public void should_return_empty_sequence_when_empty_sequence_is_given() { var emptySequence = new List <int>(); var selector = new EvenNumbersSelector(); Assert.IsEmpty(selector.Select(emptySequence)); }
public void EvenAndOddNumbers_PickOnlyOddNumbers() { var sut = new EvenNumbersSelector(); int[] numbers = { 3, 4, 5, 6, 8 }; var result = sut.Pick(numbers).Sum(); Assert.That(result, Is.EqualTo(18)); }
public void should_return_empty_sequence_when_there_are_no_even_numbers() { var oddSequence = new List <int>() { 3, 5, 355, 321, 45 }; var selector = new EvenNumbersSelector(); Assert.IsEmpty(selector.Select(oddSequence)); }
public void should_return_all_even_numbers_from_sequence() { var testSequence = new List <int>() { 1, 2, 3, 6, 4, 15, 23 }; var correctResultSequence = new List <int>() { 2, 6, 4 }; var selector = new EvenNumbersSelector(); CollectionAssert.AreEqual(correctResultSequence, selector.Select(testSequence)); }