1 files changed, 129 insertions, 0 deletions
diff --git a/src/pal/tests/palsuite/threading/DuplicateHandle/test12/test12.cpp b/src/pal/tests/palsuite/threading/DuplicateHandle/test12/test12.cpp
new file mode 100644
index 0000000000..519194bc3a
--- /dev/null
+++ b/src/pal/tests/palsuite/threading/DuplicateHandle/test12/test12.cpp
@@ -0,0 +1,129 @@
+// 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:    test12.c (DuplicateHandle)
+**
+** Purpose:   Tests the PAL implementation of the DuplicateHandle function.
+**            This test will create handle to file (to write) and close it,
+**            then call duplicate handle to read what was written. 
+**
+**
+**===================================================================*/
+#include <palsuite.h>
+
+int __cdecl main(int argc, char **argv)
+{
+    HANDLE  hFile;
+    HANDLE  hDupFile;
+    char    buf[256];
+    char    teststr[]    = "A uNiQuE tEsT sTrInG";
+    char    lpFileName[] = "testfile.txt";
+    DWORD   dwBytesWritten;
+    DWORD   dwBytesRead;
+    BOOL    bRetVal;
+
+    /*Initalize the PAL*/
+    if ((PAL_Initialize(argc,argv)) != 0)
+    {
+        return (FAIL);
+    }
+
+    /*Create a file handle with CreateFile*/
+    hFile = CreateFile(lpFileName,
+                GENERIC_WRITE|GENERIC_READ,
+                FILE_SHARE_WRITE|FILE_SHARE_READ,
+                NULL, 
+                OPEN_ALWAYS,
+                FILE_ATTRIBUTE_NORMAL, 
+                NULL);
+    if (hFile == INVALID_HANDLE_VALUE)
+    {
+        Fail("ERROR: %u :unable to create file \"%s\".\n",
+            GetLastError(),
+            lpFileName);
+    }
+
+    /*Write test string to the file.*/    
+    bRetVal = WriteFile(hFile,      // handle to file
+                teststr,            // data buffer
+                strlen(teststr),    // number of bytes to write
+                &dwBytesWritten,    // number of bytes written
+                NULL);              // overlapped buffer
+
+    if (bRetVal == FALSE)
+    {
+        Trace("ERROR: %u : unable to write to file handle "
+                "hFile=0x%lx\n",
+                GetLastError(),
+                hFile);
+        CloseHandle(hFile);
+        Fail("");
+    }
+
+    /*Create a duplicate handle with DuplicateHandle.*/
+    if (!(DuplicateHandle(
+            GetCurrentProcess(), 
+            hFile,
+            GetCurrentProcess(), 
+            &hDupFile,
+            GENERIC_READ|GENERIC_WRITE,
+            FALSE, 
+            DUPLICATE_SAME_ACCESS)))
+    {
+        Trace("ERROR: %u : Fail to create the duplicate handle"
+             " to hFile=0x%lx\n",
+             GetLastError(),
+             hFile);
+        CloseHandle(hFile);
+        Fail("");
+    }
+
+    if( !CloseHandle(hFile) )
+    {
+        Fail("Duplicate Handle:Unable to close original file: Error[%u]\n", GetLastError());
+    }
+  
+    memset(buf, 0, 256);
+
+    /*Read from the Duplicated handle.*/
+    bRetVal = ReadFile(hDupFile,
+                       buf,
+                       256,
+                       &dwBytesRead,
+                       NULL);
+    if (bRetVal == FALSE)
+    {
+        Trace("ERROR: %u :unable to read from file handle "
+                "hFile=0x%lx\n",
+                GetLastError(),
+                hDupFile);
+         CloseHandle(hDupFile);
+        Fail("");
+    }
+
+    /*Compare what was written to what was read.*/
+    if (memcmp(teststr, buf, dwBytesRead) != 0)
+    {
+        Trace("ERROR: expected %s, got %s\n", teststr, buf);
+        CloseHandle(hDupFile);
+        Fail("");
+    }
+    
+    /*Close the handles*/
+    CloseHandle(hDupFile);
+
+    bRetVal  = DeleteFileA(lpFileName);
+    if (bRetVal != TRUE)
+    {
+        Trace("Error:%u: DuplicateHandle, DeleteFileA: Couldn't delete DeleteFileA's"
+            " %s\n", GetLastError(), lpFileName);
+         Fail("");
+    }
+
+
+    PAL_Terminate();
+    return (PASS);
+}