/*
 * Conformance tests for *printf functions.
 *
 * Copyright 2002 Uwe Bonnes
 * Copyright 2004 Aneurin Price
 * Copyright 2005 Mike McCormack
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
 
#include <stdio.h>

#include "wine/test.h"

static void test_sprintf( void )
{
    char buffer[100];
    const char *format;
    double pnumber=789456123;
    int x, r;
    WCHAR wide[] = { 'w','i','d','e',0};

    format = "%+#23.15e";
    r = sprintf(buffer,format,pnumber);
    todo_wine {
    ok(!strcmp(buffer,"+7.894561230000000e+008"),"exponent format incorrect\n");
    }
    ok( r==23, "return count wrong\n");

    todo_wine {
    format = "%I64d";
    r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
    ok(!strcmp(buffer,"-8589934591"),"Problem with long long\n");
    ok( r==11, "return count wrong\n");
    }

    format = "%lld";
    r = sprintf(buffer,format,((ULONGLONG)0xffffffff)*0xffffffff);
    ok(!strcmp(buffer, "1"), "Problem with \"ll\" interpretation\n");
    ok( r==1, "return count wrong\n");

    format = "%S";
    r = sprintf(buffer,format,wide);
    ok(!strcmp(buffer,"wide"),"Problem with wide string format\n");
    ok( r==4, "return count wrong\n");

    format = "%04c";
    r = sprintf(buffer,format,'1');
    ok(!strcmp(buffer,"0001"),"Character not zero-prefixed \"%s\"\n",buffer);
    ok( r==4, "return count wrong\n");

    format = "%p";
    r = sprintf(buffer,format,(void *)57);
    ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
    ok( r==8, "return count wrong\n");

    format = "%#012p";
    r = sprintf(buffer,format,(void *)57);
    ok(!strcmp(buffer,"  0X00000039"),"Pointer formatted incorrectly\n");
    ok( r==12, "return count wrong\n");

    format = "%Fp";
    r = sprintf(buffer,format,(void *)57);
    ok(!strcmp(buffer,"00000039"),"Pointer formatted incorrectly \"%s\"\n",buffer);
    ok( r==8, "return count wrong\n");

    format = "%04s";
    r = sprintf(buffer,format,"foo");
    ok(!strcmp(buffer,"0foo"),"String not zero-prefixed \"%s\"\n",buffer);
    ok( r==4, "return count wrong\n");

    format = "%.1s";
    r = sprintf(buffer,format,"foo");
    ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
    ok( r==1, "return count wrong\n");

    format = "%.*s";
    r = sprintf(buffer,format,1,"foo");
    ok(!strcmp(buffer,"f"),"Precision ignored \"%s\"\n",buffer);
    ok( r==1, "return count wrong\n");

    format = "%#-012p";
    r = sprintf(buffer,format,(void *)57);
    ok(!strcmp(buffer,"0X00000039  "),"Pointer formatted incorrectly\n");
    ok( r==12, "return count wrong\n");

    format = "hello";
    r = sprintf(buffer, format);
    ok(!strcmp(buffer,"hello"), "failed\n");
    ok( r==5, "return count wrong\n");

    format = "%ws";
    r = sprintf(buffer, format, wide);
    ok(!strcmp(buffer,"wide"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%-10ws";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"wide      "), "failed\n");
    ok( r==10, "return count wrong\n");

    format = "%10ws";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"      wide"), "failed\n");
    ok( r==10, "return count wrong\n");

    format = "%#+ -03whlls";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"wide"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%w0s";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"0s"), "failed\n");
    ok( r==2, "return count wrong\n");

    format = "%w-s";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"-s"), "failed\n");
    ok( r==2, "return count wrong\n");

    format = "%ls";
    r = sprintf(buffer, format, wide );
    ok(!strcmp(buffer,"wide"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%Ls";
    r = sprintf(buffer, format, "not wide" );
    ok(!strcmp(buffer,"not wide"), "failed\n");
    ok( r==8, "return count wrong\n");

    format = "%b";
    r = sprintf(buffer, format);
    ok(!strcmp(buffer,"b"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "%3c";
    r = sprintf(buffer, format,'a');
    ok(!strcmp(buffer,"  a"), "failed\n");
    ok( r==3, "return count wrong\n");

    format = "%3d";
    r = sprintf(buffer, format,1234);
    ok(!strcmp(buffer,"1234"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%3h";
    r = sprintf(buffer, format);
    ok(!strcmp(buffer,""), "failed\n");
    ok( r==0, "return count wrong\n");

    format = "%j%k%m%q%r%t%v%y%z";
    r = sprintf(buffer, format);
    ok(!strcmp(buffer,"jkmqrtvyz"), "failed\n");
    ok( r==9, "return count wrong\n");

    format = "asdf%n";
    x = 0;
    r = sprintf(buffer, format, &x );
    ok(x == 4, "should write to x\n");
    ok(!strcmp(buffer,"asdf"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%-1d";
    r = sprintf(buffer, format,2);
    ok(!strcmp(buffer,"2"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "%2.4f";
    r = sprintf(buffer, format,8.6);
    ok(!strcmp(buffer,"8.6000"), "failed\n");
    ok( r==6, "return count wrong\n");

    todo_wine {
    format = "%2.4e";
    r = sprintf(buffer, format,8.6);
    ok(!strcmp(buffer,"8.6000e+000"), "failed\n");
    ok( r==11, "return count wrong\n");
    }

    format = "%2.4g";
    r = sprintf(buffer, format,8.6);
    ok(!strcmp(buffer,"8.6"), "failed\n");
    ok( r==3, "return count wrong\n");

    format = "%-i";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,"-1"), "failed\n");
    ok( r==2, "return count wrong\n");

    format = "%-i";
    r = sprintf(buffer, format,1);
    ok(!strcmp(buffer,"1"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "%+i";
    r = sprintf(buffer, format,1);
    ok(!strcmp(buffer,"+1"), "failed\n");
    ok( r==2, "return count wrong\n");

    format = "%o";
    r = sprintf(buffer, format,10);
    ok(!strcmp(buffer,"12"), "failed\n");
    ok( r==2, "return count wrong\n");

    format = "%p";
    r = sprintf(buffer, format,0);
    ok(!strcmp(buffer,"00000000"), "failed\n");
    ok( r==8, "return count wrong\n");

    format = "%s";
    r = sprintf(buffer, format,0);
    ok(!strcmp(buffer,"(null)"), "failed\n");
    ok( r==6, "return count wrong\n");

    format = "%s";
    r = sprintf(buffer, format,"%%%%");
    ok(!strcmp(buffer,"%%%%"), "failed\n");
    ok( r==4, "return count wrong\n");

    format = "%u";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,"4294967295"), "failed\n");
    ok( r==10, "return count wrong\n");

    format = "%w";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,""), "failed\n");
    ok( r==0, "return count wrong\n");

    format = "%h";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,""), "failed\n");
    ok( r==0, "return count wrong\n");

    format = "%z";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,"z"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "%j";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,"j"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "%F";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,""), "failed\n");
    ok( r==0, "return count wrong\n");

    format = "%H";
    r = sprintf(buffer, format,-1);
    ok(!strcmp(buffer,"H"), "failed\n");
    ok( r==1, "return count wrong\n");

    format = "x%cx";
    r = sprintf(buffer, format, 0x100+'X');
    ok(!strcmp(buffer,"xXx"), "failed\n");
    ok( r==3, "return count wrong\n");
}

static void test_swprintf( void )
{
    wchar_t buffer[100];
    const wchar_t I64d[] = {'%','I','6','4','d',0};
    double pnumber=789456123;
    const wchar_t TwentyThreePoint15e[]= {'%','+','#','2','3','.','1','5','e',0};
    const wchar_t e008[] = {'e','+','0','0','8',0};
    const char string[]={'s','t','r','i','n','g',0};
    const wchar_t S[]={'%','S',0};
    swprintf(buffer,TwentyThreePoint15e,pnumber);
    todo_wine
      {
        ok(wcsstr(buffer,e008) != 0,"Sprintf different\n");
      }
    swprintf(buffer,I64d,((ULONGLONG)0xffffffff)*0xffffffff);
    todo_wine
      {
        ok(wcslen(buffer) == 11,"Problem with long long\n");
      }
    swprintf(buffer,S,string);
      ok(wcslen(buffer) == 6,"Problem with \"%%S\" interpretation\n");
}

static void test_fwprintf( void )
{
    const char *string="not a wide string";
    todo_wine
      {
        ok(fwprintf(fopen("nul","r+"),(wchar_t *)string) == -1,"Non-wide string should not be printed by fwprintf\n");
      }
}

static void test_snprintf (void)
{
    struct snprintf_test {
        const char *format;
        int expected;
        struct {
            int retval;
            int render;
        } todo;
    };
    /* Pre-2.1 libc behaviour, not C99 compliant. */
    const struct snprintf_test tests[] = {{"short", 5, {0, 0}},
                                          {"justfit", 7, {0, 0}},
                                          {"justfits", 8, {0, 1}},
                                          {"muchlonger", -1, {1, 1}}};
    char buffer[8];
    const int bufsiz = sizeof buffer;
    unsigned int i;

    for (i = 0; i < sizeof tests / sizeof tests[0]; i++) {
        const char *fmt  = tests[i].format;
        const int expect = tests[i].expected;
        const int n      = _snprintf (buffer, bufsiz, fmt);
        const int valid  = n < 0 ? bufsiz : (n == bufsiz ? n : n+1);

        todo (tests[i].todo.retval ? "wine" : "none")
            ok (n == expect, "\"%s\": expected %d, returned %d\n",
                fmt, expect, n);
        todo (tests[i].todo.render ? "wine" : "none")
            ok (!memcmp (fmt, buffer, valid),
                "\"%s\": rendered \"%.*s\"\n", fmt, valid, buffer);
    };
}

START_TEST(printf)
{
    test_sprintf();
    test_swprintf();
    test_fwprintf();
    test_snprintf();
}