public void Distinct_With_ValidData_Must_Succeed(int[] source) { // Arrange var wrapped = Wrap.AsValueEnumerable(source); var expected = System.Linq.Enumerable.Distinct(wrapped); // Act var result = ValueEnumerable .Distinct <Wrap.ValueEnumerable <int>, Wrap.Enumerator <int>, int>(wrapped); // Assert _ = result.Must() .BeEnumerableOf <int>() .BeEqualTo(expected); }