Class ThrowsConstraint

Namespace

NUnit.Framework.Constraints

Assembly

nunit.framework.dll

ThrowsConstraint is used to test the exception thrown by a delegate by applying a constraint to it.

public class ThrowsConstraint : PrefixConstraint, IConstraint, IResolveConstraint

Inheritance

object

Constraint

PrefixConstraint

ThrowsConstraint

Implements

IConstraint

IResolveConstraint

Inherited Members

PrefixConstraint.baseConstraint

PrefixConstraint.descriptionPrefix

Constraint.ApplyTo<TActual>(ref TActual)

Constraint.ToString()

Constraint.GetStringRepresentation()

Constraint.After(int)

Constraint.After(int, int)

Constraint.DisplayName

Constraint.Arguments

Constraint.Builder

Constraint.And

Constraint.With

Constraint.Or

object.GetType()

object.MemberwiseClone()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Constructors

ThrowsConstraint(IConstraint)

Initializes a new instance of the ThrowsConstraint class, using a constraint to be applied to the exception.

public ThrowsConstraint(IConstraint baseConstraint)

Parameters

baseConstraint IConstraint

A constraint to apply to the caught exception.

Properties

ActualException

Get the actual exception thrown - used by Assert.Throws.

public Exception ActualException { get; }

Property Value

Exception

Description

Gets text describing a constraint

public override string Description { get; }

Property Value

string

Methods

ApplyTo<TActual>(ActualValueDelegate<TActual>)

Converts an ActualValueDelegate to a TestDelegate before calling the primary overload.

public override ConstraintResult ApplyTo<TActual>(ActualValueDelegate<TActual> del)

Parameters

del ActualValueDelegate<TActual>

Returns

ConstraintResult

Type Parameters

TActual

ApplyTo<TActual>(TActual)

Executes the code of the delegate and captures any exception. If a non-null base constraint was provided, it applies that constraint to the exception.

public override ConstraintResult ApplyTo<TActual>(TActual actual)

Parameters

actual TActual

A delegate representing the code to be tested

Returns

ConstraintResult

True if an exception is thrown and the constraint succeeds, otherwise false

Type Parameters

TActual