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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*=============================================================
**
** Source: createfilemappingw.c (test 8)
**
** Purpose: Positive test the CreateFileMappingW API.
** Test the un-verifiable parameter combinations.
**
**
**============================================================*/
#define UNICODE
#include <palsuite.h>
const int MAPPINGSIZE = 2048;
HANDLE SWAP_HANDLE = ((VOID *)(-1));
int __cdecl main(int argc, char *argv[])
{
WCHAR lpObjectName[] = {'m','y','O','b','j','e','c','t','\0'};
HANDLE hFileMap;
/* Initialize the PAL environment.
*/
if(0 != PAL_Initialize(argc, argv))
{
return FAIL;
}
/* Create a READONLY, "swap", un-named file mapping.
* This test is unverifiable since there is no hook back to the file map
* because it is un-named. As well, since it resides in "swap", and is
* initialized to zero, there is nothing to read.
*/
hFileMap = CreateFileMapping(
SWAP_HANDLE,
NULL, /*not inherited*/
PAGE_READONLY, /*read only*/
0, /*high-order size*/
MAPPINGSIZE, /*low-order size*/
NULL); /*un-named object*/
if(NULL == hFileMap)
{
Fail("ERROR:%u: Failed to create File Mapping.\n",
GetLastError());
}
/* Create a COPYWRITE, "swap", un-named file mapping.
* This test is unverifiable, here is a quote from MSDN:
*
* Copy on write access. If you create the map with PAGE_WRITECOPY and
* the view with FILE_MAP_COPY, you will receive a view to file. If you
* write to it, the pages are automatically swappable and the modifications
* you make will not go to the original data file.
*
*/
hFileMap = CreateFileMapping(
SWAP_HANDLE,
NULL, /*not inherited*/
PAGE_WRITECOPY, /*write copy*/
0, /*high-order size*/
MAPPINGSIZE, /*low-order size*/
NULL); /*unnamed object*/
if(NULL == hFileMap)
{
Fail("ERROR:%u: Failed to create File Mapping.\n",
GetLastError());
}
/* Terminate the PAL.
*/
PAL_Terminate();
return PASS;
}
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