@Test
    public void test() throws Exception {
        final ClassLoader cl1 = new URLClassLoader(new URL[] { new URL("file:/foo") }, null);
        final ClassLoader cl2 = new URLClassLoader(new URL[] { new URL("file:/bar") }, cl1);
        final ClassLoader cl3 = new URLClassLoader(new URL[] { new URL("file:/baz") }, cl2);

        final ClassLoaderIterator it = new ClassLoaderIterator(cl3);
        assertThat(it.hasNext(), is(true));

    private final Map<String, T> classes = new TreeMap<>();

    @SuppressWarnings("unchecked")
    public void load(File repoFile) {
        try {
            FileInputStream inputStream = new FileInputStream(repoFile);
            try {
                ObjectInputStream objInputStream = new ObjectInputStream(new BufferedInputStream(inputStream));
                classes.clear();

    Comparable<?> endpoint() {
      throw new IllegalStateException("range unbounded on this side");
    }

    @Override
    boolean isLessThan(Comparable<?> value) {
      return true;
    }

    @Override
    BoundType typeAsLowerBound() {
      throw new IllegalStateException();
    }

    @Override
    BoundType typeAsUpperBound() {

        private final List<String> list = new LinkedList<>();

        private final int maxLineBuffer;

        public InputStreamThread(final InputStream is, final String charset, final int maxOutputLineBuffer) {
            try {
                br = new BufferedReader(new InputStreamReader(is, charset));
            } catch (final UnsupportedEncodingException e) {

      @CheckForNull Object p4) {
    if (reference == null) {
      throw new NullPointerException(lenientFormat(errorMessageTemplate, p1, p2, p3, p4));
    }
    return reference;
  }

  /*
   * All recent hotspots (as of 2009) *really* like to have the natural code
   *
   * if (guardExpression) {
   *    throw new BadException(messageExpression);
   * }
   *

        try {
            DefaultRepositorySystemSession pluginSession = new DefaultRepositorySystemSession(session);
            pluginSession.setArtifactDescriptorPolicy(new SimpleArtifactDescriptorPolicy(true, false));

            ArtifactDescriptorRequest request =
                    new ArtifactDescriptorRequest(pluginArtifact, repositories, REPOSITORY_CONTEXT);
            request.setTrace(trace);

    HashingOutputStream out = new HashingOutputStream(Hashing.md5(), buffer);

    out.write(buf);

    assertEquals(expectedHash, out.hash());
  }

  public void testChecksForNull() throws Exception {
    NullPointerTester tester = new NullPointerTester();
    tester.testAllPublicInstanceMethods(
        new HashingOutputStream(Hashing.md5(), new ByteArrayOutputStream()));

    private List<Server> servers;

    private List<Mirror> mirrors;

    private List<Profile> profiles;

    private final ProjectActivation projectActivation = new ProjectActivation();
    private final ProfileActivation profileActivation = new ProfileActivation();

    private List<String> pluginGroups;

    private boolean isProjectPresent = true;

                includedDocPathPatterns = pathPatterList.toArray(new Pattern[pathPatterList.size()]);
            } else {
                includedDocPathPatterns = new Pattern[0];
            }
        }

        if (excludedDocPathPatterns == null) {
            if (StringUtil.isNotBlank(getExcludedDocPaths())) {
                final List<Pattern> pathPatterList = new ArrayList<>();

            wagon.connect(new Repository(repository.getId(), repository.getUrl()), proxyInfo(repository));
        } else {
            wagon.connect(new Repository(repository.getId(), repository.getUrl()));
        }
    }

    private AuthenticationInfo authenticationInfo(ArtifactRepository repository) {
        AuthenticationInfo ai = new AuthenticationInfo();