How to use ClassWithIComparable class of NUnit.Framework.Constraints package

...109110        [Test]111        public void CanCompareIComparables()112        {113            ClassWithIComparable expected = new ClassWithIComparable(0);114            ClassWithIComparable actual = new ClassWithIComparable(42);115            Assert.That(actual, Is.GreaterThan(expected));116        }117118#if NET_2_0119        [Test]120        public void CanCompareIComparablesOfT()121        {122            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(0);123            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(42);124            Assert.That(actual, Is.GreaterThan(expected));125        }126#endif127    }128    #endregion129130    #region GreaterThanOrEqual131    [TestFixture]132    public class GreaterThanOrEqualTest : ComparisonConstraintTest133    {134        [SetUp]135        public void SetUp()136        {137            theConstraint = comparisonConstraint = new GreaterThanOrEqualConstraint(5);138            expectedDescription = "greater than or equal to 5";139            stringRepresentation = "<greaterthanorequal 5>";140        }141142        object[] SuccessData = new object[] { 6, 5 };143144        object[] FailureData = new object[] { 4 };145146        string[] ActualValues = new string[] { "4" };147148        object[] InvalidData = new object[] { null, "xxx" };149150        [Test]151        public void CanCompareIComparables()152        {153            ClassWithIComparable expected = new ClassWithIComparable(0);154            ClassWithIComparable actual = new ClassWithIComparable(42);155            Assert.That(actual, Is.GreaterThanOrEqualTo(expected));156        }157158#if NET_2_0159        [Test]160        public void CanCompareIComparablesOfT()161        {162            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(0);163            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(42);164            Assert.That(actual, Is.GreaterThanOrEqualTo(expected));165        }166#endif167    }168    #endregion169170    #region LessThan171    [TestFixture]172    public class LessThanTest : ComparisonConstraintTest173    {174        [SetUp]175        public void SetUp()176        {177            theConstraint = comparisonConstraint = new LessThanConstraint(5);178            expectedDescription = "less than 5";179            stringRepresentation = "<lessthan 5>";180        }181182        object[] SuccessData = new object[] { 4, 4.999 };183184        object[] FailureData = new object[] { 6, 5 };185186        string[] ActualValues = new string[] { "6", "5" };187188        object[] InvalidData = new object[] { null, "xxx" };189190        [Test]191        public void CanCompareIComparables()192        {193            ClassWithIComparable expected = new ClassWithIComparable(42);194            ClassWithIComparable actual = new ClassWithIComparable(0);195            Assert.That(actual, Is.LessThan(expected));196        }197198#if NET_2_0199        [Test]200        public void CanCompareIComparablesOfT()201        {202            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(42);203            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(0);204            Assert.That(actual, Is.LessThan(expected));205        }206#endif207    }208    #endregion209210    #region LessThanOrEqual211    [TestFixture]212    public class LessThanOrEqualTest : ComparisonConstraintTest213    {214        [SetUp]215        public void SetUp()216        {217            theConstraint = comparisonConstraint = new LessThanOrEqualConstraint(5);218            expectedDescription = "less than or equal to 5";219            stringRepresentation = "<lessthanorequal 5>";220        }221222        object[] SuccessData = new object[] { 4, 5 };223224        object[] FailureData = new object[] { 6 };225226        string[] ActualValues = new string[] { "6" };227228        object[] InvalidData = new object[] { null, "xxx" };229230        [Test]231        public void CanCompareIComparables()232        {233            ClassWithIComparable expected = new ClassWithIComparable(42);234            ClassWithIComparable actual = new ClassWithIComparable(0);235            Assert.That(actual, Is.LessThanOrEqualTo(expected));236        }237238#if NET_2_0239        [Test]240        public void CanCompareIComparablesOfT()241        {242            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(42);243            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(0);244            Assert.That(actual, Is.LessThanOrEqualTo(expected));245        }246#endif247    }248    #endregion249250    #region RangeConstraint251    [TestFixture]252    public class RangeConstraintTest : ConstraintTestBaseWithArgumentException253    {254        RangeConstraint rangeConstraint;255256        [SetUp]257        public void SetUp()258        {259            theConstraint = rangeConstraint = new RangeConstraint(5, 42);260            expectedDescription = "in range (5,42)";261            stringRepresentation = "<range 5 42>";262        }263264        object[] SuccessData = new object[] { 5, 23, 42 };265266        object[] FailureData = new object[] { 4, 43 };267268        string[] ActualValues = new string[] { "4", "43" };269270        object[] InvalidData = new object[] { null, "xxx" };271272        [Test]273        public void UsesProvidedIComparer()274        {275            MyComparer comparer = new MyComparer();276            Assert.That(rangeConstraint.Using(comparer).Matches(19));277            Assert.That(comparer.Called, "Comparer was not called");278        }279280        class MyComparer : IComparer281        {282            public bool Called;283284            public int Compare(object x, object y)285            {286                Called = true;287                return Comparer.Default.Compare(x, y);288            }289        }290291#if NET_2_0292        [Test]293        public void UsesProvidedComparerOfT()294        {295            MyComparer<int> comparer = new MyComparer<int>();296            Assert.That(rangeConstraint.Using(comparer).Matches(19));297            Assert.That(comparer.Called, "Comparer was not called");298        }299300        class MyComparer<T> : IComparer<T>301        {302            public bool Called;303304            public int Compare(T x, T y)305            {306                Called = true;307                return Comparer<T>.Default.Compare(x, y);308            }309        }310311        [Test]312        public void UsesProvidedComparisonOfT()313        {314            MyComparison<int> comparer = new MyComparison<int>();315            Assert.That(rangeConstraint.Using(new Comparison<int>(comparer.Compare)).Matches(19));316            Assert.That(comparer.Called, "Comparer was not called");317        }318319        class MyComparison<T>320        {321            public bool Called;322323            public int Compare(T x, T y)324            {325                Called = true;326                return Comparer<T>.Default.Compare(x, y);327            }328        }329330#if CSHARP_3_0331        [Test]332        public void UsesProvidedLambda()333        {334            Comparison<int> comparer = (x, y) => x.CompareTo(y);335            Assert.That(rangeConstraint.Using(comparer).Matches(19));336        }337#endif338#endif339    }340    #endregion341342    #region Test Classes343    class ClassWithIComparable : IComparable344    {345        private int val;346347        public ClassWithIComparable(int val)348        {349            this.val = val;350        }351352        public int CompareTo(object x)353        {354            ClassWithIComparable other = x as ClassWithIComparable;355            if (x is ClassWithIComparable)356                return val.CompareTo(other.val);357358            throw new ArgumentException();359        }360    }361362#if NET_2_0363    class ClassWithIComparableOfT : IComparable<ClassWithIComparableOfT>364    {365        private int val;366367        public ClassWithIComparableOfT(int val)368        {369            this.val = val;370        }371372        public int CompareTo(ClassWithIComparableOfT other)373        {374            return val.CompareTo(other.val);375        }376    }377#endif378    #endregion
...

...48        }49        [Test]50        public void Comparables()51        {52            var greater = new ClassWithIComparable(42);53            var lesser = new ClassWithIComparable(-42);54            Assert.That(comparer.Compare(greater, lesser) > 0);55            Assert.That(comparer.Compare(lesser, greater) < 0);56        }57        [Test]58        public void ComparablesOfT()59        {60            var greater = new ClassWithIComparableOfT(42);61            var lesser = new ClassWithIComparableOfT(-42);62            Assert.That(comparer.Compare(greater, lesser) > 0);63            Assert.That(comparer.Compare(lesser, greater) < 0);64        }65        [Test]66        public void ComparablesOfInt1()67        {68            int greater = 42;69            var lesser = new ClassWithIComparableOfT(-42);70            Assert.That(comparer.Compare(greater, lesser) > 0);71            Assert.That(comparer.Compare(lesser, greater) < 0);72        }73        [Test]74        public void ComparablesOfInt2()75        {76            var greater = new ClassWithIComparableOfT(42);77            int lesser = -42;78            Assert.That(comparer.Compare(greater, lesser) > 0);79            Assert.That(comparer.Compare(lesser, greater) < 0);80        }81        [Test]82        public void ComparablesOfInt3()83        {84            short greater = 42;85            var lesser = new ClassWithIComparableOfT(-42);86            Assert.That(comparer.Compare(greater, lesser) > 0);87            Assert.That(comparer.Compare(lesser, greater) < 0);88        }89        #region Comparison Test Classes90        private class ClassWithIComparable : IComparable91        {92            private readonly int val;93            public ClassWithIComparable(int val)94            {95                this.val = val;96            }97            public int CompareTo(object x)98            {99                ClassWithIComparable other = x as ClassWithIComparable;100                if (x is ClassWithIComparable)101                    return val.CompareTo(other.val);102                throw new ArgumentException();103            }104        }105        private class ClassWithIComparableOfT : IComparable<ClassWithIComparableOfT>, IComparable<int>106        {107            private readonly int val;108            public ClassWithIComparableOfT(int val)109            {110                this.val = val;111            }112            public int CompareTo(ClassWithIComparableOfT other)113            {114                return val.CompareTo(other.val);115            }116            public int CompareTo(int other)117            {118                return val.CompareTo(other);119            }120        }121        #endregion122    }123}...

...74#endif75    }76    #endregion77    #region Test Classes78    class ClassWithIComparable : IComparable79    {80        private int val;81        public ClassWithIComparable(int val)82        {83            this.val = val;84        }85        public int CompareTo(object x)86        {87            ClassWithIComparable other = x as ClassWithIComparable;88            if (x is ClassWithIComparable)89                return val.CompareTo(other.val);90            throw new ArgumentException();91        }92    }93#if CLR_2_0 || CLR_4_094    class ClassWithIComparableOfT : IComparable<ClassWithIComparableOfT>95    {96        private int val;97        public ClassWithIComparableOfT(int val)98        {99            this.val = val;100        }101        public int CompareTo(ClassWithIComparableOfT other)102        {103            return val.CompareTo(other.val);104        }105    }106#endif107    #endregion108}...

...44        }45    }46    #endregion47    #region Comparison Test Classes48    class ClassWithIComparable : IComparable49    {50        private readonly int val;51        public ClassWithIComparable(int val)52        {53            this.val = val;54        }55        public int CompareTo(object x)56        {57            ClassWithIComparable other = x as ClassWithIComparable;58            if (x is ClassWithIComparable)59                return val.CompareTo(other.val);60            throw new ArgumentException();61        }62    }63    class ClassWithIComparableOfT : IComparable<ClassWithIComparableOfT>, IComparable<int>64    {65        private readonly int val;66        public ClassWithIComparableOfT(int val)67        {68            this.val = val;69        }70        public int CompareTo(ClassWithIComparableOfT other)71        {72            return val.CompareTo(other.val);73        }74        public int CompareTo(int other)75        {76            return val.CompareTo(other);77        }78    }79    #endregion80}...

...21        internal object[] InvalidData = new object[] { null, "xxx" };22        [Test]23        public void CanCompareIComparables()24        {25            ClassWithIComparable expected = new ClassWithIComparable(0);26            ClassWithIComparable actual = new ClassWithIComparable(42);27            Assert.That(actual, Is.GreaterThanOrEqualTo(expected));28        }29#if CLR_2_0 || CLR_4_030        [Test]31        public void CanCompareIComparablesOfT()32        {33            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(0);34            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(42);35            Assert.That(actual, Is.GreaterThanOrEqualTo(expected));36        }37#endif38    }39}...

...21        internal object[] InvalidData = new object[] { null, "xxx" };22        [Test]23        public void CanCompareIComparables()24        {25            ClassWithIComparable expected = new ClassWithIComparable(42);26            ClassWithIComparable actual = new ClassWithIComparable(0);27            Assert.That(actual, Is.LessThanOrEqualTo(expected));28        }29#if CLR_2_0 || CLR_4_030        [Test]31        public void CanCompareIComparablesOfT()32        {33            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(42);34            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(0);35            Assert.That(actual, Is.LessThanOrEqualTo(expected));36        }37#endif38    }39}...

...21        internal object[] InvalidData = new object[] { null, "xxx" };22        [Test]23        public void CanCompareIComparables()24        {25            ClassWithIComparable expected = new ClassWithIComparable(0);26            ClassWithIComparable actual = new ClassWithIComparable(42);27            Assert.That(actual, Is.GreaterThan(expected));28        }29#if CLR_2_0 || CLR_4_030        [Test]31        public void CanCompareIComparablesOfT()32        {33            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(0);34            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(42);35            Assert.That(actual, Is.GreaterThan(expected));36        }37#endif38    }39}...

...21        internal object[] InvalidData = new object[] { null, "xxx" };22        [Test]23        public void CanCompareIComparables()24        {25            ClassWithIComparable expected = new ClassWithIComparable(42);26            ClassWithIComparable actual = new ClassWithIComparable(0);27            Assert.That(actual, Is.LessThan(expected));28        }29#if CLR_2_0 || CLR_4_030        [Test]31        public void CanCompareIComparablesOfT()32        {33            ClassWithIComparableOfT expected = new ClassWithIComparableOfT(42);34            ClassWithIComparableOfT actual = new ClassWithIComparableOfT(0);35            Assert.That(actual, Is.LessThan(expected));36        }37#endif38    }39}...

1using NUnit.Framework.Constraints;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        static void Main(string[] args)10        {11            ClassWithIComparable c1 = new ClassWithIComparable(1);12            ClassWithIComparable c2 = new ClassWithIComparable(2);13            ClassWithIComparable c3 = new ClassWithIComparable(3);14            List<ClassWithIComparable> list = new List<ClassWithIComparable>();15            list.Add(c2);16            list.Add(c1);17            list.Add(c3);18            list.Sort();19            foreach (ClassWithIComparable c in list)20            {21                Console.WriteLine(c);22            }23        }24    }25}26using NUnit.Framework.Constraints;27using System;28using System.Collections.Generic;29using System.Linq;30using System.Text;31using System.Threading.Tasks;32{33    {34        static void Main(string[] args)35        {36            ClassWithIComparable c1 = new ClassWithIComparable(1);37            ClassWithIComparable c2 = new ClassWithIComparable(2);38            ClassWithIComparable c3 = new ClassWithIComparable(3);39            List<ClassWithIComparable> list = new List<ClassWithIComparable>();40            list.Add(c2);41            list.Add(c1);42            list.Add(c3);43            list.Sort();44            foreach (ClassWithIComparable c in list)45            {46                Console.WriteLine(c);47            }48        }49    }50}51using NUnit.Framework.Constraints;52using System;53using System.Collections.Generic;54using System.Linq;55using System.Text;56using System.Threading.Tasks;57{58    {59        static void Main(string[] args)60        {61            ClassWithIComparable c1 = new ClassWithIComparable(1);62            ClassWithIComparable c2 = new ClassWithIComparable(2);63            ClassWithIComparable c3 = new ClassWithIComparable(3);64            List<ClassWithIComparable> list = new List<ClassWithIComparable>();65            list.Add(c2);66            list.Add(c1);67            list.Add(c3);

1using NUnit.Framework.Constraints;2using System;3{4    {5        public int CompareTo(object obj)6        {7            throw new NotImplementedException();8        }9    }10}11using NUnit.Framework.Constraints;12using System;13{14    {15        public int CompareTo(object obj)16        {17            throw new NotImplementedException();18        }19    }20}21using NUnit.Framework.Constraints;22using System;23{24    {25        public int CompareTo(object obj)26        {27            throw new NotImplementedException();28        }29    }30}31using NUnit.Framework.Constraints;32using System;33{34    {35        public int CompareTo(object obj)36        {37            throw new NotImplementedException();38        }39    }40}41using NUnit.Framework.Constraints;42using System;43{44    {45        public int CompareTo(object obj)46        {47            throw new NotImplementedException();48        }49    }50}51using NUnit.Framework.Constraints;52using System;53{54    {55        public int CompareTo(object obj)56        {57            throw new NotImplementedException();58        }59    }60}61using NUnit.Framework.Constraints;62using System;63{64    {65        public int CompareTo(object obj)66        {67            throw new NotImplementedException();68        }69    }70}

1using NUnit.Framework.Constraints;2using System;3{4    {5        static void Main(string[] args)6        {7            Console.WriteLine("Hello World!");8            ClassWithIComparable c = new ClassWithIComparable();9            Console.WriteLine(c);10        }11    }12}13{14    {15        public int CompareTo(object obj)16        {17            return 0;18        }19    }20}21{22    {23        int CompareTo(object obj);24    }25}26{27    {28        int CompareTo(object obj);29    }30}31{32    {33        public virtual bool Equals(object obj);34        public virtual int GetHashCode();35        public virtual string ToString();

1using NUnit.Framework.Constraints;2using System;3using System.Collections.Generic;4{5    {6        static void Main(string[] args)7        {8            var list = new List<ClassWithIComparable>();9            list.Add(new ClassWithIComparable { Name = "A", Value = 1 });10            list.Add(new ClassWithIComparable { Name = "B", Value = 2 });11            list.Add(new ClassWithIComparable { Name = "C", Value = 3 });12            list.Add(new ClassWithIComparable { Name = "D", Value = 4 });13            list.Add(new ClassWithIComparable { Name = "E", Value = 5 });14            list.Add(new ClassWithIComparable { Name = "F", Value = 6 });15            list.Add(new ClassWithIComparable { Name = "G", Value = 7 });16            list.Add(new ClassWithIComparable { Name = "H", Value = 8 });17            list.Add(new ClassWithIComparable { Name = "I", Value = 9 });18            list.Add(new ClassWithIComparable { Name = "J", Value = 10 });19            list.Add(new ClassWithIComparable { Name = "K", Value = 11 });20            list.Add(new ClassWithIComparable { Name = "L", Value = 12 });21            list.Add(new ClassWithIComparable { Name = "M", Value = 13 });22            list.Add(new ClassWithIComparable { Name = "N", Value = 14 });23            list.Add(new ClassWithIComparable { Name = "O", Value = 15 });24            list.Add(new ClassWithIComparable { Name = "P", Value = 16 });25            list.Add(new ClassWithIComparable { Name = "Q", Value = 17 });26            list.Add(new ClassWithIComparable { Name = "R", Value = 18 });27            list.Add(new ClassWithIComparable { Name = "S", Value = 19 });28            list.Add(new ClassWithIComparable { Name = "T", Value = 20 });29            list.Add(new ClassWithIComparable { Name = "U", Value = 21 });30            list.Add(new ClassWithIComparable { Name = "V", Value = 22 });31            list.Add(new ClassWithIComparable { Name = "W", Value = 23 });32            list.Add(new ClassWithIComparable { Name = "X",

1using NUnit.Framework.Constraints;2{3    {4        public int CompareTo(object obj)5        {6            throw new NotImplementedException();7        }8    }9}10using NUnit.Framework.Constraints;11{12    {13        public int CompareTo(object obj)14        {15            throw new NotImplementedException();16        }17    }18}19using NUnit.Framework.Constraints;20{21    {22        public int CompareTo(object obj)23        {24            throw new NotImplementedException();25        }26    }27}28using NUnit.Framework.Constraints;29{30    {31        public int CompareTo(object obj)32        {33            throw new NotImplementedException();34        }35    }36}37using NUnit.Framework.Constraints;38{39    {40        public int CompareTo(object obj)41        {42            throw new NotImplementedException();43        }44    }45}46using NUnit.Framework.Constraints;47{48    {49        public int CompareTo(object obj)50        {51            throw new NotImplementedException();52        }53    }54}55using NUnit.Framework.Constraints;56{57    {58        public int CompareTo(object obj)59        {60            throw new NotImplementedException();61        }62    }63}64using NUnit.Framework.Constraints;65{66    {67        public int CompareTo(object obj)68        {

1using NUnit.Framework.Constraints;2using System;3using System.Collections.Generic;4using System.Linq;5using System.Text;6using System.Threading.Tasks;7{8    {9        public void Test()10        {11            var classWithIComparable = new ClassWithIComparable();12            classWithIComparable.Test();13        }14    }15}16using NUnit.Framework.Constraints;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22{23    {24        public void Test()25        {26            var classWithIComparable = new ClassWithIComparable();27            classWithIComparable.Test();28        }29    }30}31Error   1   The type or namespace name 'ClassWithIComparable' could not be found (are you missing a using directive or an assembly reference?)    3   C:\Users\...\3.cs   7  Active

1using System;2using NUnit.Framework.Constraints;3{4    static void Main(string[] args)5    {6        ClassWithIComparable c = new ClassWithIComparable();7        Console.WriteLine(c.CompareTo(1));8    }9}10using System;11using NUnit.Framework.Constraints;12{13    static void Main(string[] args)14    {15        ClassWithIComparable c = new ClassWithIComparable();16        Console.WriteLine(c.CompareTo("1"));17    }18}

1using NUnit.Framework.Constraints;2using System;3{4    {5        static void Main(string[] args)6        {7            var obj = new ClassWithIComparable();8            Console.WriteLine(obj.CompareTo("Hello"));9            Console.ReadLine();10        }11    }12}13Recommended Posts: C# | IComparable.CompareTo() Method14C# | IComparable<T>.CompareTo(T) Method15C# | IComparable<T>.CompareTo() Method16C# | IComparable.CompareTo() Method17C# | IComparable<T>.CompareTo(T) Method18C# | IComparable<T>.CompareTo() Method19C# | IComparable.CompareTo() Method20C# | IComparable<T>.CompareTo(T) Method21C# | IComparable<T>.CompareTo() Method22C# | IComparable.CompareTo() Method23C# | IComparable<T>.CompareTo(T) Method24C# | IComparable<T>.CompareTo() Method25C# | IComparable.CompareTo() Method26C# | IComparable<T>.CompareTo(T) Method27C# | IComparable<T>.CompareTo() Method28C# | IComparable.CompareTo() Method29C# | IComparable<T>.CompareTo(T) Method30C# | IComparable<T>.CompareTo() Method31C# | IComparable.CompareTo() Method32C# | IComparable<T>.CompareTo(T) Method33C# | IComparable<T>.CompareTo() Method34C# | IComparable.CompareTo() Method35C# | IComparable<T>.CompareTo(T) Method36C# | IComparable<T>.CompareTo() Method37C# | IComparable.CompareTo() Method38C# | IComparable<T>.CompareTo(T) Method39C# | IComparable<T>.CompareTo() Method40C# | IComparable.CompareTo() Method41C# | IComparable<T>.CompareTo(T) Method42C# | IComparable<T>.CompareTo() Method43C# | IComparable.CompareTo() Method44C# | IComparable<T>.CompareTo(T) Method45C# | IComparable<T>.CompareTo() Method46C# | IComparable.CompareTo() Method47C# | IComparable<T>.CompareTo(T) Method48C# | IComparable<T>.CompareTo() Method

1using NUnit.Framework.Constraints;2using System;3{4    {5        public int CompareTo(object obj)6        {7            if (obj == null) return 1;8            ClassWithIComparable otherClass = obj as ClassWithIComparable;9            if (otherClass != null)10                return this.Id.CompareTo(otherClass.Id);11                throw new ArgumentException("Object is not a ClassWithIComparable");12        }13        public int Id { get; set; }14    }15}16using MyNamespace;17using System;18using System.Collections.Generic;19using System.Linq;20using System.Text;21using System.Threading.Tasks;22{23    {24        public static void Main(string[] args)25        {26            ClassWithIComparable c1 = new ClassWithIComparable();27            c1.Id = 1;28            ClassWithIComparable c2 = new ClassWithIComparable();29            c2.Id = 2;30            Console.WriteLine(c1.CompareTo(c2));31            Console.ReadLine();32        }33    }34}35using NUnit.Framework;36using MyNamespace;37{38    {39        public void Test1()40        {41            ClassWithIComparable c1 = new ClassWithIComparable();42            c1.Id = 1;43            ClassWithIComparable c2 = new ClassWithIComparable();44            c2.Id = 2;45            Assert.AreEqual(c1.Id, c2.Id);46        }47    }48}49     at MyNamespace.ClassWithIComparable.CompareTo(Object obj) in C:\Users\user\Desktop\NUnitTest\NUnitTest\2.cs:line 650   at System.Collections.Generic.Comparer`1.System.Collections.IComparer.Compare(Object x, Object y)51   at System.Collections.Generic.List`1.InsertionSort(IComparer`1 comparer, Int32 lo, Int32 hi)52   at System.Collections.Generic.List`1.Sort(IComparer`1 comparer)53   at System.Linq.Enumerable.OrderBy[TSource,TKey](IEnumerable`