISP_E_TYPEMISMATCH;
      }
      else if (vt == VT_RECORD)
      {
        if (HAVE_OLEAUT32_RECORD)
          hExpected = DISP_E_TYPEMISMATCH;
      }
      else if (vt <= VT_UINT && vt != (VARTYPE)15)
        hExpected = DISP_E_TYPEMISMATCH;
    }
    if (IS_ANCIENT && IS_MODERN_VTYPE(vt))
        hExpected = DISP_E_BADVARTYPE;

    ok(hres == hExpected,
     "change err: vt %d expected 0x%08x, got 0x%08x\n", vt, hExpected, hres);
  }
}

/* VT_EMPTY */
static void test_EmptyChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  VARTYPE vt;
  LCID lcid;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
  {
    HRESULT hExpected = DISP_E_BADVARTYPE;

    VariantInit(&vSrc);
    memset(&vDst, 0, sizeof(vDst));
    V_VT(&vDst) = VT_EMPTY;

    if (vt == VT_I8 || vt == VT_UI8)
    {
      if (HAVE_OLEAUT32_I8)
        hExpected = S_OK;
    }
    else if (vt == VT_RECORD)
    {
      if (HAVE_OLEAUT32_RECORD)
        hExpected = DISP_E_TYPEMISMATCH;
    }
    else if (vt == VT_VARIANT || vt == VT_DISPATCH ||
              vt == VT_UNKNOWN || vt == VT_ERROR)
    {
      hExpected = DISP_E_TYPEMISMATCH;
    }
    else if (vt <= VT_UINT && vt != (VARTYPE)15)
      hExpected = S_OK;

    if (IS_ANCIENT && IS_MODERN_VTYPE(vt))
        hExpected = DISP_E_BADVARTYPE;

    hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, vt);

    ok(hres == hExpected && (hres != S_OK || V_VT(&vDst) == vt),
       "change empty: vt %d expected 0x%08x, got 0x%08x, vt %d\n",
       vt, hExpected, hres, V_VT(&vDst));
  }
}

/* VT_NULL */
static void test_NullChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  VARTYPE vt;
  LCID lcid;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  for (vt = 0; vt <= VT_BSTR_BLOB; vt++)
  {
    HRESULT hExpected = DISP_E_BADVARTYPE;

    VariantInit(&vSrc);
    V_VT(&vSrc) = VT_NULL;
    memset(&vDst, 0, sizeof(vDst));
    V_VT(&vDst) = VT_EMPTY;

    if (vt == VT_I8 || vt == VT_UI8)
    {
      if (HAVE_OLEAUT32_I8)
        hExpected = DISP_E_TYPEMISMATCH;
    }
    else if (vt == VT_RECORD)
    {
      if (HAVE_OLEAUT32_RECORD)
        hExpected = DISP_E_TYPEMISMATCH;
    }
    else if (vt == VT_NULL)
    {
      hExpected = S_OK;
    }
    else if (vt == VT_VARIANT || vt == VT_DISPATCH ||
              vt == VT_UNKNOWN || vt == VT_ERROR ||
              (vt <= VT_UINT && vt != (VARTYPE)15))
      hExpected = DISP_E_TYPEMISMATCH;

    if (IS_ANCIENT && IS_MODERN_VTYPE(vt))
        hExpected = DISP_E_BADVARTYPE;

    hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, vt);

    ok(hres == hExpected && (hres != S_OK || V_VT(&vDst) == vt),
       "change null: vt %d expected 0x%08x, got 0x%08x, vt %d\n",
       vt, hExpected, hres, V_VT(&vDst));
  }
}

 
/* VT_UINT */
static void test_UintChangeTypeEx(void)
{
  HRESULT hres;
  VARIANTARG vSrc, vDst;
  LCID lcid;

  lcid = MAKELCID(MAKELANGID(LANG_ENGLISH, SUBLANG_ENGLISH_US), SORT_DEFAULT);

  /* Converting a VT_UINT to a VT_INT does not check for overflow */
  V_VT(&vDst) = VT_EMPTY;
  V_VT(&vSrc) = VT_UINT;
  V_UI4(&vSrc) = -1;
  hres = VariantChangeTypeEx(&vDst, &vSrc, lcid, 0, VT_I4);
  ok(hres == S_OK && V_VT(&vDst) == VT_I4 && V_I4(&vDst) == -1,
     "change uint: Expected %d,0x%08x,%d got %d,0x%08x,%d\n",
     VT_I4, S_OK, -1, V_VT(&vDst), hres, V_I4(&vDst));
}

#define NUM_CUST_ITEMS 16

static void test_ClearCustData(void)
{
  CUSTDATA ci;
  unsigned i;

  CHECKPTR(ClearCustData);

  ci.cCustData = NUM_CUST_ITEMS;
  ci.prgCustData = CoTaskMemAlloc( sizeof(CUSTDATAITEM) * NUM_CUST_ITEMS );
  for (i = 0; i < NUM_CUST_ITEMS; i++)
    VariantInit(&ci.prgCustData[i].varValue);
  pClearCustData(&ci);
  ok(!ci.cCustData && !ci.prgCustData, "ClearCustData didn't clear fields!\n");
}

static void test_NullByRef(void)
{
  VARIANT v1, v2;
  HRESULT hRes;

  VariantInit(&v1);
  VariantInit(&v2);
  V_VT(&v1) = VT_BYREF|VT_VARIANT;
  V_BYREF(&v1) = 0;

  hRes = VariantChangeTypeEx(&v2, &v1, 0, 0, VT_I4);
  ok(hRes == DISP_E_TYPEMISMATCH, "VariantChangeTypeEx should return DISP_E_TYPEMISMATCH\n");

  VariantClear(&v1);
  V_VT(&v1) = VT_BYREF|VT_VARIANT;
  V_BYREF(&v1) = 0;
  V_VT(&v2) = VT_I4;
  V_I4(&v2) = 123;

  hRes = VariantChangeTypeEx(&v2, &v1, 0, 0, VT_VARIANT);
  ok(hRes == DISP_E_TYPEMISMATCH, "VariantChangeTypeEx should return DISP_E_TYPEMISMATCH\n");
  ok(V_VT(&v2) == VT_I4 && V_I4(&v2) == 123, "VariantChangeTypeEx shouldn't change pvargDest\n");

  hRes = VariantChangeTypeEx(&v2, &v1, 0, 0, VT_BYREF|VT_I4);
  ok(hRes == DISP_E_TYPEMISMATCH, "VariantChangeTypeEx should return DISP_E_TYPEMISMATCH\n");

  hRes = VariantChangeTypeEx(&v2, &v1, 0, 0, 0x3847);
  ok(hRes == DISP_E_BADVARTYPE, "VariantChangeTypeEx should return DISP_E_BADVARTYPE\n");
}

/* Dst Variant should remain unchanged if VariantChangeType cannot convert */
static void test_ChangeType_keep_dst(void)
{
     VARIANT v1, v2;
     BSTR bstr;
     static const WCHAR testW[] = {'t','e','s','t',0};
     HRESULT hres;

     bstr = SysAllocString(testW);
     VariantInit(&v1);
     VariantInit(&v2);
     V_VT(&v1) = VT_BSTR;
     V_BSTR(&v1) = bstr;
     hres = VariantChangeTypeEx(&v1, &v1, 0, 0, VT_INT);
     ok(hres == DISP_E_TYPEMISMATCH, "VariantChangeTypeEx returns %08x\n", hres);
     ok(V_VT(&v1) == VT_BSTR && V_BSTR(&v1) == bstr, "VariantChangeTypeEx changed dst variant\n");
     V_VT(&v2) = VT_INT;
     V_INT(&v2) = 4;
     hres = VariantChangeTypeEx(&v2, &v1, 0, 0, VT_INT);
     ok(hres == DISP_E_TYPEMISMATCH, "VariantChangeTypeEx returns %08x\n", hres);
     ok(V_VT(&v2) == VT_INT && V_INT(&v2) == 4, "VariantChangeTypeEx changed dst variant\n");     
     SysFreeString(bstr);
}

START_TEST(vartype)
{
  hOleaut32 = GetModuleHandleA("oleaut32.dll");

  trace("LCID's: System=0x%08x, User=0x%08x\n", GetSystemDefaultLCID(),
        GetUserDefaultLCID());

  test_VarI1FromI2();
  test_VarI1FromI4();
  test_VarI1FromI8();
  test_VarI1FromUI1();
  test_VarI1FromUI2();
  test_VarI1FromUI4();
  test_VarI1FromUI8();
  test_VarI1FromBool();
  test_VarI1FromR4();
  test_VarI1FromR8();
  test_VarI1FromDate();
  test_VarI1FromCy();
  test_VarI1FromDec();
  test_VarI1FromStr();
  test_VarUI1FromDisp();
  test_VarI1Copy();
  test_VarI1ChangeTypeEx();

  test_VarUI1FromI1();
  test_VarUI1FromI2();
  test_VarUI1FromI4();
  test_VarUI1FromI8();
  test_VarUI1FromUI2();
  test_VarUI1FromUI4();
  test_VarUI1FromUI8();
  test_VarUI1FromBool();
  test_VarUI1FromR4();
  test_VarUI1FromR8();
  test_VarUI1FromDate();
  test_VarUI1FromCy();
  test_VarUI1FromDec();
  test_VarUI1FromStr();
  test_VarUI1Copy();
  test_VarUI1ChangeTypeEx();

  test_VarI2FromI1();
  test_VarI2FromI4();
  test_VarI2FromI8();
  test_VarI2FromUI1();
  test_VarI2FromUI2();
  test_VarI2FromUI4();
  test_VarI2FromUI8();
  test_VarI2FromBool();
  test_VarI2FromR4();
  test_VarI2FromR8();
  test_VarI2FromDate();
  test_VarI2FromCy();
  test_VarI2FromDec();
  test_VarI2FromStr();
  test_VarI2Copy();
  test_VarI2ChangeTypeEx();

  test_VarUI2FromI1();
  test_VarUI2FromI2();
  test_VarUI2FromI4();
  test_VarUI2FromI8();
  test_VarUI2FromUI1();
  test_VarUI2FromUI4();
  test_VarUI2FromUI8();
  test_VarUI2FromBool();
  test_VarUI2FromR4();
  test_VarUI2FromR8();
  test_VarUI2FromDate();
  test_VarUI2FromCy();
  test_VarUI2FromDec();
  test_VarUI2FromStr();
  test_VarUI2Copy();
  test_VarUI2ChangeTypeEx();

  test_VarI4FromI1();
  test_VarI4FromI2();
  test_VarI4FromI8();
  test_VarI4FromUI1();
  test_VarI4FromUI2();
  test_VarI4FromUI4();
  test_VarI4FromUI8();
  test_VarI4FromBool();
  test_VarI4FromR4();
  test_VarI4FromR8();
  test_VarI4FromDate();
  test_VarI4FromCy();
  test_VarI4FromDec();
  test_VarI4FromStr();
  test_VarI4Copy();
  test_VarI4ChangeTypeEx();

  test_VarUI4FromI1();
  test_VarUI4FromI2();
  test_VarUI4FromUI2();
  test_VarUI4FromI8();
  test_VarUI4FromUI1();
  test_VarUI4FromI4();
  test_VarUI4FromUI8();
  test_VarUI4FromBool();
  test_VarUI4FromR4();
  test_VarUI4FromR8();
  test_VarUI4FromDate();
  test_VarUI4FromCy();
  test_VarUI4FromDec();
  test_VarUI4FromStr();
  test_VarUI4Copy();
  test_VarUI4ChangeTypeEx();

  test_VarI8FromI1();
  test_VarI8FromUI1();
  test_VarI8FromI2();
  test_VarI8FromUI2();
  test_VarI8FromUI4();
  test_VarI8FromR4();
  test_VarI8FromR8();
  test_VarI8FromBool();
  test_VarI8FromUI8();
  test_VarI8FromCy();
  test_VarI8FromDec();
  test_VarI8FromDate();
  test_VarI8FromStr();
  test_VarI8Copy();
  test_VarI8ChangeTypeEx();

  test_VarUI8FromI1();
  test_VarUI8FromUI1();
  test_VarUI8FromI2();
  test_VarUI8FromUI2();
  test_VarUI8FromUI4();
  test_VarUI8FromR4();
  test_VarUI8FromR8();
  test_VarUI8FromBool();
  test_VarUI8FromI8();
  test_VarUI8FromCy();
  test_VarUI8FromDec();
  test_VarUI8FromDate();
  test_VarUI8FromStr();
  test_VarUI8Copy();
  test_VarUI8ChangeTypeEx();

  test_VarR4FromI1();
  test_VarR4FromUI1();
  test_VarR4FromI2();
  test_VarR4FromUI2();
  test_VarR4FromI4();
  test_VarR4FromUI4();
  test_VarR4FromR8();
  test_VarR4FromBool();
  test_VarR4FromCy();
  test_VarR4FromI8();
  test_VarR4FromUI8();
  test_VarR4FromDec();
  test_VarR4FromDate();
  test_VarR4FromStr();
  test_VarR4Copy();
  test_VarR4ChangeTypeEx();

  test_VarR8FromI1();
  test_VarR8FromUI1();
  test_VarR8FromI2();
  test_VarR8FromUI2();
  test_VarR8FromI4();
  test_VarR8FromUI4();
  test_VarR8FromR4();
  test_VarR8FromBool();
  test_VarR8FromCy();
  test_VarR8FromI8();
  test_VarR8FromUI8();
  test_VarR8FromDec();
  test_VarR8FromDate();
  test_VarR8FromStr();
  test_VarR8Copy();
  test_VarR8ChangeTypeEx();
  test_VarR8Round();

  test_VarDateFromI1();
  test_VarDateFromUI1();
  test_VarDateFromI2();
  test_VarDateFromUI2();
  test_VarDateFromI4();
  test_VarDateFromUI4();
  test_VarDateFromR4();
  test_VarDateFromR8();
  test_VarDateFromBool();
  test_VarDateFromCy();
  test_VarDateFromI8();
  test_VarDateFromUI8();
  test_VarDateFromDec();
  test_VarDateFromStr();
  test_VarDateCopy();
  test_VarDateChangeTypeEx();

  test_VarCyFromI1();
  test_VarCyFromUI1();
  test_VarCyFromI2();
  test_VarCyFromUI2();
  test_VarCyFromI4();
  test_VarCyFromUI4();
  test_VarCyFromR4();
  test_VarCyFromR8();
  test_VarCyFromBool();
  test_VarCyFromI8();
  test_VarCyFromUI8();
  test_VarCyFromDec();
  test_VarCyFromDate();

  test_VarCyAdd();
  test_VarCyMul();
  test_VarCySub();
  test_VarCyAbs();
  test_VarCyNeg();
  test_VarCyMulI4();
  test_VarCyMulI8();
  test_VarCyCmp();
  test_VarCyCmpR8();
  test_VarCyRound();
  test_VarCyFix();
  test_VarCyInt();

  test_VarDecFromI1();
  test_VarDecFromI2();
  test_VarDecFromI4();
  test_VarDecFromI8();
  test_VarDecFromUI1();
  test_VarDecFromUI2();
  test_VarDecFromUI4();
  test_VarDecFromUI8();
  test_VarDecFromR4();
  test_VarDecFromR8();
  test_VarDecFromDate();
  test_VarDecFromStr();
  test_VarDecFromCy();
  test_VarDecFromDate();
  test_VarDecFromBool();

  test_VarDecAbs();
  test_VarDecNeg();
  test_VarDecAdd();
  test_VarDecSub();
  test_VarDecCmp();
  test_VarDecMul();
  test_VarDecDiv();

  test_VarBoolFromI1();
  test_VarBoolFromUI1();
  test_VarBoolFromI2();
  test_VarBoolFromUI2();
  test_VarBoolFromI4();
  test_VarBoolFromUI4();
  test_VarBoolFromR4();
  test_VarBoolFromR8();
  test_VarBoolFromCy();
  test_VarBoolFromI8();
  test_VarBoolFromUI8();
  test_VarBoolFromDec();
  test_VarBoolFromDate();
  test_VarBoolFromStr();
  test_VarBoolCopy();
  test_VarBoolChangeTypeEx();

  test_VarBstrFromR4();
  test_VarBstrFromDate();
  test_VarBstrFromCy();
  test_VarBstrFromDec();
  test_VarBstrCmp();
  test_SysStringLen();
  test_SysStringByteLen();
  test_SysAllocString();
  test_SysAllocStringLen();
  test_SysAllocStringByteLen();
  test_SysReAllocString();
  test_SysReAllocStringLen();
  test_BstrCopy();
  test_VarBstrCat();

  test_IUnknownClear();
  test_IUnknownCopy();
  test_IUnknownChangeTypeEx();

  test_IDispatchClear();
  test_IDispatchCopy();
  test_IDispatchChangeTypeEx();

  test_ErrorChangeTypeEx();
  test_EmptyChangeTypeEx();
  test_NullChangeTypeEx();
  test_UintChangeTypeEx();

  test_ClearCustData();

  test_NullByRef();
  test_ChangeType_keep_dst();
}