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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: MapViewOfFile.c
**
** Purpose: Negative test the MapViewOfFile API.
** Passing invalid values for the hFileMappingObject.
**
** Depends: CreatePipe,
** CreateFile,
** CreateFileMapping,
** CloseHandle.
**
**
**============================================================*/
#include <palsuite.h>
int __cdecl main(int argc, char *argv[])
{
const int MAPPINGSIZE = 2048;
HANDLE hFileMapping;
LPVOID lpMapViewAddress;
HANDLE hReadPipe = NULL;
HANDLE hWritePipe = NULL;
BOOL bRetVal;
SECURITY_ATTRIBUTES lpPipeAttributes;
/* Initialize the PAL environment.
*/
if(0 != PAL_Initialize(argc, argv))
{
return FAIL;
}
/* Attempt to create a MapViewOfFile with a NULL handle.
*/
hFileMapping = NULL;
lpMapViewAddress = MapViewOfFile(
hFileMapping,
FILE_MAP_WRITE, /* access code */
0, /* high order offset */
0, /* low order offset */
MAPPINGSIZE); /* number of bytes for map */
if((NULL != lpMapViewAddress) &&
(GetLastError() != ERROR_INVALID_HANDLE))
{
Trace("ERROR:%u: Able to create a MapViewOfFile with "
"hFileMapping=0x%lx.\n",
GetLastError());
UnmapViewOfFile(lpMapViewAddress);
Fail("");
}
/* Attempt to create a MapViewOfFile with an invalid handle.
*/
hFileMapping = INVALID_HANDLE_VALUE;
lpMapViewAddress = MapViewOfFile(
hFileMapping,
FILE_MAP_WRITE, /* access code */
0, /* high order offset */
0, /* low order offset */
MAPPINGSIZE); /* number of bytes for map */
if((NULL != lpMapViewAddress) &&
(GetLastError() != ERROR_INVALID_HANDLE))
{
Trace("ERROR:%u: Able to create a MapViewOfFile with "
"hFileMapping=0x%lx.\n",
GetLastError());
UnmapViewOfFile(lpMapViewAddress);
Fail("");
}
/* Setup SECURITY_ATTRIBUTES structure for CreatePipe.
*/
lpPipeAttributes.nLength = sizeof(lpPipeAttributes);
lpPipeAttributes.lpSecurityDescriptor = NULL;
lpPipeAttributes.bInheritHandle = TRUE;
/* Create a Pipe.
*/
bRetVal = CreatePipe(&hReadPipe, /* read handle*/
&hWritePipe, /* write handle */
&lpPipeAttributes,/* security attributes*/
0); /* pipe size*/
if (bRetVal == FALSE)
{
Fail("ERROR: %ld :Unable to create pipe\n",
GetLastError());
}
/* Attempt creating a MapViewOfFile with a Pipe Handle.
*/
lpMapViewAddress = MapViewOfFile(
hReadPipe,
FILE_MAP_WRITE, /* access code */
0, /* high order offset */
0, /* low order offset */
MAPPINGSIZE); /* number of bytes for map */
if((NULL != lpMapViewAddress) &&
(GetLastError() != ERROR_INVALID_HANDLE))
{
Trace("ERROR:%u: Able to create a MapViewOfFile with "
"hFileMapping=0x%lx.\n",
GetLastError());
CloseHandle(hReadPipe);
CloseHandle(hWritePipe);
UnmapViewOfFile(lpMapViewAddress);
Fail("");
}
/* Clean-up and Terminate the PAL.
*/
CloseHandle(hReadPipe);
CloseHandle(hWritePipe);
PAL_Terminate();
return PASS;
}
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