1 files changed, 58 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/miscellaneous/IsBadWritePtr/test3/test3.cpp b/src/pal/tests/palsuite/miscellaneous/IsBadWritePtr/test3/test3.cpp
new file mode 100644
index 0000000000..4c058a8987
--- /dev/null
+++ b/src/pal/tests/palsuite/miscellaneous/IsBadWritePtr/test3/test3.cpp
@@ -0,0 +1,58 @@
+// 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: test3.c
+**
+** Purpose: 
+** Check that IsBadWritePtr returns non-zero on Read-only memory.
+**
+**
+**=========================================================*/
+
+#include <palsuite.h>
+
+#define PAGE_SIZE 4096
+
+int __cdecl main(int argc, char *argv[]) {
+    
+    LPVOID PageOne;
+
+    if(0 != (PAL_Initialize(argc, argv)))
+    {
+	return FAIL;
+    }
+    
+    /* Reserve enough space for four pages.  We'll commit this memory
+       and set the correct access for each page below.
+    */
+    
+    PageOne = VirtualAlloc(NULL, 
+			   PAGE_SIZE, 
+			   MEM_COMMIT, 
+			   PAGE_READONLY);
+
+    if(PageOne == NULL)
+    {
+	Fail("ERROR: VirtualAlloc failed to commit the required memory.\n");
+    }
+
+    if(IsBadWritePtr(PageOne,PAGE_SIZE) == 0)
+    {
+	VirtualFree(PageOne,0,MEM_RELEASE);
+
+	Fail("ERROR: IsBadWritePtr returned 0 when checking a section of "
+	     "read-only memory.  It should be non-zero.\n");
+    }
+
+    VirtualFree(PageOne,0,MEM_RELEASE);
+    PAL_Terminate();
+    return PASS;
+}
+
+
+
+
+