public void Question03ShouldFlattenArray() { int[,] input = new int[3, 2]; input[0, 0] = 0; input[0, 1] = 1; input[1, 0] = 2; input[1, 1] = 3; input[2, 0] = 4; input[2, 1] = 5; int[] expected = new int[6] { 0, 1, 2, 3, 4, 5 }; int[] actual = Question03.FlattenArray <int>(input); Assert.True(Enumerable.SequenceEqual(expected, actual)); }