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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 : test.c
**
** Purpose: Test for FormatMessageW() function
**
**
**=========================================================*/
#define UNICODE
#include <palsuite.h>
int __cdecl main(int argc, char *argv[]) {
LPWSTR OutBuffer;
int ReturnResult;
/*
* Initialize the PAL and return FAILURE if this fails
*/
if(0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
/* This is testing the use of FROM_SYSTEM. We can't check to ensure
the error message it extracts is correct, only that it does place some
information into the buffer when it is called.
*/
/*
ERROR_SUCCESS (0L) is normally returned by GetLastError,
But, the ERROR_SUCCESS is removed from messages for Unix based Systems
To ensure that we have some information into the buffer we are using the message
identifier value 2L (ERROR_FILE_NOT_FOUND)
*/
ReturnResult = FormatMessage(
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_ALLOCATE_BUFFER, /* source and processing options */
NULL, /* message source */
2L, /* message identifier */
0, /* language identifier */
(LPWSTR)&OutBuffer, /* message buffer */
0, /* maximum size of message buffer */
NULL /* array of message inserts */
);
if(ReturnResult == 0)
{
Fail("ERROR: The return value was 0, which indicates failure. The "
"function failed when trying to Format a FROM_SYSTEM message.");
}
if(wcslen(OutBuffer) <= 0)
{
Fail("ERROR: There are no characters in the buffer, and when the "
"FORMAT_MESSAGE_FROM_SYSTEM flag is used with ERROR_FILE_NOT_FOUND error, "
"something should be put into the buffer.");
}
LocalFree(OutBuffer);
PAL_Terminate();
return PASS;
}
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