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-rw-r--r--src/pal/tests/palsuite/filemapping_memmgt/HeapReAlloc/test5/test5.cpp69
1 files changed, 69 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/HeapReAlloc/test5/test5.cpp b/src/pal/tests/palsuite/filemapping_memmgt/HeapReAlloc/test5/test5.cpp
new file mode 100644
index 0000000000..fcd38376ec
--- /dev/null
+++ b/src/pal/tests/palsuite/filemapping_memmgt/HeapReAlloc/test5/test5.cpp
@@ -0,0 +1,69 @@
+// 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: test5.c
+**
+** Purpose: Allocate some memory. Then call HeapRealloc with 0 as the
+** amount of memory to reallocate. This should work, essentially freeing
+** the memory (though we can't verfiy this)
+**
+**
+**============================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+
+ HANDLE TheHeap;
+ char* TheMemory;
+ char* ReAllocMemory;
+ char* ReAllocMemory2;
+
+ 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((TheMemory = (char*)HeapAlloc(TheHeap, 0, 100)) == NULL)
+ {
+ Fail("ERROR: HeapAlloc returned NULL when it was called. "
+ "GetLastError() returned %d.",GetLastError());
+ }
+
+ /* Set each byte of that memory block to 'x' */
+ memset(TheMemory, 'X', 100);
+
+ /* Reallocate the memory into 0 bytes */
+ ReAllocMemory = (char*)HeapReAlloc(TheHeap, 0, TheMemory, 0);
+
+ if(ReAllocMemory == NULL)
+ {
+ Fail("ERROR: HeapReAlloc failed to reallocate the 100 bytes of "
+ "heap memory. GetLastError returns %d.",GetLastError());
+ }
+
+ /* Reallocate the memory we just put into 0 bytes, into 100 bytes. */
+ ReAllocMemory2 = (char*)HeapReAlloc(TheHeap, 0, ReAllocMemory, 100);
+
+ if(ReAllocMemory2 == NULL)
+ {
+ Fail("ERROR: HeapReAlloc failed to reallocate the 0 bytes of "
+ "heap memory into 100. GetLastError returns %d.",GetLastError());
+ }
+
+ PAL_Terminate();
+ return PASS;
+}