org.jmock.core.constraint
Class IsNothing

java.lang.Object
  org.jmock.core.constraint.IsNothing

All Implemented Interfaces:

Constraint, SelfDescribing

public class IsNothing
extends Object
implements Constraint

Field Summary

static IsNothing

INSTANCE

Constructor Summary

IsNothing()

IsNothing(String description)

Method Summary

StringBuffer	describeTo(StringBuffer buffer) Appends the description of this object to the buffer.
boolean	eval(Object o) Evaluates the constraint for argument o.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final IsNothing INSTANCE

Constructor Detail

IsNothing

public IsNothing()

IsNothing

public IsNothing(String description)

Method Detail

eval

public boolean eval(Object o)

Description copied from interface: Constraint

Evaluates the constraint for argument o.

Specified by:

eval in interface Constraint

Parameters:

o - the object against which the constraint is evaluated.

Returns:

true if o meets the constraint, false if it does not.

describeTo

public StringBuffer describeTo(StringBuffer buffer)

Description copied from interface: SelfDescribing

Appends the description of this object to the buffer.

Specified by:

describeTo in interface SelfDescribing

Parameters:

buffer - The buffer that the description is appended to.

Returns:

The buffer passed to the invokedMethod.