com.google.common.truth

Class GuavaOptionalSubject

java.lang.Object

com.google.common.truth.Subject

com.google.common.truth.GuavaOptionalSubject

public final class GuavaOptionalSubject
extends Subject

Propositions for Guava Optional subjects.

If you are looking for a java.util.Optional subject, please read faq#java8

Author:

Christian Gruber

Method Summary

Modifier and Type	Method and Description
void	hasValue(Object expected) Fails if the Optional<T> does not have the given value or the subject is null.
void	isAbsent() Fails if the Optional<T> is present or the subject is null.
void	isPresent() Fails if the Optional<T> is absent or the subject is null.

Methods inherited from class com.google.common.truth.Subject

actualCustomStringRepresentation, check, equals, failWithActual, failWithActual, failWithoutActual, hashCode, ignoreCheck, isAnyOf, isEqualTo, isIn, isInstanceOf, isNoneOf, isNotEqualTo, isNotIn, isNotInstanceOf, isNotNull, isNotSameInstanceAs, isNull, isSameInstanceAs, toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

isPresent

public void isPresent()

Fails if the Optional<T> is absent or the subject is null.

isAbsent

public void isAbsent()

Fails if the Optional<T> is present or the subject is null.

hasValue

public void hasValue(Object expected)

Fails if the Optional<T> does not have the given value or the subject is null.

To make more complex assertions on the optional's value split your assertion in two:

 assertThat(myOptional).isPresent();
 assertThat(myOptional.get()).contains("foo");