1 files changed, 62 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/c_runtime/free/test1/test1.cpp b/src/pal/tests/palsuite/c_runtime/free/test1/test1.cpp
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index 0000000000..4ff8dfb094
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+++ b/src/pal/tests/palsuite/c_runtime/free/test1/test1.cpp
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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:  test1.c
+**
+** Purpose: Repeatedly allocates and frees a chunk of memory, to verify
+**          that free is really returning memory to the heap
+**
+**
+**==========================================================================*/
+
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+
+    char *testA;
+
+    long i;
+    if (PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+
+    /* check that free really returns memory to the heap. */
+    for(i=1; i<1000000; i++)
+    {
+        testA = (char *)malloc(1000*sizeof(char));
+        if (testA==NULL)
+        {
+            Fail("Either free is failing to return memory to the heap, or"
+                 " the system is running out of memory for some other "
+                 "reason.\n");
+        }
+        free(testA);
+    }
+
+    free(NULL); /*should do nothing*/
+    PAL_Terminate();
+    return PASS;
+}
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