Class ConstraintBuilder

ConstraintBuilder maintains the stacks that are used in processing a ConstraintExpression. An OperatorStack is used to hold operators that are waiting for their operands to be reorganized. a ConstraintStack holds input constraints as well as the results of each operator applied.

Inheritance

object

ConstraintBuilder

Implements

IResolveConstraint

Inherited Members

object.GetType()

object.ToString()

object.Equals(object)

object.Equals(object, object)

object.ReferenceEquals(object, object)

object.GetHashCode()

Namespace: NUnit.Framework.Constraints

Assembly: nunit.framework.dll

Syntax

public sealed class ConstraintBuilder : IResolveConstraint

Constructors

ConstraintBuilder()

Initializes a new instance of the ConstraintBuilder class.

Declaration

public ConstraintBuilder()

Methods

Append(Constraint)

Appends the specified constraint to the expression by pushing it on the constraint stack.

Declaration

public void Append(Constraint constraint)

Parameters

Type	Name	Description
Constraint	constraint	The constraint to push.

Append(ConstraintOperator)

Appends the specified operator to the expression by first reducing the operator stack and then pushing the new operator on the stack.

Declaration

public void Append(ConstraintOperator op)

Parameters

Type	Name	Description
ConstraintOperator	op	The operator to push.

Replace(Constraint)

Replaces the last pushed constraint with the specified constraint.

Declaration

public void Replace(Constraint constraint)

Parameters

Type	Name	Description
Constraint	constraint	The constraint to replace the lastPushed with.

Resolve()

Resolves this instance, returning a Constraint. If the Builder is not currently in a resolvable state, an exception is thrown.

Declaration

public IConstraint Resolve()

Returns

Type	Description
IConstraint	The resolved constraint

Implements

IResolveConstraint