Accord.Tests.Interop.Math.LibBFGSComparisonTest.ParameterRangeTest C# (CSharp) Method

        public void ParameterRangeTest()
        {
            LBFGSComparer[] tests =
            {
                new LBFGSComparer() { m = -1 },
                new LBFGSComparer() { epsilon = -1 },
                new LBFGSComparer() { past = -1 },
                new LBFGSComparer() { delta = -1},
                new LBFGSComparer() { max_iterations = -1 },
                new LBFGSComparer() { linesearch = (LineSearch)5 },
                new LBFGSComparer() { max_linesearch = -1 },
                new LBFGSComparer() { min_step = -1},
                new LBFGSComparer() { max_step = -1 },
                new LBFGSComparer() { ftol = -1 },
                new LBFGSComparer() { wolfe = -1 },
                new LBFGSComparer() { gtol = -1 },
                new LBFGSComparer() { xtol = -1 },
                new LBFGSComparer() { orthantwise_c = -1 },
                new LBFGSComparer() { orthantwise_start = -1 },
                new LBFGSComparer() { orthantwise_end = -1 },

                new LBFGSComparer()
                { 
                    linesearch = LineSearch.RegularWolfe,
                    wolfe = -1
                },

                new LBFGSComparer()
                { 
                    linesearch = LineSearch.StrongWolfe,
                    wolfe = -1
                },

                new LBFGSComparer()
                { 
                    orthantwise_end = 2,
                    orthantwise_start = 3,
                },
            };

            var problem = problems[0];

            for (int i = 0; i < tests.Length; i++)
            {
                var test = tests[i];

                string actual = String.Empty;
                string expected = String.Empty;
                try { test.Actual(problem); }
                catch (Exception ex)
                {
                    actual = ex.Data["Code"] as string;
                    if (actual == null)
                        throw;
                }

                test.Expected(problem);
                expected = test.NativeCode;

                if (actual == String.Empty)
                    actual = test.ActualMessage;

                Assert.AreEqual(expected, actual);
                Assert.AreNotEqual(String.Empty, actual);
            }
        }