GuavaOptionalSubject (Truth HEAD-SNAPSHOT)

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, see OptionalSubject.

Author:

Christian Gruber

Nested Class Summary
- Nested classes/interfaces inherited from class com.google.common.truth.Subject
  Subject.Factory<SubjectT extends Subject,ActualT>

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`hasValue(@Nullable 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(@Nullable 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");