Class TypeConstraint

TypeConstraint is the abstract base for constraints that take a Type as their expected value.

Inheritance

object

Constraint

TypeConstraint

AssignableFromConstraint

AssignableToConstraint

ExactTypeConstraint

InstanceOfTypeConstraint

Implements

IConstraint

IResolveConstraint

Inherited Members

Constraint.ApplyTo<TActual>(ActualValueDelegate<TActual>)

Constraint.ApplyTo<TActual>(ref TActual)

Constraint.GetTestObject<TActual>(ActualValueDelegate<TActual>)

Constraint.ToString()

Constraint.GetStringRepresentation(IEnumerable)

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()

Namespace: NUnit.Framework.Constraints

Assembly: nunit.framework.dll

Syntax

public abstract class TypeConstraint : Constraint, IConstraint, IResolveConstraint

Constructors

TypeConstraint(Type, string)

Construct a TypeConstraint for a given Type

Declaration

protected TypeConstraint(Type type, string descriptionPrefix)

Parameters

Type	Name	Description
Type	type	The expected type for the constraint
string	descriptionPrefix	Prefix used in forming the constraint description

Fields

actualType

The type of the actual argument to which the constraint was applied

Declaration

protected Type? actualType

Field Value

Type	Description
Type

expectedType

The expected Type used by the constraint

Declaration

protected Type expectedType

Field Value

Type	Description
Type

Properties

Description

The Description of what this constraint tests, for use in messages and in the ConstraintResult.

Declaration

public override string Description { get; }

Property Value

Type	Description
string

Overrides

Constraint.Description

Methods

ApplyTo<TActual>(TActual)

Applies the constraint to an actual value, returning a ConstraintResult.

Declaration

public override ConstraintResult ApplyTo<TActual>(TActual actual)

Parameters

Type	Name	Description
TActual	actual	The value to be tested

Returns

Type	Description
ConstraintResult	A ConstraintResult

Type Parameters

Name	Description
TActual

Overrides

Constraint.ApplyTo<TActual>(TActual)

Matches(object?)

Apply the constraint to an actual value, returning true if it succeeds

Declaration

protected abstract bool Matches(object? actual)

Parameters

Type	Name	Description
object	actual	The actual argument

Returns

Type	Description
bool	True if the constraint succeeds, otherwise false.

Implements

IConstraint

IResolveConstraint