}
  }

  /** Causes teardown to execute. */
  public final void runTearDown() {
    List<Throwable> exceptions = new ArrayList<>();
    List<TearDown> stackCopy;
    synchronized (stack) {
      stackCopy = Lists.newArrayList(stack);
      stack.clear();
    }
    for (TearDown tearDown : stackCopy) {
      try {
        tearDown.tearDown();
      } catch (Throwable t) {
        if (suppressThrows) {

    final TearDownStack stack = buildTearDownStack();

    final SimpleTearDown tearDown = new SimpleTearDown();
    stack.addTearDown(tearDown);

    assertEquals(false, tearDown.ran);

    stack.runTearDown();

    assertEquals("tearDown should have run", true, tearDown.ran);
  }

  public void testMultipleTearDownsHappenInOrder() throws Exception {

  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();
    }
  }

    tearDownStack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() {
            executor.shutdownNow();
          }
        });
    sleeper = new SleepingRunnable(1000);
    delayedFuture = executor.submit(sleeper, true);

    tearDownStack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() {
            Thread.interrupted();
          }

      public byte[] getExpected(byte[] data) {
        return factory.getExpected(new String(data, Charsets.UTF_8)).getBytes(Charsets.UTF_8);
      }

      @Override
      public void tearDown() throws IOException {
        factory.tearDown();
      }
    };
  }

  public static CharSourceFactory asCharSourceFactory(final ByteSourceFactory factory) {
    checkNotNull(factory);
    return new CharSourceFactory() {

          @Override
          public void run() {
            setUp[0] = true;
          }
        };

    boolean[] tearDown = {false};
    Runnable tearDownRunnable =
        new Runnable() {
          @Override
          public void run() {
            tearDown[0] = true;
          }
        };

    MyTestSuiteBuilder builder = new MyTestSuiteBuilder();
    Test test =
        builder

    tearDownStack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() {
            executor.shutdownNow();
          }
        });
    sleeper = new SleepingRunnable(1000);
    delayedFuture = executor.submit(sleeper, true);

    tearDownStack.addTearDown(
        new TearDown() {
          @Override
          public void tearDown() {
            Thread.interrupted();
          }

          @Override
          public void run() {
            setUp[0] = true;
          }
        };

    boolean[] tearDown = {false};
    Runnable tearDownRunnable =
        new Runnable() {
          @Override
          public void run() {
            tearDown[0] = true;
          }
        };

    MyTestSuiteBuilder builder = new MyTestSuiteBuilder();
    Test test =
        builder

    return self();
  }

  public Runnable getSetUp() {
    return setUp;
  }

  @CanIgnoreReturnValue
  public B withTearDown(Runnable tearDown) {
    this.tearDown = tearDown;
    return self();
  }

  public Runnable getTearDown() {
    return tearDown;
  }

  // Features

  private final Set<Feature<?>> features = new LinkedHashSet<>();

  /**

      }
    }
  }

  /** Verifies that {@code setUp} and {@code tearDown} are called in all map test cases. */
  private static Test testsForSetUpTearDown() {
    final AtomicBoolean setUpRan = new AtomicBoolean();
    Runnable setUp =
        new Runnable() {
          @Override
          public void run() {
            assertFalse("previous tearDown should have run before setUp", setUpRan.getAndSet(true));
          }