dlls/kernel/tests/virtual.c - wine - Git at Google

 /*
  * Unit test suite for Virtual* family of APIs.
  *
  * Copyright 2004 Dmitry Timoshkov
  *
  * 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 <stdarg.h>

 #include "windef.h"
 #include "winbase.h"
 #include "winerror.h"
 #include "wine/test.h"

 static void test_VirtualAlloc(void)
 {
     void *addr1, *addr2;
     DWORD old_prot;
     MEMORY_BASIC_INFORMATION info;

     SetLastError(0xdeadbeef);
     addr1 = VirtualAlloc(0, 0, MEM_RESERVE, PAGE_NOACCESS);
     ok(addr1 == NULL, "VirtualAlloc should fail on zero-sized allocation\n");
     ok(GetLastError() == ERROR_INVALID_PARAMETER /* NT */ ||
        GetLastError() == ERROR_NOT_ENOUGH_MEMORY, /* Win9x */
         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

     addr1 = VirtualAlloc(0, 0xFFFC, MEM_RESERVE, PAGE_NOACCESS);
     ok(addr1 != NULL, "VirtualAlloc failed\n");

     /* test a not committed memory */
     ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
         "VirtualQuery failed\n");
     ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
     ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
     ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
     ok(info.RegionSize == 0x10000, "%lx != 0x10000\n", info.RegionSize);
     ok(info.State == MEM_RESERVE, "%lx != MEM_RESERVE\n", info.State);
     /* NT reports Protect == 0 for a not committed memory block */
     ok(info.Protect == 0 /* NT */ ||
        info.Protect == PAGE_NOACCESS, /* Win9x */
         "%lx != PAGE_NOACCESS\n", info.Protect);
     ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);

     SetLastError(0xdeadbeef);
     ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
        "VirtualProtect should fail on a not committed memory\n");
     ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ ||
        GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
         "got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());

     addr2 = VirtualAlloc(addr1, 0x1000, MEM_COMMIT, PAGE_NOACCESS);
     ok(addr1 == addr2, "VirtualAlloc failed\n");

     /* test a committed memory */
     ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
         "VirtualQuery failed\n");
     ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
     ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
     ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
     ok(info.RegionSize == 0x1000, "%lx != 0x1000\n", info.RegionSize);
     ok(info.State == MEM_COMMIT, "%lx != MEM_COMMIT\n", info.State);
     /* this time NT reports PAGE_NOACCESS as well */
     ok(info.Protect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.Protect);
     ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);

     /* this should fail, since not the whole range is committed yet */
     SetLastError(0xdeadbeef);
     ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
         "VirtualProtect should fail on a not committed memory\n");
     ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ ||
        GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
         "got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());

     ok(VirtualProtect(addr1, 0x1000, PAGE_READONLY, &old_prot), "VirtualProtect failed\n");
     ok(old_prot == PAGE_NOACCESS,
         "wrong old protection: got %04lx instead of PAGE_NOACCESS\n", old_prot);

     ok(VirtualProtect(addr1, 0x1000, PAGE_READWRITE, &old_prot), "VirtualProtect failed\n");
     ok(old_prot == PAGE_READONLY,
         "wrong old protection: got %04lx instead of PAGE_READONLY\n", old_prot);

     ok(!VirtualFree(addr1, 0x10000, 0), "VirtualFree should fail with type 0\n");
     ok(GetLastError() == ERROR_INVALID_PARAMETER,
         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

     ok(VirtualFree(addr1, 0x10000, MEM_DECOMMIT), "VirtualFree failed\n");

     /* if the type is MEM_RELEASE, size must be 0 */
     ok(!VirtualFree(addr1, 1, MEM_RELEASE), "VirtualFree should fail\n");
     ok(GetLastError() == ERROR_INVALID_PARAMETER,
         "got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

     ok(VirtualFree(addr1, 0, MEM_RELEASE), "VirtualFree failed\n");
 }

 static void test_MapViewOfFile(void)
 {
     static const char testfile[] = "testfile.xxx";
     HANDLE file, mapping;
     void *ptr;

     file = CreateFileA( testfile, GENERIC_READ|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );
     SetFilePointer( file, 4096, NULL, FILE_BEGIN );
     SetEndOfFile( file );

     /* read/write mapping */

     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
     ok( mapping != 0, "CreateFileMapping failed\n" );

     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile FILE_MAPE_READ failed\n" );
     UnmapViewOfFile( ptr );

     /* this fails on win9x but succeeds on NT */
     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
     if (ptr) UnmapViewOfFile( ptr );
     else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
     UnmapViewOfFile( ptr );

     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile FILE_MAP_WRITE failed\n" );
     UnmapViewOfFile( ptr );
     CloseHandle( mapping );

     /* read-only mapping */

     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
     ok( mapping != 0, "CreateFileMapping failed\n" );

     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
     UnmapViewOfFile( ptr );

     /* this fails on win9x but succeeds on NT */
     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
     if (ptr) UnmapViewOfFile( ptr );
     else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
     UnmapViewOfFile( ptr );

     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
     ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
     CloseHandle( mapping );

     /* copy-on-write mapping */

     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
     ok( mapping != 0, "CreateFileMapping failed\n" );

     ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
     UnmapViewOfFile( ptr );

     ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile FILE_MAP_COPY failed\n" );
     UnmapViewOfFile( ptr );

     ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
     ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
     UnmapViewOfFile( ptr );

     ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
     ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
     CloseHandle( mapping );

     /* no access mapping */

     mapping = CreateFileMappingA( file, NULL, PAGE_NOACCESS, 0, 4096, NULL );
     /* fails on NT but succeeds on win9x */
     if (!mapping) ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
     else
     {
         ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
         ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
         UnmapViewOfFile( ptr );

         ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
         ok( !ptr, "MapViewOfFile FILE_MAP_COPY succeeded\n" );
         ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

         ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
         ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
         UnmapViewOfFile( ptr );

         ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
         ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
         ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

         CloseHandle( mapping );
     }

     CloseHandle( file );

     /* now try read-only file */

     file = CreateFileA( testfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0 );
     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );

     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
     ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
     ok( mapping != 0, "CreateFileMapping PAGE_WRITECOPY failed\n" );
     CloseHandle( mapping );

     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
     ok( mapping != 0, "CreateFileMapping PAGE_READONLY failed\n" );
     CloseHandle( mapping );
     CloseHandle( file );

     /* now try no access file */

     file = CreateFileA( testfile, 0, 0, NULL, OPEN_EXISTING, 0, 0 );
     ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );

     mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
     ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

     mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
     ok( !mapping, "CreateFileMapping PAGE_WRITECOPY succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

     mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
     ok( !mapping, "CreateFileMapping PAGE_READONLY succeeded\n" );
     ok( GetLastError() == ERROR_INVALID_PARAMETER ||
         GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

     CloseHandle( file );

     CloseHandle( file );
     DeleteFileA( testfile );
 }

 START_TEST(virtual)
 {
     test_VirtualAlloc();
     test_MapViewOfFile();
 }
	/*
	* Unit test suite for Virtual* family of APIs.
	*
	* Copyright 2004 Dmitry Timoshkov
	*
	* 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 <stdarg.h>

	#include "windef.h"
	#include "winbase.h"
	#include "winerror.h"
	#include "wine/test.h"

	static void test_VirtualAlloc(void)
	{
	void addr1, addr2;
	DWORD old_prot;
	MEMORY_BASIC_INFORMATION info;

	SetLastError(0xdeadbeef);
	addr1 = VirtualAlloc(0, 0, MEM_RESERVE, PAGE_NOACCESS);
	ok(addr1 == NULL, "VirtualAlloc should fail on zero-sized allocation\n");
	ok(GetLastError() == ERROR_INVALID_PARAMETER /* NT */ \|\|
	GetLastError() == ERROR_NOT_ENOUGH_MEMORY, /* Win9x */
	"got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

	addr1 = VirtualAlloc(0, 0xFFFC, MEM_RESERVE, PAGE_NOACCESS);
	ok(addr1 != NULL, "VirtualAlloc failed\n");

	/* test a not committed memory */
	ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
	"VirtualQuery failed\n");
	ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
	ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
	ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
	ok(info.RegionSize == 0x10000, "%lx != 0x10000\n", info.RegionSize);
	ok(info.State == MEM_RESERVE, "%lx != MEM_RESERVE\n", info.State);
	/* NT reports Protect == 0 for a not committed memory block */
	ok(info.Protect == 0 /* NT */ \|\|
	info.Protect == PAGE_NOACCESS, /* Win9x */
	"%lx != PAGE_NOACCESS\n", info.Protect);
	ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);

	SetLastError(0xdeadbeef);
	ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
	"VirtualProtect should fail on a not committed memory\n");
	ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ \|\|
	GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
	"got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());

	addr2 = VirtualAlloc(addr1, 0x1000, MEM_COMMIT, PAGE_NOACCESS);
	ok(addr1 == addr2, "VirtualAlloc failed\n");

	/* test a committed memory */
	ok(VirtualQuery(addr1, &info, sizeof(info)) == sizeof(info),
	"VirtualQuery failed\n");
	ok(info.BaseAddress == addr1, "%p != %p\n", info.BaseAddress, addr1);
	ok(info.AllocationBase == addr1, "%p != %p\n", info.AllocationBase, addr1);
	ok(info.AllocationProtect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.AllocationProtect);
	ok(info.RegionSize == 0x1000, "%lx != 0x1000\n", info.RegionSize);
	ok(info.State == MEM_COMMIT, "%lx != MEM_COMMIT\n", info.State);
	/* this time NT reports PAGE_NOACCESS as well */
	ok(info.Protect == PAGE_NOACCESS, "%lx != PAGE_NOACCESS\n", info.Protect);
	ok(info.Type == MEM_PRIVATE, "%lx != MEM_PRIVATE\n", info.Type);

	/* this should fail, since not the whole range is committed yet */
	SetLastError(0xdeadbeef);
	ok(!VirtualProtect(addr1, 0xFFFC, PAGE_READONLY, &old_prot),
	"VirtualProtect should fail on a not committed memory\n");
	ok(GetLastError() == ERROR_INVALID_ADDRESS /* NT */ \|\|
	GetLastError() == ERROR_INVALID_PARAMETER, /* Win9x */
	"got %ld, expected ERROR_INVALID_ADDRESS\n", GetLastError());

	ok(VirtualProtect(addr1, 0x1000, PAGE_READONLY, &old_prot), "VirtualProtect failed\n");
	ok(old_prot == PAGE_NOACCESS,
	"wrong old protection: got %04lx instead of PAGE_NOACCESS\n", old_prot);

	ok(VirtualProtect(addr1, 0x1000, PAGE_READWRITE, &old_prot), "VirtualProtect failed\n");
	ok(old_prot == PAGE_READONLY,
	"wrong old protection: got %04lx instead of PAGE_READONLY\n", old_prot);

	ok(!VirtualFree(addr1, 0x10000, 0), "VirtualFree should fail with type 0\n");
	ok(GetLastError() == ERROR_INVALID_PARAMETER,
	"got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

	ok(VirtualFree(addr1, 0x10000, MEM_DECOMMIT), "VirtualFree failed\n");

	/* if the type is MEM_RELEASE, size must be 0 */
	ok(!VirtualFree(addr1, 1, MEM_RELEASE), "VirtualFree should fail\n");
	ok(GetLastError() == ERROR_INVALID_PARAMETER,
	"got %ld, expected ERROR_INVALID_PARAMETER\n", GetLastError());

	ok(VirtualFree(addr1, 0, MEM_RELEASE), "VirtualFree failed\n");
	}

	static void test_MapViewOfFile(void)
	{
	static const char testfile[] = "testfile.xxx";
	HANDLE file, mapping;
	void *ptr;

	file = CreateFileA( testfile, GENERIC_READ\|GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, 0 );
	ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );
	SetFilePointer( file, 4096, NULL, FILE_BEGIN );
	SetEndOfFile( file );

	/* read/write mapping */

	mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
	ok( mapping != 0, "CreateFileMapping failed\n" );

	ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAPE_READ failed\n" );
	UnmapViewOfFile( ptr );

	/* this fails on win9x but succeeds on NT */
	ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
	if (ptr) UnmapViewOfFile( ptr );
	else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

	ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAP_WRITE failed\n" );
	UnmapViewOfFile( ptr );
	CloseHandle( mapping );

	/* read-only mapping */

	mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
	ok( mapping != 0, "CreateFileMapping failed\n" );

	ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
	UnmapViewOfFile( ptr );

	/* this fails on win9x but succeeds on NT */
	ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
	if (ptr) UnmapViewOfFile( ptr );
	else ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

	ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
	ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
	CloseHandle( mapping );

	/* copy-on-write mapping */

	mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
	ok( mapping != 0, "CreateFileMapping failed\n" );

	ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAP_COPY failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
	ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );
	CloseHandle( mapping );

	/* no access mapping */

	mapping = CreateFileMappingA( file, NULL, PAGE_NOACCESS, 0, 4096, NULL );
	/* fails on NT but succeeds on win9x */
	if (!mapping) ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );
	else
	{
	ptr = MapViewOfFile( mapping, FILE_MAP_READ, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile FILE_MAP_READ failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_COPY, 0, 0, 4096 );
	ok( !ptr, "MapViewOfFile FILE_MAP_COPY succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

	ptr = MapViewOfFile( mapping, 0, 0, 0, 4096 );
	ok( ptr != NULL, "MapViewOfFile 0 failed\n" );
	UnmapViewOfFile( ptr );

	ptr = MapViewOfFile( mapping, FILE_MAP_WRITE, 0, 0, 4096 );
	ok( !ptr, "MapViewOfFile FILE_MAP_WRITE succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER, "Wrong error %lx\n", GetLastError() );

	CloseHandle( mapping );
	}

	CloseHandle( file );

	/* now try read-only file */

	file = CreateFileA( testfile, GENERIC_READ, 0, NULL, OPEN_EXISTING, 0, 0 );
	ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );

	mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
	ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

	mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
	ok( mapping != 0, "CreateFileMapping PAGE_WRITECOPY failed\n" );
	CloseHandle( mapping );

	mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
	ok( mapping != 0, "CreateFileMapping PAGE_READONLY failed\n" );
	CloseHandle( mapping );
	CloseHandle( file );

	/* now try no access file */

	file = CreateFileA( testfile, 0, 0, NULL, OPEN_EXISTING, 0, 0 );
	ok( file != INVALID_HANDLE_VALUE, "Failed to create test file\n" );

	mapping = CreateFileMappingA( file, NULL, PAGE_READWRITE, 0, 4096, NULL );
	ok( !mapping, "CreateFileMapping PAGE_READWRITE succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

	mapping = CreateFileMappingA( file, NULL, PAGE_WRITECOPY, 0, 4096, NULL );
	ok( !mapping, "CreateFileMapping PAGE_WRITECOPY succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

	mapping = CreateFileMappingA( file, NULL, PAGE_READONLY, 0, 4096, NULL );
	ok( !mapping, "CreateFileMapping PAGE_READONLY succeeded\n" );
	ok( GetLastError() == ERROR_INVALID_PARAMETER \|\|
	GetLastError() == ERROR_ACCESS_DENIED, "Wrong error %lx\n", GetLastError() );

	CloseHandle( file );

	CloseHandle( file );
	DeleteFileA( testfile );
	}

	START_TEST(virtual)
	{
	test_VirtualAlloc();
	test_MapViewOfFile();
	}