com.asakusafw.testdriver.rule

Class ExpectConstant<T>

java.lang.Object

com.asakusafw.testdriver.rule.ExpectConstant<T>

Type Parameters:

T - type of constant

All Implemented Interfaces:

ValuePredicate<T>

public class ExpectConstant<T>
extends Object
implements ValuePredicate<T>

Provides constant as expected value to a succeeding predicate.

Since:

0.2.0

Constructor Summary

Constructors

Constructor and Description
ExpectConstant(T constant, ValuePredicate<T> successor) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
boolean	accepts(T expected, T actual) Returns true iff both values satisfy this predicate.
String	describeExpected(T expected, T actual) Returns an expected value as readable text.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpectConstant

public ExpectConstant(T constant,
                      ValuePredicate<T> successor)

Creates a new instance.

Parameters:

constant - expected constant (nullable)

successor - expecting constant

Throws:

IllegalArgumentException - if some parameters were null

Method Detail

accepts

public boolean accepts(T expected,
                       T actual)

Description copied from interface: ValuePredicate

Returns true iff both values satisfy this predicate.

Specified by:

accepts in interface ValuePredicate<T>

Parameters:

expected - the expected value (nullable)

actual - the actual value (nullable)

Returns:

true iff both values satisfy this predicate, false otherwise.

describeExpected

public String describeExpected(T expected,
                               T actual)

Description copied from interface: ValuePredicate

Returns an expected value as readable text.

Specified by:

describeExpected in interface ValuePredicate<T>

Parameters:

expected - the expected value (nullable)

actual - the actual value (nullable)

Returns:

readable text, or null if is always/never expected