Imported Upstream version 1.0.0.9127upstream/1.0.0.9127

1 files changed, 82 insertions, 0 deletions

diff --git a/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp b/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp
new file mode 100644
index 0000000000..a59e29212e
--- /dev/null
+++ b/src/pal/tests/palsuite/file_io/ReadFile/test1/ReadFile.cpp
@@ -0,0 +1,82 @@
+// 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 1)
+**
+** Purpose: Tests the PAL implementation of the ReadFile function.
+**          This test will attempt to read from a NULL handle and from 
+**          a file without read permissions set.
+**
+**
+**===================================================================*/
+
+#include <palsuite.h>
+
+
+int __cdecl main(int argc, char *argv[])
+{
+    HANDLE hFile = NULL;
+    DWORD dwByteCount = 0;
+    DWORD dwBytesRead = 0;
+    BOOL bRc = FALSE;
+    char szBuffer[256];
+    char* szNonReadableFile = {"nonreadablefile.txt"};
+
+    if (0 != PAL_Initialize(argc,argv))
+    {
+        return FAIL;
+    }
+
+    memset(szBuffer, 0, 256);
+
+    /* Read from a NULL handle
+    */
+
+    bRc = ReadFile(hFile, szBuffer, 20, &dwBytesRead, NULL);
+
+    if (bRc == TRUE)
+    {
+        Fail("ReadFile: ERROR -> Able to read from a NULL handle\n");
+    }
+
+
+    /* Read from a file without read permissions
+    */
+
+#if WIN32
+
+#else
+    /* attempt to read from the unreadable file
+     * open a file without read permissions
+     */
+    hFile = CreateFile(szNonReadableFile, 
+        GENERIC_WRITE,
+        FILE_SHARE_WRITE,
+        NULL,
+        OPEN_EXISTING,
+        FILE_ATTRIBUTE_NORMAL,
+        NULL);
+
+    if(hFile == INVALID_HANDLE_VALUE)
+    {
+        dwByteCount = GetLastError();
+        Fail("ReadFile: ERROR -> Unable to create file \"%s\".\n", 
+            szNonReadableFile);
+    }
+
+    bRc = ReadFile(hFile, szBuffer, 20, &dwBytesRead, NULL);
+
+    if (bRc == TRUE)
+    {
+        Fail("ReadFile: ERROR -> Able to read from a file without read "
+            "permissions\n");
+    }
+#endif
+
+
+    PAL_Terminate();
+    return PASS;
+}