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NUnit.Framework.Constraints.EmptyConstraint Class Reference

EmptyConstraint tests a whether a string or collection is empty, postponing the decision about which test is applied until the type of the actual argument is known. More...

+ Inheritance diagram for NUnit.Framework.Constraints.EmptyConstraint:
+ Collaboration diagram for NUnit.Framework.Constraints.EmptyConstraint:

Public Member Functions

override ConstraintResult ApplyTo< TActual > (TActual actual)
 Test whether the constraint is satisfied by a given value More...
 
- Public Member Functions inherited from NUnit.Framework.Constraints.Constraint
virtual ConstraintResult ApplyTo< TActual > (ActualValueDelegate< TActual > del)
 Applies the constraint to an ActualValueDelegate that returns the value to be tested. The default implementation simply evaluates the delegate but derived classes may override it to provide for delayed processing. More...
 
virtual ConstraintResult ApplyTo< TActual > (ref TActual actual)
 Test whether the constraint is satisfied by a given reference. The default implementation simply dereferences the value but derived classes may override it to provide for delayed processing. More...
 
override string ToString ()
 Default override of ToString returns the constraint DisplayName followed by any arguments within angle brackets. More...
 
DelayedConstraint After (int delayInMilliseconds)
 Returns a DelayedConstraint with the specified delay time. More...
 
DelayedConstraint After (int delayInMilliseconds, int pollingInterval)
 Returns a DelayedConstraint with the specified delay time and polling interval. More...
 

Properties

override string Description [get]
 The Description of what this constraint tests, for use in messages and in the ConstraintResult. More...
 
- Properties inherited from NUnit.Framework.Constraints.Constraint
string DisplayName [get, protected set]
 The display name of this Constraint for use by ToString(). The default value is the name of the constraint with trailing "Constraint" removed. Derived classes may set this to another name in their constructors. More...
 
virtual string Description [get, protected set]
 The Description of what this constraint tests, for use in messages and in the ConstraintResult. More...
 
object[] Arguments [get, private set]
 Arguments provided to this Constraint, for use in formatting the description. More...
 
ConstraintBuilder Builder [get, set]
 The ConstraintBuilder holding this constraint More...
 
ConstraintExpression And [get]
 Returns a ConstraintExpression by appending And to the current constraint. More...
 
ConstraintExpression With [get]
 Returns a ConstraintExpression by appending And to the current constraint. More...
 
ConstraintExpression Or [get]
 Returns a ConstraintExpression by appending Or to the current constraint. More...
 
- Properties inherited from NUnit.Framework.Constraints.IConstraint
string DisplayName [get]
 The display name of this Constraint for use by ToString(). More...
 
string Description [get]
 The Description of what this constraint tests, for use in messages and in the ConstraintResult. More...
 
object[] Arguments [get]
 Arguments provided to this Constraint, for use in formatting the description. More...
 
ConstraintBuilder Builder [get, set]
 The ConstraintBuilder holding this constraint More...
 

Private Attributes

Constraint realConstraint
 

Additional Inherited Members

- Static Public Member Functions inherited from NUnit.Framework.Constraints.Constraint
static Constraint operator& (Constraint left, Constraint right)
 This operator creates a constraint that is satisfied only if both argument constraints are satisfied. More...
 
static Constraint operator| (Constraint left, Constraint right)
 This operator creates a constraint that is satisfied if either of the argument constraints is satisfied. More...
 
static Constraint operator! (Constraint constraint)
 This operator creates a constraint that is satisfied if the argument constraint is not satisfied. More...
 
- Protected Member Functions inherited from NUnit.Framework.Constraints.Constraint
 Constraint (params object[] args)
 Construct a constraint with optional arguments More...
 
virtual string GetStringRepresentation ()
 Returns the string representation of this constraint More...
 

Detailed Description

EmptyConstraint tests a whether a string or collection is empty, postponing the decision about which test is applied until the type of the actual argument is known.

Member Function Documentation

override ConstraintResult NUnit.Framework.Constraints.EmptyConstraint.ApplyTo< TActual > ( TActual  actual)
inlinevirtual

Test whether the constraint is satisfied by a given value

Parameters
actualThe value to be tested
Returns
True for success, false for failure

Implements NUnit.Framework.Constraints.Constraint.

Member Data Documentation

Constraint NUnit.Framework.Constraints.EmptyConstraint.realConstraint
private

Property Documentation

override string NUnit.Framework.Constraints.EmptyConstraint.Description
get

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


The documentation for this class was generated from the following file: