JUnit 4.13.2 Source Code Files

JUnit Source Code Files are provided in the source package file, junit-4.13.2-sources.jar.

You can browse JUnit Source Code files below:

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package org.junit.internal.matchers;

import org.hamcrest.Description;
import org.hamcrest.Factory;
import org.hamcrest.Matcher;
import org.hamcrest.TypeSafeMatcher;

public class ThrowableMessageMatcher<T extends Throwable> extends
        TypeSafeMatcher<T> {

    private final Matcher<String> matcher;

    public ThrowableMessageMatcher(Matcher<String> matcher) {
        this.matcher = matcher;

    public void describeTo(Description description) {
        description.appendText("exception with message ");

    protected boolean matchesSafely(T item) {
        return matcher.matches(item.getMessage());

    protected void describeMismatchSafely(T item, Description description) {
        description.appendText("message ");
        matcher.describeMismatch(item.getMessage(), description);

    public static <T extends Throwable> Matcher<T> hasMessage(final Matcher<String> matcher) {
        return new ThrowableMessageMatcher<T>(matcher);



Or download all of them as a single archive file:

File name: junit-4.13.2-sources.jar
File size: 234540 bytes
Release date: 2021-02-13


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