private @Nullable Runnable tearDown;

  // public so that it can be referenced in generated GWT tests.
  @Override
  public void setUp() throws Exception {
    if (setUp != null) {
      setUp.run();
    }
  }

  // public so that it can be referenced in generated GWT tests.
  @Override
  public void tearDown() throws Exception {
    if (tearDown != null) {
      tearDown.run();
    }
  }

    return builder.toString();
  }

  public void testPreOrder() {
    assertThat(iterationOrder(ADAPTER.preOrderTraversal(h))).isEqualTo("hdabcegf");
  }

  public void testPostOrder() {
    assertThat(iterationOrder(ADAPTER.postOrderTraversal(h))).isEqualTo("abcdefgh");
  }

  public void testBreadthOrder() {

    private MacHasher(Mac mac) {
      this.mac = mac;
    }

    @Override
    protected void update(byte b) {
      checkNotDone();
      mac.update(b);
    }

    @Override
    protected void update(byte[] b) {
      checkNotDone();
      mac.update(b);
    }

    @Override
    protected void update(byte[] b, int off, int len) {
      checkNotDone();
      mac.update(b, off, len);
    }

    }

    @Override
    public void put(String fullyQualifiedClassName, T metaData) {
        classes.put(fullyQualifiedClassName, metaData);
    }

    @Override
    public void each(Closure cl) {
        for (Map.Entry<String, T> entry : classes.entrySet()) {
            cl.call(new Object[]{entry.getKey(), entry.getValue()});
        }
    }

    public void each(Action<? super T> action) {

  }

  private int entry(int i) {
    return requireEntries()[i];
  }

  private void setKey(int i, K key) {
    requireKeys()[i] = key;
  }

  private void setValue(int i, V value) {
    requireValues()[i] = value;
  }

  private void setEntry(int i, int value) {
    requireEntries()[i] = value;
  }

 * <p>For a tiny bit more testing, see {@link FileBackedOutputStreamAndroidIncompatibleTest}.
 *
 * @author Chris Nokleberg
 */
@NullUnmarked
public class FileBackedOutputStreamTest extends IoTestCase {


  public void testThreshold() throws Exception {
    testThreshold(0, 100, true, false);
    testThreshold(10, 100, true, false);
    testThreshold(100, 100, true, false);
    testThreshold(1000, 100, true, false);

   *     cause loss of precision)
   */
  public void addAll(Iterable<? extends Number> values) {
    for (Number value : values) {
      add(value.doubleValue());
    }
  }

  /**
   * Adds the given values to the dataset.
   *
   * @param values a series of values, which will be converted to {@code double} values (this may
   *     cause loss of precision)
   */
  public void addAll(Iterator<? extends Number> values) {

     * @param isDirectory true if directory
     * @param attributes file attributes
     * @param creationTime creation time
     * @param lastAccessTime last access time
     */
    public void updateChild(String childName, long size, long lastModified, boolean isDirectory, long attributes, long creationTime,
            long lastAccessTime) {
        lock.writeLock().lock();
        try {

          }
        };
      }

      @Override
      public void remove() {
        checkState(toRemove != null, "no calls to next() since the last call to remove()");
        size -= toRemove.getValue().getAndSet(0);
        backingEntries.remove();
        toRemove = null;
      }
    };
  }

  @Override
  public void forEachEntry(ObjIntConsumer<? super E> action) {
    checkNotNull(action);

    private JLineMessageBuilderFactory messageBuilderFactory = new JLineMessageBuilderFactory();

    @BeforeAll
    static void setUp() {
        MessageUtils.setColorEnabled(false);
    }

    @AfterAll
    static void tearDown() {
        MessageUtils.setColorEnabled(true);
    }

    @BeforeEach
    void beforeEach() {
        logger = mock(Logger.class);
        when(logger.isInfoEnabled()).thenReturn(true);