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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: test2.c
**
** Purpose: Tests the PAL implementation of the _wfopen function.
** Test to ensure that you can write to a 'w' mode file.
** And that you can't read from a 'w' mode file.
**
** Depends:
** fprintf
** fseek
** fgets
**
**
**===================================================================*/
#define UNICODE
#include <palsuite.h>
int __cdecl main(int argc, char **argv)
{
FILE *fp;
char buffer[128];
WCHAR filename[] = {'t','e','s','t','f','i','l','e','\0'};
WCHAR write[] = {'w','\0'};
if (PAL_Initialize(argc, argv))
{
return FAIL;
}
if( (fp = _wfopen( filename, write )) == NULL )
{
Fail( "ERROR: The file failed to open with 'w' mode.\n" );
}
/* Test that you can write */
if(fprintf(fp,"%s","some text") <= 0)
{
Fail("ERROR: Attempted to WRITE to a file opened with 'w' mode "
"but fprintf failed. Either fopen or fprintf have problems.");
}
if(fseek(fp, 0, SEEK_SET))
{
Fail("ERROR: fseek failed, and this test depends on it.");
}
/* Test that you can't read */
if(fgets(buffer,10,fp) != NULL)
{
Fail("ERROR: Tried to READ from a file with only 'w' mode set. "
"This should fail, but fgets didn't return NULL. "
"Either fgets or fopen is broken.");
}
PAL_Terminate();
return PASS;
}
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