rocks.cleancode.hamcrest.optional

Class IsEmptyMatcher<T>

java.lang.Object

org.hamcrest.BaseMatcher<T>

org.hamcrest.TypeSafeMatcher<Optional<T>>

rocks.cleancode.hamcrest.optional.IsEmptyMatcher<T>

Type Parameters:

T - Type of the Optional value

All Implemented Interfaces:

Matcher<Optional<T>>, SelfDescribing

public class IsEmptyMatcher<T>
extends TypeSafeMatcher<Optional<T>>

Matches an empty Optional.

Since:

1.0.0

Method Summary

Modifier and Type	Method and Description
protected void	describeMismatchSafely(Optional<T> optional, Description mismatchDescription)
void	describeTo(Description description)
static <T> Matcher<Optional<T>>	empty() Create a matcher for empty Optional.
protected boolean	matchesSafely(Optional<T> optional)

Methods inherited from class org.hamcrest.TypeSafeMatcher

describeMismatch, matches

Methods inherited from class org.hamcrest.BaseMatcher

_dont_implement_Matcher___instead_extend_BaseMatcher_, isNotNull, toString

Methods inherited from class java.lang.Object

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

Method Detail

empty

public static <T> Matcher<Optional<T>> empty()

Create a matcher for empty Optional.

Type Parameters:

T - Type of the Optional value

Returns:

Empty Optional matcher

Since:

1.0.0

matchesSafely

protected boolean matchesSafely(Optional<T> optional)

Specified by:

matchesSafely in class TypeSafeMatcher<Optional<T>>

describeTo

public void describeTo(Description description)

describeMismatchSafely

protected void describeMismatchSafely(Optional<T> optional,
                                      Description mismatchDescription)

Overrides:

describeMismatchSafely in class TypeSafeMatcher<Optional<T>>