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Rooted by: Sarai vs. Kadafi - Fizzbuzz
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  • Code 
    public class FizzBuzz
{
    public string GetOutput(int number) {
      bool divisThree = number % 3 == 0;
      bool divisFive = number % 5 == 0;
      // If the two values are different, one is true
      // If the two values are the same, both or neither are true
      return divisThree != divisFive
           ? divisThree ? "Fizz" : "Buzz"
           : divisThree ? "FizzBuzz" : number.ToString();
      // Fizz buzz is a popular computer science interview question.  
      // The function above is given a number - if the number is
      // divisible by 3, return "fizz", if it's divisible by 5, 
      // return "buzz", if not divisble by 3 or 5 - return the
      // number itself.
    }
}
     Test Cases 
    namespace Solution {
  using NUnit.Framework;
  [TestFixture]
  public class SolutionTest
  {
     [Test]
     public void GetOutput_InputIsAll()
     {
        var fizzbuzz = new FizzBuzz();
        var result = fizzbuzz.GetOutput(0);
        Assert.That(result, Is.EqualTo("FizzBuzz"));
        result = fizzbuzz.GetOutput(17);
        Assert.That(result, Is.EqualTo("17"));
        result = fizzbuzz.GetOutput(50);
        Assert.That(result, Is.EqualTo("Buzz"));
        result = fizzbuzz.GetOutput(73);
        Assert.That(result, Is.EqualTo("73"));
        result = fizzbuzz.GetOutput(99);
        Assert.That(result, Is.EqualTo("Fizz"));
        result = fizzbuzz.GetOutput(100);
        Assert.That(result, Is.EqualTo("Buzz"));
        // write your own test to test all numbers from 0 to 100
     }

    [Test]
     public void GetOutput_InputIs4_Return4()
     {
        var fizzbuzz = new FizzBuzz();
        var result = fizzbuzz.GetOutput(4);
        Assert.That(result, Is.EqualTo("4"));
     }
     [Test]
     public void GetOutput_InputIsDivisibleBy3_ReturnFizz()
     {
        var fizzbuzz = new FizzBuzz();
        var result = fizzbuzz.GetOutput(3);
        Assert.That(result, Is.EqualTo("Fizz"));
     }
     [Test]
     public void GetOutput_InputIsDivisibleBy5_ReturnBuzz()
     {
        var fizzbuzz = new FizzBuzz();
        var result = fizzbuzz.GetOutput(5);
        Assert.That(result, Is.EqualTo("Buzz"));
     }
     [Test]
     public void GetOutput_InputIsDivisibleBy5And3_ReturnFizzBuzz()
     {
        var fizzbuzz = new FizzBuzz();
        var result = fizzbuzz.GetOutput(15);
        Assert.That(result, Is.EqualTo("FizzBuzz"));
     }
  }
}
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  • Code
    • public class FizzBuzz
    • {
    • public string GetOutput(int number) {
    • if (number % 15 == 0) return "FizzBuzz";
    • else if (number % 3 == 0) return "Fizz";
    • else if (number % 5 == 0) return "Buzz";
    • else return number.ToString();
    • bool divisThree = number % 3 == 0;
    • bool divisFive = number % 5 == 0;
    • // If the two values are different, one is true
    • // If the two values are the same, both or neither are true
    • return divisThree != divisFive
    • ? divisThree ? "Fizz" : "Buzz"
    • : divisThree ? "FizzBuzz" : number.ToString();
    • // Fizz buzz is a popular computer science interview question.
    • // The function above is given a number - if the number is
    • // divisible by 3, return "fizz", if it's divisible by 5,
    • // return "buzz", if not divisble by 3 or 5 - return the
    • // number itself.
    • }
    • }