public void CheckInputTest() { //Arrange FizzBuzz fizzBuzz = new FizzBuzz(); //Asser Assert.AreEqual(5, fizzBuzz.CheckInput("5")); Assert.AreEqual(0, fizzBuzz.CheckInput("k")); Assert.AreEqual(0, fizzBuzz.CheckInput("305")); Assert.AreEqual(0, fizzBuzz.CheckInput("-1")); Assert.AreEqual(0, fizzBuzz.CheckInput("0")); Assert.AreEqual(42, fizzBuzz.CheckInput("42")); Assert.AreEqual(90, fizzBuzz.CheckInput("90")); }