public void RotateMatrixTest_2x2()
        {
            int[,] testMatrix = new int[2, 2]
            {
                { 1, 2 },
                { 3, 4 }
            };
            int[,] expectedMatrix = new int[2, 2]
            {
                { 2, 4 },
                { 1, 3 }
            };

            int[,] resultMatrix = Question_1_7.RotateMatrix(testMatrix);
            TestHelper.AssertMatricesAreEqual(expectedMatrix, resultMatrix);
        }
        public void RotateMatrixTest_3x3()
        {
            int[,] testMatrix = new int[3, 3]
            {
                { 1, 2, 3 },
                { 4, 5, 6 },
                { 7, 8, 9 }
            };
            int[,] expectedMatrix = new int[3, 3]
            {
                { 3, 6, 9 },
                { 2, 5, 8 },
                { 1, 4, 7 }
            };

            int[,] resultMatrix = Question_1_7.RotateMatrix(testMatrix);
            TestHelper.AssertMatricesAreEqual(expectedMatrix, resultMatrix);
        }
        public void RotateMatrixTest_4x4()
        {
            int[,] testMatrix = new int[4, 4]
            {
                { 1, 2, 3, 4 },
                { 5, 6, 7, 8 },
                { 9, 10, 11, 12 },
                { 13, 14, 15, 16 }
            };
            int[,] expectedMatrix = new int[4, 4]
            {
                { 4, 8, 12, 16 },
                { 3, 7, 11, 15 },
                { 2, 6, 10, 14 },
                { 1, 5, 9, 13 }
            };

            int[,] resultMatrix = Question_1_7.RotateMatrix(testMatrix);
            TestHelper.AssertMatricesAreEqual(expectedMatrix, resultMatrix);
        }