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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: test4.c
**
** Purpose: Call HeapReAlloc with a NULL pointer to memory. It should
** return NULL.
**
**
**============================================================*/
/* Note: When attempted with a NULL Handle, this test crashes under win32.
As such, the behaviour isn't tested here.
*/
#include <palsuite.h>
int __cdecl main(int argc, char *argv[])
{
HANDLE TheHeap;
LPVOID TheMemory = NULL;
if(PAL_Initialize(argc, argv) != 0)
{
return FAIL;
}
TheHeap = GetProcessHeap();
if(TheHeap == NULL)
{
Fail("ERROR: GetProcessHeap() returned NULL when it was called. "
"GetLastError() returned %d.",GetLastError());
}
/* Allocate 100 bytes on the heap */
if(HeapAlloc(TheHeap, 0, 100) == NULL)
{
Fail("ERROR: HeapAlloc returned NULL when it was called. "
"GetLastError() returned %d.",GetLastError());
}
/* Call HeapReAlloc with a NULL memory pointer. It should fail */
if(HeapReAlloc(TheHeap, 0, TheMemory, 100) != NULL)
{
Fail("ERROR: HeapReAlloc was passed an invalid memory pointer. "
"It should have failed and returned NULL upon failure.");
}
if(GetLastError() != 0)
{
Fail("ERROR: GetLastError should be zero after passing a NULL "
"memory pointer to HeapReAlloc.\n");
}
/* Call HeapReAlloc with a size of 0 bytes on a NULL memory pointer.
It should still fail.
*/
if(HeapReAlloc(TheHeap, 0, TheMemory, 0) != NULL)
{
Fail("ERROR: HeapReAlloc was passed an invalid memory pointer and "
"the amount of memory to reallocate was 0. "
"It should have failed and returned NULL upon failure.");
}
if(GetLastError() != 0)
{
Fail("ERROR: GetLastError should be zero after passing a NULL "
"memory pointer to HeapReAlloc.\n");
}
PAL_Terminate();
return PASS;
}
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