, DirectoryInfo actual,
                string message );
DirectoryAssert.AreEqual( DirectoryInfo expected, DirectoryInfo actual,
                string message, params object[] args );

DirectoryAssert.AreEqual( string expected, string actual );
DirectoryAssert.AreEqual( string expected, string actual,
                string message );
DirectoryAssert.AreEqual( string expected, string actual,
                string message, params object[] args );

DirectoryAssert.AreNotEqual( DirectoryInfo expected, Direc