public void CharactersAreConvertedToUnicodeSequences()
 {
     Assert.AreEqual(@"\u0009", JS.CharToUnicode('\t'));
     Assert.AreEqual(@"\u0020", JS.CharToUnicode(' '));
     Assert.AreEqual(@"\u000d", JS.CharToUnicode('\r'));
     Assert.AreEqual(@"\u000a", JS.CharToUnicode('\n'));
     Assert.AreEqual(@"\u005c", JS.CharToUnicode('\\'));
 }