public void ArgumentNullException_GCDEuclidTest()
 {
     Assert.Throws <ArgumentNullException>(() => { GCDFinder.FindGCDwithEuclid(null); });
 }
 public void NotEnoughNumbers_GCDEuclidTest(int[] numbers)
 {
     Assert.Throws <ArgumentException>(() => { GCDFinder.FindGCDwithEuclid(numbers); });
 }
 public void NegativeContainingSequences_GCDEuclidTests(int[] numbers, int expectedResult)
 {
     Assert.AreEqual(expectedResult, GCDFinder.FindGCDwithEuclid(numbers));
 }