stack.addTearDown(tearDownTwo);

    assertEquals(false, tearDownOne.ran);
    assertEquals(false, tearDownTwo.ran);

    try {
      stack.runTearDown();
      fail("runTearDown should have thrown an exception");
    } catch (RuntimeException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("two");
      assertThat(getOnlyElement(asList(expected.getSuppressed())))

    stack.addTearDown(tearDownTwo);

    assertEquals(false, tearDownOne.ran);
    assertEquals(false, tearDownTwo.ran);

    try {
      stack.runTearDown();
      fail("runTearDown should have thrown an exception");
    } catch (RuntimeException expected) {
      assertThat(expected).hasMessageThat().isEqualTo("two");
      assertThat(getOnlyElement(asList(expected.getSuppressed())))

  @Override
  public final void addTearDown(TearDown tearDown) {
    synchronized (lock) {
      stack.addFirst(checkNotNull(tearDown));
    }
  }

  /** Causes teardown to execute. */
  public final void runTearDown() {
    Throwable exception = null;
    List<TearDown> stackCopy;
    synchronized (lock) {
      stackCopy = new ArrayList<>(stack);
      stack.clear();
    }
    for (TearDown tearDown : stackCopy) {

  @Override
  public final void addTearDown(TearDown tearDown) {
    synchronized (lock) {
      stack.addFirst(checkNotNull(tearDown));
    }
  }

  /** Causes teardown to execute. */
  public final void runTearDown() {
    Throwable exception = null;
    List<TearDown> stackCopy;
    synchronized (lock) {
      stackCopy = new ArrayList<>(stack);
      stack.clear();
    }
    for (TearDown tearDown : stackCopy) {

  public final void runBare() throws Throwable {
    try {
      setUp();
      runTest();
    } finally {
      tearDown();
    }
  }

  @Override
  protected void tearDown() {
    stack.runTearDown();
  }

  static final Exception EXCEPTION = new Exception();

  static final class ExampleClassUnderTest {
    static final Logger logger = Logger.getLogger(ExampleClassUnderTest.class.getName());

  public final void runBare() throws Throwable {
    try {
      setUp();
      runTest();
    } finally {
      tearDown();
    }
  }

  @Override
  protected void tearDown() {
    stack.runTearDown();
  }

  static final Exception EXCEPTION = new Exception();

  static final class ExampleClassUnderTest {
    static final Logger logger = Logger.getLogger(ExampleClassUnderTest.class.getName());

    delayedFuture = executor.submit(sleeper, true);

    tearDownStack.addTearDown(() -> Thread.interrupted());
  }

  @Override
  protected void tearDown() {
    tearDownStack.runTearDown();
  }

  /**
   * This first test doesn't test anything in Uninterruptibles, just demonstrates some normal
   * behavior of futures so that you can contrast the next test with it.
   */

    tearDownStack.addTearDown(thread2 = new TestThread<>(monitor, "TestThread #2"));
  }

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
  }

  private String enter() {
    return interruptible ? "enterInterruptibly" : "enter";
  }

  private String tryEnter() {
    return "tryEnter";
  }

  private String enterIf() {

    tearDownStack.addTearDown(thread2 = new TestThread<>(monitor, "TestThread #2"));
  }

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
  }

  private String enter() {
    return interruptible ? "enterInterruptibly" : "enter";
  }

  private String tryEnter() {
    return "tryEnter";
  }

  private String enterIf() {

              (thread, throwable) -> thrownByExecutionThread = throwable);
          executionThread.start();
        }
      };

  @Override
  protected final void tearDown() {
    tearDownStack.runTearDown();
    assertWithMessage("exceptions should not be propagated to uncaught exception handlers")
        .that(thrownByExecutionThread)
        .isNull();
  }

  public void testServiceStartStop() throws Exception {