1 files changed, 85 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test6/mapviewoffile.cpp b/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test6/mapviewoffile.cpp
new file mode 100644
index 0000000000..f7d7302a4c
--- /dev/null
+++ b/src/pal/tests/palsuite/filemapping_memmgt/MapViewOfFile/test6/mapviewoffile.cpp
@@ -0,0 +1,85 @@
+// 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:  MapViewOfFile.c
+**
+** Purpose: Positivve test the MapViewOfFile API.
+**          Mapping a pagefile allocation into memory
+**
+** Depends: CreateFileMappingW,
+**          UnmapViewOfFile
+**          CloseHandle.
+**          
+
+**
+**============================================================*/
+#include <palsuite.h>
+
+int __cdecl main(int argc, char *argv[])
+{
+
+    const   int MAPPINGSIZE = 2048;
+    HANDLE  hFileMapping;
+    LPVOID  lpMapViewAddress;
+    char *p;
+    int i;
+
+    /* Initialize the PAL environment.
+     */
+    if(0 != PAL_Initialize(argc, argv))
+    {
+        return FAIL;
+    }
+
+    hFileMapping = CreateFileMappingW(INVALID_HANDLE_VALUE,
+                                      NULL,
+                                      PAGE_READWRITE,
+                                      0,
+                                      MAPPINGSIZE,
+                                      NULL);
+
+    if (hFileMapping == NULL) {
+        Trace("ERROR:%u: CreateFileMappingW() failed\n", GetLastError());
+        Fail("");
+    }
+
+
+    lpMapViewAddress = MapViewOfFile(
+                            hFileMapping,
+                            FILE_MAP_WRITE, /* access code */
+                            0,              /* high order offset */
+                            0,              /* low order offset */
+                            MAPPINGSIZE);   /* number of bytes for map */
+
+    if(NULL == lpMapViewAddress)
+    {
+        Trace("ERROR:%u: MapViewOfFile() failed.\n",
+              GetLastError());
+        CloseHandle(hFileMapping);
+        Fail("");
+    }
+
+    p = (char *)lpMapViewAddress;
+    for (i=0; i<MAPPINGSIZE; ++i) {
+        /* Confirm that the memory is zero-initialized */
+        if (p[i] != 0) 
+        {
+            Fail("MapViewOfFile() of pagefile didn't return 0-filled data "
+                 "(Offset %d has value 0x%x)\n", i, p[i]);
+        }
+        /* Confirm that it is writable */
+        *(char *)lpMapViewAddress = 0xcc;
+    }
+
+    /* Clean-up and Terminate the PAL.
+    */
+    CloseHandle(hFileMapping);
+    UnmapViewOfFile(lpMapViewAddress);
+    PAL_Terminate();
+    return PASS;
+}
+
+