using Xunit;

namespace AppTesting
{
    public class SearchMinValueTests
    {
        public class WayTests
        {
            public class Way1
            {
                [Fact]
                public void SearchMinValue_Way_1()
                {
                    double[]? inputData = null;
                    var result = Program.SearchMinValue(inputData!);
                    Assert.Null(result);
                }
            }

            public class Way2
            {
                [Fact]
                public void SearchMinValue_Way_2()
                {
                    double[] inputData = new double[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Null(result);
                }
            }

            public class Way3
            {
                [Fact]
                public void SearchMinValue_Way_3_1()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_3_1_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_3_1_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_3_2()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_3_2_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_3_2_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_3_3()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_3_3_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_3_3_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_3_4()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_3_4_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_3_4_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_3_5()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_3_5_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_3_5_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }
            }

            public class Way4
            {
                [Fact]
                public void SearchMinValue_Way_4_1()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_4_1_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_4_1_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_4_2()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_4_2_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_4_2_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_4_3()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_4_3_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_4_3_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_4_4()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_4_4_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_4_4_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_4_5()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_4_5_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_4_5_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }
            }

            public class Way5
            {
                [Fact]
                public void SearchMinValue_Way_5_1()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_5_1_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_5_1_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_5_2()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_5_2_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_5_2_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_5_3()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_5_3_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_5_3_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_5_4()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_5_4_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_5_4_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }

                [Fact]
                public void SearchMinValue_Way_5_5()
                {
                    double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_way_5_5_minValue.txt"));
                    var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_way_5_5_minValue.txt"))[0];
                    var result = Program.SearchMinValue(inputData);
                    Assert.Equal(expected, result);
                }
            }
        }

        public class EquivalenceClassTests
        {
            // Тесты областей эквивалентности для SearchMinValue
            [Fact]
            public void SearchMinValue_EquivalenceClass_MinBoundary()
            {
                double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_eq_min_1_MinValue.txt"));
                var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_eq_min_1_MinValue.txt"))[0];
                var result = Program.SearchMinValue(inputData);
                Assert.Equal(expected, result);
            }

            [Fact]
            public void SearchMinValue_EquivalenceClass_Negative()
            {
                double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_eq_neg_inside_1_MinValue.txt"));
                var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_eq_neg_inside_1_MinValue.txt"))[0];
                var result = Program.SearchMinValue(inputData);
                Assert.Equal(expected, result);
            }

            [Fact]
            public void SearchMinValue_EquivalenceClass_Zero()
            {
                double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_eq_zero_1_MinValue.txt"));
                var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_eq_zero_1_MinValue.txt"))[0];
                var result = Program.SearchMinValue(inputData);
                Assert.Equal(expected, result);
            }

            [Fact]
            public void SearchMinValue_EquivalenceClass_Positive()
            {
                double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_eq_pos_inside_1_MinValue.txt"));
                var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_eq_pos_inside_1_MinValue.txt"))[0];
                var result = Program.SearchMinValue(inputData);
                Assert.Equal(expected, result);
            }

            [Fact]
            public void SearchMinValue_EquivalenceClass_MaxBoundary()
            {
                double[] inputData = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "input_eq_max_1_MinValue.txt"));
                var expected = Program.ReadData(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "TestData", "expected_eq_max_1_MinValue.txt"))[0];
                var result = Program.SearchMinValue(inputData);
                Assert.Equal(expected, result);
            }
        }
    }
}