Class ExactCountConstraint

ExactCountConstraint applies another constraint to each item in a collection, succeeding only if a specified number of items succeed.

Inheritance
object
Constraint
ExactCountConstraint
Implements
Inherited Members
Namespace: NUnit.Framework.Constraints
Assembly: nunit.framework.dll
Syntax
public class ExactCountConstraint : Constraint, IEnumerableConstraint, IConstraint, IResolveConstraint

Constructors

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ExactCountConstraint(int)

Construct a standalone ExactCountConstraint

Declaration
public ExactCountConstraint(int expectedCount)
Parameters
Type Name Description
int expectedCount
View Source

ExactCountConstraint(int, IConstraint)

Construct an ExactCountConstraint on top of an existing constraint

Declaration
public ExactCountConstraint(int expectedCount, IConstraint itemConstraint)
Parameters
Type Name Description
int expectedCount
IConstraint itemConstraint

Properties

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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

Methods

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ApplyToEnumerable<TActual, TItem>(TActual, IEnumerable<TItem>)

Apply the item constraint to each item in the collection, succeeding only if the expected number of items pass.

Declaration
public ConstraintResult ApplyToEnumerable<TActual, TItem>(TActual actual, IEnumerable<TItem> enumerable)
Parameters
Type Name Description
TActual actual

The value that the collection originated from
IEnumerable<TItem> enumerable

The collection to be tested
Returns
Type Description
ConstraintResult

A ConstraintResult
Type Parameters
Name Description
TActual
TItem
View Source

ApplyTo<TActual>(TActual)

Apply the item constraint to each item in the collection, succeeding only if the expected number of items pass.

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

Implements