Accord.Tests.Math.ElementComparerTest.ElementComparerConstructorTest C# (CSharp) Method

        public void ElementComparerConstructorTest()
        {
            double[][] values =
            {   //                 v
                new double[] {  0, 3, 0 },
                new double[] {  0, 4, 1 },
                new double[] { -1, 1, 1 },
                new double[] { -1, 5, 4 },
                new double[] { -2, 2, 6 },
            };

            // Sort the array considering only the second column
            Array.Sort(values, new ElementComparer() { Index = 1 });

            double[][] expected =
            {
                new double[] { -1, 1, 1 },
                new double[] { -2, 2, 6 },
                new double[] {  0, 3, 0 },
                new double[] {  0, 4, 1 },
                new double[] { -1, 5, 4 },
            };

            Assert.IsTrue(values.IsEqual(expected));
        }
    }