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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 GetEnvironmentVariable() function
** Pass a nonexisting environment variable and a null to
** the function to check return values.
**
**
**=========================================================*/
#include <palsuite.h>
#define BUFFER_SIZE 5000
#define SMALL_BUFFER_SIZE 5
int __cdecl main(int argc, char *argv[])
{
int ReturnValueForNonExisting = 0;
int ReturnValueForNull = 0;
char pResultBuffer[BUFFER_SIZE];
char pSmallBuffer[SMALL_BUFFER_SIZE];
if(0 != (PAL_Initialize(argc, argv)))
{
return FAIL;
}
/* This variable doesn't exist, it should return 0 */
ReturnValueForNonExisting = GetEnvironmentVariable("NonExistingVariable",
pSmallBuffer,
SMALL_BUFFER_SIZE);
if(ReturnValueForNonExisting != 0)
{
Fail("ERROR: The return should have been 0, but it was %d. "
"The function attempted to get an Environment Variable that "
"doesn't exist and should return 0 as a result.\n",
ReturnValueForNonExisting);
}
/* Passing a NULL string should return 0 */
ReturnValueForNull = GetEnvironmentVariable(NULL,
pResultBuffer,
BUFFER_SIZE);
if(ReturnValueForNull != 0)
{
Fail("ERROR: The return should have been 0, but it was %d. "
"The function attempted to get a NULL pointer and should return "
"0 as a result.\n",ReturnValueForNull);
}
PAL_Terminate();
return PASS;
}
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