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"));
    boolean[] called = new boolean[1];
    f.addCallback(

    @Nullable V[][] array = (@Nullable V[][]) new Object[rowSpace.size()][columnSpace.size()];
    this.values = array;
    this.rowKeyToIndex = Maps.indexMap(rowSpace);
    this.columnKeyToIndex = Maps.indexMap(columnSpace);
    rowCounts = new int[rowKeyToIndex.size()];
    columnCounts = new int[columnKeyToIndex.size()];
    int[] cellRowIndices = new int[cellList.size()];
    int[] cellColumnIndices = new int[cellList.size()];

    @DisplayName("Should handle exception chaining")
    void testExceptionChaining() {
        // Given
        Exception rootCause = new RuntimeException("Root cause");
        SmbException intermediateCause = new SmbException("Intermediate", rootCause);

        // When
        SmbException finalException = new SmbException("Final error", intermediateCause);

        // Then
        assertEquals(intermediateCause, finalException.getCause());

        ICUNormalizer normalizer = new ICUNormalizer("Halfwidth-Fullwidth");
        assertEquals("ケンサク", normalizer.normalize("ｹﾝｻｸ", null));
    }

    public void test_nullInput() {
        ICUNormalizer normalizer = new ICUNormalizer("Any-Lower");
        assertNull(normalizer.normalize(null, null));
    }

    public void test_nullTransliteratorId() {
        try {
            new ICUNormalizer(null);

    void testJavaSerialization() throws Exception {
        // Given
        SpnegoException original = new SpnegoException("serialize me", new IllegalArgumentException("iaex"));

        // When
        byte[] bytes;
        try (ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream oout = new ObjectOutputStream(bout)) {
            oout.writeObject(original);
            oout.flush();

    assertThat(loadAllCount.get()).isEqualTo(0);

    Object unused1 = baseLoader.load(new Object());
    @SuppressWarnings("unused") // https://errorprone.info/bugpattern/FutureReturnValueIgnored
    Future<?> possiblyIgnoredError = baseLoader.reload(new Object(), new Object());
    Map<Object, Object> unused2 = baseLoader.loadAll(ImmutableList.of(new Object()));
    assertThat(loadCount.get()).isEqualTo(1);

            Model model = new Model(new MavenStaxReader().read(expected));
            MavenProject project = new MavenProject(model);
            project.setOriginalModel(model);
            ConsumerPomArtifactTransformer t = new ConsumerPomArtifactTransformer((s, p, f) -> {
                try (InputStream is = f.openStream()) {
                    return DefaultConsumerPomBuilder.transformPom(new MavenStaxReader().read(is), project);

public class PreauthIntegrityServiceTest {

    private PreauthIntegrityService preauthService;
    private SecureRandom secureRandom;

    @BeforeEach
    public void setUp() {
        secureRandom = new SecureRandom();
        preauthService = new PreauthIntegrityService(secureRandom, PreauthIntegrityService.HASH_ALGO_SHA512, true);
    }

    @AfterEach
    public void tearDown() {
        if (preauthService != null) {

  }

  // looking for of() with > 5 entries? Use the builder instead.

  /**
   * Returns a new builder. The generated builder is equivalent to the builder created by the {@link
   * Builder} constructor.
   */
  public static <K, V> Builder<K, V> builder() {
    return new Builder<>();
  }

  /**
   * Returns a new builder with a hint for how many distinct keys are expected to be added. The

     */
    private static byte[] derive(final byte[] sessionKey, final byte[] label, final byte[] context) {
        final KDFCounterBytesGenerator gen = new KDFCounterBytesGenerator(new HMac(new SHA256Digest()));

        final int r = 32;
        final byte[] suffix = new byte[label.length + context.length + 5];
        // per bouncycastle