public void TestUnmodifiedList() { var expected = (new[] { 1, 2, 3, 4, 5 }).ToConsList(); var zipper = ConsListZipper <int> .ToZipper(expected); var result = zipper.ToList(); Assert.AreEqual(expected, result); }
public void TestEmptySet() { var expected = 1.LiftList(); var zipper = ConsListZipper <int> .ToZipper(ConsList.Nil <int>()); var result = zipper.Set(1).ToList(); Assert.AreEqual(expected, result); }
public void TestLast() { var initial = (new[] { 1, 2, 3, 4, 5 }).ToConsList(); var expected = (new[] { 1, 2, 3, 4, 6 }).ToConsList(); var zipper = ConsListZipper <int> .ToZipper(initial); var last = zipper.Last(); var lastVal = last.Get().GetOrError(() => new Exception("Unable to get last value of zipper.")); var result = last.Set(lastVal + 1).ToList(); Assert.AreEqual(expected, result); }