Accord.Tests.Math.MatrixTest.CartesianProductTest C# (CSharp) Method

        public void CartesianProductTest()
        {
            int[][] sequences = 
            {
                new int[] { 1, 2, 3},
                new int[] { 4, 5, 6},
            };

            var actual = Matrix.CartesianProduct(sequences);

            var list = new List<int[]>();
            foreach (IEnumerable<int> point in actual)
                list.Add(new List<int>(point).ToArray());

            var points = list.ToArray();

            Assert.IsTrue(points[0].IsEqual(new int[] { 1, 4 }));
            Assert.IsTrue(points[1].IsEqual(new int[] { 1, 5 }));
            Assert.IsTrue(points[2].IsEqual(new int[] { 1, 6 }));
            Assert.IsTrue(points[3].IsEqual(new int[] { 2, 4 }));
            Assert.IsTrue(points[4].IsEqual(new int[] { 2, 5 }));
            Assert.IsTrue(points[5].IsEqual(new int[] { 2, 6 }));
            Assert.IsTrue(points[6].IsEqual(new int[] { 3, 4 }));
            Assert.IsTrue(points[7].IsEqual(new int[] { 3, 5 }));
            Assert.IsTrue(points[8].IsEqual(new int[] { 3, 6 }));

        }