public void When_ListIsEmpty_Then_ShouldReturnNull(int num) { List <int> a = new List <int>(); PairFinder pf = new PairFinder(a); Assert.IsNull(pf.FindPairForNum(num)); }
public void When_NegativeMatchFound_Then_ShouldReturnNull() { List <int> a = new List <int> { -5, -2 }; PairFinder pf = new PairFinder(a); Assert.IsNotNull(pf.FindPairForNum(-7)); }
public void When_PositiveMatchFound_Then_ShouldReturnNull() { List <int> a = new List <int> { 1, 2 }; PairFinder pf = new PairFinder(a); Assert.IsNotNull(pf.FindPairForNum(3)); }