assertEquals(expected, written);
    }

    // Helper method to extract string from buffer
    private String extractStringFromBuffer(byte[] buffer, int offset, int maxLen) {
        int end = offset;
        while (end < offset + maxLen && buffer[end] != 0) {
            end++;
        }
        return new String(buffer, offset, end - offset, StandardCharsets.UTF_8);
    }

  public void testRegister() {
    assertEquals(0, registry.getSubscribersForTesting(String.class).size());

    registry.register(new StringSubscriber());
    assertEquals(1, registry.getSubscribersForTesting(String.class).size());

    registry.register(new StringSubscriber());
    assertEquals(2, registry.getSubscribersForTesting(String.class).size());

    registry.register(new ObjectSubscriber());

    ListenableFuture<String> f =
        new SimpleForwardingListenableFuture<String>(immediateFuture("a")) {};
    verify(!(f instanceof FluentFuture));
    assertThat(FluentFuture.from(f).get()).isEqualTo("a");
    // TODO(cpovirk): Test forwarding more extensively.
  }

  public void testAddCallback() {
    FluentFuture<String> f = FluentFuture.from(immediateFuture("a"));

        dependencyArtifact.setDependencyFilter(createDependencyFilter(dependency, inheritedFilter));

        return dependencyArtifact;
    }

    private static String getEffectiveScope(String originalScope, String inheritedScope) {
        String effectiveScope = Artifact.SCOPE_RUNTIME;

        if (originalScope == null) {
            originalScope = Artifact.SCOPE_COMPILE;
        }

    public static final int SKIPPED = 5;

    public static final String PLAN = "$plan$";
    public static final String SETUP = "$setup$";
    public static final String TEARDOWN = "$teardown$";

    @Nonnull
    final MavenProject project;

    @Nonnull
    final String name;

    @Nullable
    final Lifecycle.Phase phase;

    final Map<Integer, Map<String, MojoExecution>> mojos = new TreeMap<>();

        assertEquals("123 abc", normalizeText(" 123\nabc\n123 ", 100, -1, -1, true));
        assertEquals("123# !$", normalizeText(" 123#123!$123  ", 100, -1, -1, true));
    }

    public static String normalizeText(final String str, final int initialCapacity, final int maxAlphanumTermSize,
            final int maxSymbolTermSize, final boolean removeDuplication) {
        if (str == null) {
            return StringUtil.EMPTY;
        }

    private void checkArtifactIdScope(MavenProject project, String scope, String scopeValue) {
        String artifactId = "scope-" + scope;
        Artifact artifact = getArtifact(project, "maven-test", artifactId);
        assertNotNull(artifact);
        assertEquals(scopeValue, artifact.getScope(), "Check scope");
    }

    private Artifact getArtifact(MavenProject project, String groupId, String artifactId) {

  private static void bufferHelper(String input, String... expect) throws IOException {

    List<String> expectProcess = Arrays.asList(expect);
    List<String> expectRead =
        Lists.transform(
            expectProcess,
            new Function<String, String>() {
              @Override
              public String apply(String value) {
                return value.replaceAll("[\\r\\n]", "");

  private static void bufferHelper(String input, String... expect) throws IOException {

    List<String> expectProcess = Arrays.asList(expect);
    List<String> expectRead =
        Lists.transform(
            expectProcess,
            new Function<String, String>() {
              @Override
              public String apply(String value) {
                return value.replaceAll("[\\r\\n]", "");

        assertEquals(16, hash.length);
    }

    // Test unescape method
    @ParameterizedTest
    @CsvSource({ "'test%20string', 'test string'", "'test%25string', 'test%string'", "'test', 'test'", "'' , ''" })
    void testUnescape(String input, String expected) throws Exception {
        assertEquals(expected, NtlmPasswordAuthentication.unescape(input));
    }