org.junit.internal.matchers

Class ThrowableCauseMatcher<T extends java.lang.Throwable>

java.lang.Object

org.hamcrest.BaseMatcher<T>

org.hamcrest.TypeSafeMatcher<T>

org.junit.internal.matchers.ThrowableCauseMatcher<T>

Type Parameters:

T - the type of the throwable being matched

All Implemented Interfaces:

org.hamcrest.Matcher<T>, org.hamcrest.SelfDescribing

public class ThrowableCauseMatcher<T extends java.lang.Throwable>
extends org.hamcrest.TypeSafeMatcher<T>

A matcher that applies a delegate matcher to the cause of the current Throwable, returning the result of that match.

Field Summary

Fields

Modifier and Type	Field and Description
private org.hamcrest.Matcher<? extends java.lang.Throwable>	causeMatcher

Constructor Summary

Constructors

Constructor and Description
ThrowableCauseMatcher(org.hamcrest.Matcher<? extends java.lang.Throwable> causeMatcher)

Method Summary

Modifier and Type	Method and Description
protected void	describeMismatchSafely(T item, org.hamcrest.Description description)
void	describeTo(org.hamcrest.Description description)
static <T extends java.lang.Throwable> org.hamcrest.Matcher<T>	hasCause(org.hamcrest.Matcher<? extends java.lang.Throwable> matcher) Returns a matcher that verifies that the outer exception has a cause for which the supplied matcher evaluates to true.
protected boolean	matchesSafely(T item)

Methods inherited from class org.hamcrest.TypeSafeMatcher

describeMismatch, matches

Methods inherited from class org.hamcrest.BaseMatcher

_dont_implement_Matcher___instead_extend_BaseMatcher_, toString

Methods inherited from class java.lang.Object

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

Field Detail

causeMatcher

private final org.hamcrest.Matcher<? extends java.lang.Throwable> causeMatcher

Constructor Detail

ThrowableCauseMatcher

public ThrowableCauseMatcher(org.hamcrest.Matcher<? extends java.lang.Throwable> causeMatcher)

Method Detail

describeTo

public void describeTo(org.hamcrest.Description description)

matchesSafely

protected boolean matchesSafely(T item)

Specified by:

matchesSafely in class org.hamcrest.TypeSafeMatcher<T extends java.lang.Throwable>

describeMismatchSafely

protected void describeMismatchSafely(T item,
                                      org.hamcrest.Description description)

Overrides:

describeMismatchSafely in class org.hamcrest.TypeSafeMatcher<T extends java.lang.Throwable>

hasCause

public static <T extends java.lang.Throwable> org.hamcrest.Matcher<T> hasCause(org.hamcrest.Matcher<? extends java.lang.Throwable> matcher)

Returns a matcher that verifies that the outer exception has a cause for which the supplied matcher evaluates to true.

Type Parameters:

T - type of the outer exception

Parameters:

matcher - to apply to the cause of the outer exception