Tested on Windows 7.

git-svn-id: https://svn.microneil.com/svn/CodeDweller-Tests/trunk@32 b3372362-9eaa-4a85-aa2b-6faa1ab7c995

TestFilesystem/testFilesystem.cpp

 
     std::string fileName = testDirName + "/" + testFileName;
 
+    std::remove(fileName.c_str());
+    (void) createTestFile(fileName);
     std::remove(fileName.c_str());
 
     CodeDweller::FileReference fileRef(testDirName);
 
     fileRef.refresh();
 
-    size_t diffTimestamp = fileRef.ModTimestamp() - timestamp0;
+    size_t timestamp1 = fileRef.ModTimestamp();
+    size_t diffTimestamp = timestamp1 - timestamp0;
+
     if ((diffTimestamp < 4) || (6 < diffTimestamp)) {
       RETURN_FALSE("ModTimestamp() failure");
     }