Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use CastOrThrow method of NUnit.Framework.Constraints.EqualityComparerAdapter class

Best Nunit code snippet using NUnit.Framework.Constraints.EqualityComparerAdapter.CastOrThrow

EqualityAdapter.cs

Source:EqualityAdapter.cs

...116            public override bool CanCompare(object x, object y)117            {118                return TypeHelper.CanCast<T>(x) && TypeHelper.CanCast<T>(y);119            }120            protected void CastOrThrow(object x, object y, out T xValue, out T yValue)121            {122                if (!TypeHelper.TryCast(x, out xValue))123                    throw new ArgumentException($"Cannot compare {x?.ToString() ?? "null"}");124                if (!TypeHelper.TryCast(y, out yValue))125                    throw new ArgumentException($"Cannot compare {y?.ToString() ?? "null"}");126            }127        }128        #endregion129        #region Nested IEqualityComparer<T> Adapter130        /// <summary>131        /// Returns an <see cref="EqualityAdapter"/> that wraps an <see cref="IEqualityComparer{T}"/>.132        /// </summary>133        public static EqualityAdapter For<T>(IEqualityComparer<T> comparer)134        {135            return new EqualityComparerAdapter<T>(comparer);136        }137        class EqualityComparerAdapter<T> : GenericEqualityAdapter<T>138        {139            private readonly IEqualityComparer<T> comparer;140            public EqualityComparerAdapter(IEqualityComparer<T> comparer)141            {142                this.comparer = comparer;143            }144            public override bool AreEqual(object x, object y)145            {146                CastOrThrow(x, y, out var xValue, out var yValue);147                return comparer.Equals(xValue, yValue);148            }149        }150        #endregion151        #region Nested IComparer<T> Adapter152        /// <summary>153        /// Returns an <see cref="EqualityAdapter"/> that wraps an <see cref="IComparer{T}"/>.154        /// </summary>155        public static EqualityAdapter For<T>(IComparer<T> comparer)156        {157            return new ComparerAdapter<T>(comparer);158        }159        /// <summary>160        /// <see cref="EqualityAdapter"/> that wraps an <see cref="IComparer"/>.161        /// </summary>162        class ComparerAdapter<T> : GenericEqualityAdapter<T>163        {164            private readonly IComparer<T> comparer;165            public ComparerAdapter(IComparer<T> comparer)166            {167                this.comparer = comparer;168            }169            public override bool AreEqual(object x, object y)170            {171                CastOrThrow(x, y, out var xValue, out var yValue);172                return comparer.Compare(xValue, yValue) == 0;173            }174        }175        #endregion176        #region Nested Comparison<T> Adapter177        /// <summary>178        /// Returns an <see cref="EqualityAdapter"/> that wraps a <see cref="Comparison{T}"/>.179        /// </summary>180        public static EqualityAdapter For<T>(Comparison<T> comparer)181        {182            return new ComparisonAdapter<T>(comparer);183        }184        class ComparisonAdapter<T> : GenericEqualityAdapter<T>185        {186            private readonly Comparison<T> comparer;187            public ComparisonAdapter(Comparison<T> comparer)188            {189                this.comparer = comparer;190            }191            public override bool AreEqual(object x, object y)192            {193                CastOrThrow(x, y, out var xValue, out var yValue);194                return comparer.Invoke(xValue, yValue) == 0;195            }196        }197#endregion198    }199}...

CastOrThrow

Using AI Code Generation

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            EqualityComparerAdapter eca = new EqualityComparerAdapter(new CustomEqualityComparer());12            eca.CastOrThrow(1, 2, "hello", "hello");13        }14    }15    {16        public bool Equals(int x, int y)17        {18            return x == y;19        }20        public int GetHashCode(int obj)21        {22            return obj.GetHashCode();23        }24    }25}

CastOrThrow

Using AI Code Generation

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            EqualityComparerAdapter adapter = new EqualityComparerAdapter();12            adapter.CastOrThrow("Hello", "Hello");13        }14    }15}

CastOrThrow

Using AI Code Generation

1using NUnit.Framework;2using NUnit.Framework.Constraints;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            var comparer = new EqualityComparerAdapter<string>(StringComparer.OrdinalIgnoreCase);13            var expected = "hello";14            var actual = "HELLO";15            comparer.CastOrThrow(actual, expected);16            Console.WriteLine("Test Passed");17            Console.ReadLine();18        }19    }20}

CastOrThrow

Using AI Code Generation

1using System;2using NUnit.Framework.Constraints;3using NUnit.Framework;4{5    {6        public void TestMethod1()7        {8            Assert.That(1, Is.EqualTo(2).Using(new EqualityComparerAdapter<int>((x, y) => x == y)));9        }10    }11}

CastOrThrow

Using AI Code Generation

1using NUnit.Framework;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            string str1 = "Hello";12            string str2 = "Hello";13            NUnit.Framework.Constraints.EqualityComparerAdapter castorthrow = new NUnit.Framework.Constraints.EqualityComparerAdapter();14            castorthrow.CastOrThrow(str1, str2);15        }16    }17}

CastOrThrow

Using AI Code Generation

1using NUnit.Framework.Constraints;2using NUnit.Framework;3using System;4using System.Collections.Generic;5using System.Linq;6using System.Text;7using System.Threading.Tasks;8{9    {10        static void Main(string[] args)11        {12            EqualityComparerAdapter comparer = new EqualityComparerAdapter();13            var result = comparer.CastOrThrow(1, 2);14            Console.WriteLine(result);15            Console.ReadLine();16        }17    }18}19using System;20using System.Collections.Generic;21using System.Linq;22using System.Text;23using System.Threading.Tasks;24using NUnit.Framework.Constraints;25using NUnit.Framework;26using NUnit.Compatibility;27{28    {29        public bool CastOrThrow<T>(T expected, T actual)30        {31            return Object.Equals(expected, actual);32        }33    }34}35using System;36using System.Collections.Generic;37using System.Linq;38using System.Text;39using System.Threading.Tasks;40{41    {42        public static bool Equals(object objA, object objB)43        {44            if (objA == null)45                return objB == null;46            if (objB == null)47                return false;48            if (objA == objB)49                return true;50            if (objA.GetType() != objB.GetType())51                return false;52            return objA.Equals(objB);53        }54    }55}56using System;57using System.Collections.Generic;58using System.Linq;59using System.Text;60using System.Threading.Tasks;61{62    {63        public override bool Equals(object obj)64        {65            String str = obj as String;66            if (str == null)67                return false;68            if (str == this)69                return true;70            if (str.Length != this.Length)71                return false;72            return EqualsHelper(this, str);73        }74        private unsafe bool EqualsHelper(String strA, String str

CastOrThrow

Using AI Code Generation

1using System;2using System.Collections;3using NUnit.Framework.Constraints;4{5    {6        static void Main(string[] args)7        {8            int[] arr1 = new int[] { 1, 2, 3 };9            int[] arr2 = new int[] { 1, 2, 3 };10            EqualityComparerAdapter adapter = new EqualityComparerAdapter(new ArrayEqualityComparer());11            adapter.CastOrThrow(arr1, arr2);12            Console.WriteLine("Both the arrays are equal");13        }14    }15}

CastOrThrow

Using AI Code Generation

1using System;2using NUnit.Framework;3{4    {5        public static void Main()6        {7            var comparer = new NUnit.Framework.Constraints.EqualityComparerAdapter<int>();8            var expected = 10;9            var actual = 20;10            comparer.CastOrThrow(expected, actual);11        }12    }13}

Nunit tutorial

Nunit is a well-known open-source unit testing framework for C#. This framework is easy to work with and user-friendly. LambdaTest’s NUnit Testing Tutorial provides a structured and detailed learning environment to help you leverage knowledge about the NUnit framework. The NUnit tutorial covers chapters from basics such as environment setup to annotations, assertions, Selenium WebDriver commands, and parallel execution using the NUnit framework.

Chapters

NUnit Environment Setup - All the prerequisites and setup environments are provided to help you begin with NUnit testing.
NUnit With Selenium - Learn how to use the NUnit framework with Selenium for automation testing and its installation.
Selenium WebDriver Commands in NUnit - Leverage your knowledge about the top 28 Selenium WebDriver Commands in NUnit For Test Automation. It covers web browser commands, web element commands, and drop-down commands.
NUnit Parameterized Unit Tests - Tests on varied combinations may lead to code duplication or redundancy. This chapter discusses how NUnit Parameterized Unit Tests and their methods can help avoid code duplication.
NUnit Asserts - Learn about the usage of assertions in NUnit using Selenium
NUnit Annotations - Learn how to use and execute NUnit annotations for Selenium Automation Testing
Generating Test Reports In NUnit - Understand how to use extent reports and generate reports with NUnit and Selenium WebDriver. Also, look into how to capture screenshots in NUnit extent reports.
Parallel Execution In NUnit - Parallel testing helps to reduce time consumption while executing a test. Deep dive into the concept of Specflow Parallel Execution in NUnit.