public void LengthOfLastWordTest()
{
var testCase = new ArrayQ();
Assert.AreEqual(5, testCase.LengthOfLastWord("Hello World"));
Assert.AreEqual(0, testCase.LengthOfLastWord(""));
Assert.AreEqual(0, testCase.LengthOfLastWord(" "));
Assert.AreEqual(6, testCase.LengthOfLastWord("How are you doing?"));
Assert.AreEqual(6, testCase.LengthOfLastWord("How are you doing? "));
}