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diff --git a/src/pal/tests/palsuite/file_io/ReadFile/test2/ReadFile.c b/src/pal/tests/palsuite/file_io/ReadFile/test2/ReadFile.c
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+++ b/src/pal/tests/palsuite/file_io/ReadFile/test2/ReadFile.c
@@ -0,0 +1,198 @@
+// 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: ReadFile.c (test 2)
+**
+** Purpose: Tests the PAL implementation of the ReadFile function.
+** Creates a test file and performs an array of read tests.
+**
+** Assumes successful:
+** CreateFile
+** CloseHandle
+** WriteFile
+** GetLastError
+**
+**
+**===================================================================*/
+
+
+#include <palsuite.h>
+
+
+const char* szStringTest = "The quick fox jumped over the lazy dog's back.\0";
+const char* szEmptyString = "";
+const char* szReadableFile = "Readable.txt";
+const char* szResultsFile = "Results.txt";
+
+//Previously number of tests was 6, now 4 refer VSW 312690
+#define NOOFTESTS 4
+
+#ifdef __sparc__
+const int PAGESIZE = 8192;
+#else // __sparc__
+const int PAGESIZE = 4096;
+#endif // __sparc__
+
+char *readBuffer;
+
+BOOL validateResults(const char* szString, // string read
+ DWORD dwByteCount, // amount requested
+ DWORD dwBytesRead) // amount read
+{
+ // were the correct number of bytes read?
+ if (dwBytesRead > dwByteCount)
+ {
+ Trace("bytes read > bytes asked for\n");
+ return FALSE;
+ }
+ if (dwBytesRead != strlen(szString))
+ {
+ Trace("bytes read != length of read string\n");
+ return FALSE;
+ }
+
+ //
+ // compare results
+ //
+
+ if (memcmp(szString, szStringTest, dwBytesRead) != 0)
+ {
+ Trace("read = %s string = %s", szString, szStringTest);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+BOOL readTest(DWORD dwByteCount, char cResult)
+{
+ HANDLE hFile = NULL;
+ DWORD dwBytesRead;
+ BOOL bRc = FALSE;
+
+ // open the test file
+ hFile = CreateFile(szReadableFile,
+ GENERIC_READ,
+ FILE_SHARE_READ,
+ NULL,
+ OPEN_EXISTING,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
+ if(hFile == INVALID_HANDLE_VALUE)
+ {
+ Trace("ReadFile: ERROR -> Unable to open file \"%s\".\n",
+ szReadableFile);
+ return FALSE;
+ }
+
+ memset(readBuffer, 0, PAGESIZE);
+
+ bRc = ReadFile(hFile, readBuffer, dwByteCount, &dwBytesRead, NULL);
+
+ if (bRc == FALSE)
+ {
+ // if it failed, was it supposed to fail?
+ if (cResult == '1')
+ {
+ Trace("\nbRc = %d\n", bRc);
+ Trace("readBuffer = [%s] dwByteCount = %d dwBytesRead = %d\n", readBuffer, dwByteCount, dwBytesRead);
+ Trace("cresult = 1\n");
+ Trace("getlasterror = %d\n", GetLastError());
+ CloseHandle(hFile);
+ return FALSE;
+ }
+ }
+ else
+ {
+ CloseHandle(hFile);
+ // if it passed, was it supposed to pass?
+ if (cResult == '0')
+ {
+ Trace("cresult = 0\n");
+ return FALSE;
+ }
+ else
+ {
+ return (validateResults(readBuffer, dwByteCount, dwBytesRead));
+ }
+ }
+
+ CloseHandle(hFile);
+ return TRUE;
+}
+
+int __cdecl main(int argc, char *argv[])
+{
+ HANDLE hFile = NULL;
+ const int BUFFER_SIZE = 2 * PAGESIZE;
+
+ DWORD dwByteCount[] = { 0,
+ 10,
+ strlen(szStringTest),
+ PAGESIZE
+ // Commented out two negative test cases : Refer VSW 312690
+ // 2 * PAGESIZE,
+ // -1
+ };
+
+ DWORD oldProt;
+ char szResults[] = "1111"; // Was "111100": Refer VSW 312690
+ int i;
+ BOOL bRc = FALSE;
+ DWORD dwBytesWritten = 0;
+
+ if (0 != PAL_Initialize(argc,argv))
+ {
+ return FAIL;
+ }
+
+ /* aloocate read-write memery for readBuffer */
+ if (!(readBuffer = (char*) VirtualAlloc(NULL, BUFFER_SIZE, MEM_COMMIT, PAGE_READWRITE)))
+ {
+ Fail("VirtualAlloc failed: GetLastError returns %d\n", GetLastError());
+ return FAIL;
+ }
+
+ /* write protect the second page of readBuffer */
+ if (!VirtualProtect(&readBuffer[PAGESIZE], PAGESIZE, PAGE_NOACCESS, &oldProt))
+ {
+ Fail("VirtualProtect failed: GetLastError returns %d\n", GetLastError());
+ return FAIL;
+ }
+
+ // create the test file
+ hFile = CreateFile(szReadableFile,
+ GENERIC_WRITE,
+ FILE_SHARE_WRITE,
+ NULL,
+ CREATE_ALWAYS,
+ FILE_ATTRIBUTE_NORMAL,
+ NULL);
+
+ if(hFile == INVALID_HANDLE_VALUE)
+ {
+ Fail("ReadFile: ERROR -> Unable to create file \"%s\" (%d).\n",
+ szReadableFile, GetLastError());
+ }
+
+ bRc = WriteFile(hFile, szStringTest, strlen(szStringTest), &dwBytesWritten, NULL);
+ CloseHandle(hFile);
+
+
+ for (i = 0; i< NOOFTESTS; i++)
+ {
+ bRc = readTest(dwByteCount[i], szResults[i]);
+ if (bRc != TRUE)
+ {
+ Fail("ReadFile: ERROR -> Failed on test[%d]\n", i);
+ }
+ }
+
+ VirtualFree(readBuffer, BUFFER_SIZE, MEM_RELEASE);
+ PAL_Terminate();
+ return PASS;
+}
+