public void TestBiggestBlackSquareLength() { int[] A = new int[] { 1, 2, 5, 3, 1, 3 }; int expected = 2; int actual = Lessons.BiggestBlackSquareLength(A); Assert.AreEqual(expected, actual); A = new int[] { 3, 3, 3, 5, 4 }; expected = 3; actual = Lessons.BiggestBlackSquareLength(A); Assert.AreEqual(expected, actual); A = new int[] { 6, 5, 5, 6, 2, 2 }; expected = 4; actual = Lessons.BiggestBlackSquareLength(A); Assert.AreEqual(expected, actual); }