Class CollectionConstraint

CollectionConstraint is the abstract base class for constraints that operate on collections.

Inheritance

object

Constraint

CollectionConstraint

CollectionItemsEqualConstraint

CollectionOrderedConstraint

EmptyCollectionConstraint

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.Description

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 CollectionConstraint : Constraint, IConstraint, IResolveConstraint

Constructors

CollectionConstraint()

Construct an empty CollectionConstraint

Declaration

protected CollectionConstraint()

CollectionConstraint(object?)

Construct a CollectionConstraint

Declaration

protected CollectionConstraint(object? arg)

Parameters

Type	Name	Description
object	arg

Methods

ApplyTo<TActual>(TActual)

Test whether the constraint is satisfied by a given value

Declaration

public override ConstraintResult ApplyTo<TActual>(TActual actual)

Parameters

Type	Name	Description
TActual	actual	The value to be tested

Returns

Type	Description
ConstraintResult	True for success, false for failure

Type Parameters

Name	Description
TActual

Overrides

Constraint.ApplyTo<TActual>(TActual)

IsEmpty(IEnumerable)

Determines whether the specified enumerable is empty.

Declaration

protected static bool IsEmpty(IEnumerable enumerable)

Parameters

Type	Name	Description
IEnumerable	enumerable	The enumerable.

Returns

Type	Description
bool	true if the specified enumerable is empty; otherwise, false.

Matches(IEnumerable)

Protected method to be implemented by derived classes

Declaration

protected abstract bool Matches(IEnumerable collection)

Parameters

Type	Name	Description
IEnumerable	collection

Returns

Type	Description
bool

Implements

IConstraint

IResolveConstraint