org.assertj.core.api

Class AbstractOptionalAssert<S extends AbstractOptionalAssert<S,T>,T>

java.lang.Object

org.assertj.core.api.AbstractAssert<S,Optional<T>>

org.assertj.core.api.AbstractOptionalAssert<S,T>

Type Parameters:

T - type of the value contained in the Optional.

All Implemented Interfaces:

Assert<S,Optional<T>>, Descriptable<S>, ExtensionPoints<S,Optional<T>>

Direct Known Subclasses:

OptionalAssert

public abstract class AbstractOptionalAssert<S extends AbstractOptionalAssert<S,T>,T>
extends AbstractAssert<S,Optional<T>>

Assertions for Optional.

Author:

Jean-Christophe Gay

Field Summary

Fields inherited from class org.assertj.core.api.AbstractAssert

actual, info, myself

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractOptionalAssert(Optional<T> actual, Class<?> selfType)

Method Summary

Modifier and Type	Method and Description
S	contains(T expectedValue) Verifies that the actual Optional contains the value in argument.
S	isEmpty() Verifies that the actual Optional is empty.
S	isPresent() Verifies that there is a value present in the actual Optional.

Methods inherited from class org.assertj.core.api.AbstractAssert

as, as, asList, asString, describedAs, describedAs, descriptionText, doesNotHave, doesNotHaveSameClassAs, equals, failure, failWithMessage, getWritableAssertionInfo, has, hashCode, hasSameClassAs, inBinary, inHexadecimal, is, isEqualTo, isExactlyInstanceOf, isIn, isIn, isInstanceOf, isInstanceOfAny, isNot, isNotEqualTo, isNotExactlyInstanceOf, isNotIn, isNotIn, isNotInstanceOf, isNotInstanceOfAny, isNotNull, isNotOfAnyClassIn, isNotSameAs, isNull, isOfAnyClassIn, isSameAs, matches, matches, overridingErrorMessage, usingComparator, usingDefaultComparator, withThreadDumpOnError

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractOptionalAssert

protected AbstractOptionalAssert(Optional<T> actual,
                                 Class<?> selfType)

Method Detail

isPresent

public S isPresent()

Verifies that there is a value present in the actual Optional.

Assertion will pass :

 assertThat(Optional.of("something")).isPresent();
 

Assertion will fail :

 assertThat(Optional.empty()).isPresent();
 

Returns:

this assertion object.

isEmpty

public S isEmpty()

Verifies that the actual Optional is empty.

Assertion will pass :

 assertThat(Optional.empty()).isEmpty();
 

Assertion will fail :

 assertThat(Optional.of("something")).isEmpty();
 

Returns:

this assertion object.

contains

public S contains(T expectedValue)

Verifies that the actual Optional contains the value in argument.

Assertion will pass :

 assertThat(Optional.of("something")).contains("something");
 assertThat(Optional.of(10)).contains(10);
 

Assertion will fail :

 assertThat(Optional.of("something")).contains("something else");
 assertThat(Optional.of(20)).contains(10);
 

Parameters:

expectedValue - the expected value inside the Optional.

Returns:

this assertion object.