1 files changed, 76 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/RtlMoveMemory/test4/test4.cpp b/src/pal/tests/palsuite/filemapping_memmgt/RtlMoveMemory/test4/test4.cpp
new file mode 100644
index 0000000000..b6e1ecd6f7
--- /dev/null
+++ b/src/pal/tests/palsuite/filemapping_memmgt/RtlMoveMemory/test4/test4.cpp
@@ -0,0 +1,76 @@
+// 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: Test simple overlapping.  Move the first 50 bytes of a 
+** piece of memory to the latter 50 bytes.  ie i -> i+50 Check to make sure
+** no data is lost.
+**
+**
+**============================================================*/
+
+#include <palsuite.h>
+
+enum Memory 
+{
+    MEMORY_AMOUNT = 128
+};
+
+int __cdecl main(int argc, char *argv[])
+{
+    char* NewAddress;
+    char OldAddress[MEMORY_AMOUNT];
+    int i;
+    
+    if(PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+    
+    NewAddress = OldAddress+50;
+
+    /* Put some data into the block we'll be moving 
+       The first 50 byes will be 'X' and the rest set to 'Z'
+    */
+    memset(OldAddress, 'X', 50);
+    memset(NewAddress, 'Z', MEMORY_AMOUNT-50);  
+
+    /* Move the first 50 bytes of OldAddress to OldAddress+50.  This
+       is to test that the source and destination addresses can overlap.
+    */
+    RtlMoveMemory(NewAddress, OldAddress, 50);
+
+    /* Check to ensure the moved data didn't get corrupted 
+       The first 50 bytes should be 'X'
+    */
+    for(i=0; i<50; ++i)
+    {
+        if(NewAddress[i] != 'X')
+        {
+            Fail("ERROR: When the memory was moved to a new location, the "
+                 "data which was stored in it was somehow corrupted.  "
+                 "Character %d should have been 'X' but instead is %c.\n",
+                 i, NewAddress[i]);
+        }
+    }
+
+    /* The rest of the memory should be 'Z' */
+    for(i=50; i<MEMORY_AMOUNT-50; ++i)
+    {
+        if(NewAddress[i] != 'Z')
+        {
+
+            Fail("ERROR: When the memory was moved to a new location, the "
+                 "data which was stored in it was somehow corrupted.  "
+                 "Character %d should have been 'Z' but instead is %c.\n",
+                 i, NewAddress[i]);
+        }
+    }
+  
+    PAL_Terminate();
+    return PASS;
+}