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

Best Nunit code snippet using NUnit.Framework.Constraints.ExceptionTypeConstraintResult

ExceptionTypeConstraint.cs

Source: ExceptionTypeConstraint.cs Github

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...22 public override ConstraintResult ApplyTo<TActual>(TActual actual)23 {24 ConstraintUtils.RequireActual<Exception>(actual, nameof(actual), allowNull: true);25 actualType = actual == null ? null : actual.GetType();26 return new ExceptionTypeConstraintResult(this, actual, actualType, this.Matches(actual));27 }28 #region Nested Result Class29 class ExceptionTypeConstraintResult : ConstraintResult30 {31 private readonly object caughtException;32 public ExceptionTypeConstraintResult(ExceptionTypeConstraint constraint, object caughtException, Type type, bool matches)33 : base(constraint, type, matches)34 {35 this.caughtException = caughtException;36 }37 public override void WriteActualValueTo(MessageWriter writer)38 {39 if (this.Status == ConstraintStatus.Failure)40 {41 Exception ex = caughtException as Exception;42 if (ex == null)43 {44 base.WriteActualValueTo(writer);45 }46 else...

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ExceptionTypeConstraintResult

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1using NUnit.Framework;2using NUnit.Framework.Constraints;3{4 {5 public void TestMethod1()6 {7 ExceptionTypeConstraintResult result = new ExceptionTypeConstraintResult(new ExceptionTypeConstraint(typeof(ArgumentNullException)), new ArgumentNullException());8 Assert.That(result, new ExceptionTypeConstraint(typeof(ArgumentNullException)));9 }10 }11}12The type or namespace name 'ExceptionTypeConstraintResult' could not be found (are you missing a using directive or an assembly reference?)

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ExceptionTypeConstraintResult

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1using System;2using NUnit.Framework;3using NUnit.Framework.Constraints;4{5 {6 public void TestMethod1()7 {8 var exception = Assert.Catch<Exception>(() => { throw new Exception(); });9 Assert.That(exception, new ExceptionTypeConstraintResult(typeof(ArgumentException)));10 }11 }12}13at NUnit.Framework.Assert.That(Object actual, IResolveConstraint expression, String message, Object[] args)14 at NUnit.Framework.Assert.That(Object actual, IResolveConstraint expression)15 at NUnitTestProject1.UnitTest1.TestMethod1() in C:\Users\user\source\repos\NUnitTestProject1\NUnitTestProject1\5.cs:line 1416Assembly: nunit.framework (in nunit.framework.dll)

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ExceptionTypeConstraintResult

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1using NUnit.Framework;2using NUnit.Framework.Constraints;3using System;4{5 {6 public void TestMethod1()7 {8 int i = 10;9 int j = 0;10 Assert.Throws(typeof(DivideByZeroException), () => { int k = i /​ j; });11 }12 public void TestMethod2()13 {14 int i = 10;15 int j = 0;16 Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });17 }18 public void TestMethod3()19 {20 int i = 10;21 int j = 0;22 var ex = Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });23 Assert.That(ex.Message, Is.EqualTo("Attempted to divide by zero."));24 }25 public void TestMethod4()26 {27 int i = 10;28 int j = 0;29 var ex = Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });30 Assert.That(ex, Has.Message.EqualTo("Attempted to divide by zero."));31 }32 public void TestMethod5()33 {34 int i = 10;35 int j = 0;36 var ex = Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });37 Assert.That(ex.Message, Does.Contain("zero"));38 }39 public void TestMethod6()40 {41 int i = 10;42 int j = 0;43 var ex = Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });44 Assert.That(ex.Message, Is.Not.Null);45 }46 public void TestMethod7()47 {48 int i = 10;49 int j = 0;50 var ex = Assert.Throws<DivideByZeroException>(() => { int k = i /​ j; });51 Assert.That(ex.Message, Is.Not.Empty);52 }53 public void TestMethod8()54 {55 int i = 10;56 int j = 0;57 var ex = Assert.Throws<DivideByZeroException>(() =>

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ExceptionTypeConstraintResult

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1using NUnit.Framework;2using System;3{4 {5 public void Test1()6 {7 int num1 = 2, num2 = 0;8 {9 int result = num1 /​ num2;10 }11 catch (DivideByZeroException ex)12 {13 Assert.That(ex, Is.TypeOf(typeof(DivideByZeroException)));14 }15 }16 }17}18using System;19using NUnit.Framework;20{21 {22 public void Test1()23 {24 int num1 = 2, num2 = 0;25 {26 int result = num1 /​ num2;27 }28 catch (DivideByZeroException ex)29 {30 Assert.That(ex, Is.TypeOf(typeof(DivideByZeroException)));31 }32 }33 }34}35using System;36using NUnit.Framework;37{38 {39 public void Test1()40 {41 int num1 = 2, num2 = 0;42 {43 int result = num1 /​ num2;44 }45 catch (DivideByZeroException ex)46 {47 Assert.That(ex, Is.TypeOf(typeof(ArgumentNullException)));48 }49 }50 }51}52using System;53using NUnit.Framework;54{55 {56 public void Test1()57 {58 int num1 = 2, num2 = 0;59 {60 int result = num1 /​ num2;61 }62 catch (DivideByZeroException ex)63 {

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ExceptionTypeConstraintResult

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1using NUnit.Framework;2using NUnit.Framework.Constraints;3{4 {5 public void TestMethod1()6 {7 Assert.That(new ExceptionTypeConstraintResult(new Exception("Hello"), "Hello"), Is.InstanceOf<ExceptionTypeConstraintResult>());8 }9 }10}

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ExceptionTypeConstraintResult

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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 public void Test()11 {12 ExceptionTypeConstraintResult obj = new ExceptionTypeConstraintResult();13 obj.Test();14 }15 }16}

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ExceptionTypeConstraintResult

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1using NUnit.Framework;2using NUnit.Framework.Constraints;3using System;4{5 {6 public void Test()7 {8 ExceptionTypeConstraintResult exceptionTypeConstraintResult = new ExceptionTypeConstraintResult(new ExceptionTypeConstraint(typeof(ArgumentException), "Message"), new Exception("Exception message"));9 string actual = exceptionTypeConstraintResult.ToString();10 string expected = "Expected: Exception of type System.ArgumentException with message \"Message\" But was: System.Exception : Exception message";11 Assert.AreEqual(expected, actual);12 }13 }14}

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ExceptionTypeConstraintResult

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1using NUnit.Framework.Constraints;2{3 {4 public void TestMethod1()5 {6 var ex = Assert.Throws<ArgumentException>(() => throw new ArgumentException());7 Assert.That(ex, Is.TypeOf<ArgumentException>());8 }9 }10}

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