In another moment down went Alice after it, never once
considering how in the world she was to get out again.

  The rabbit-hole went straight on like a tunnel for some way,
and then dipped suddenly down, so suddenly that Alice had not a
moment to think about stopping herself before she found herself
falling down a very deep well.

  Either the well was very deep, or she fell very slowly, for she

      calledWith(object, s);
    }

    void check() {
      try {
        runTester();
      } catch (AssertionFailedError expected) {
        return;
      }
      fail("Should have failed because enum has no constant");
    }
  }

  public void testEmptyEnumDefaultValue() {
    new EmptyEnumDefaultValueChecker().check();
  }

import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_CHECKED_EXCEPTION;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_ERROR;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_OTHER_THROWABLE;
import static com.google.common.util.concurrent.FuturesGetCheckedInputs.FAILED_FUTURE_UNCHECKED_EXCEPTION;

     *     state with the exception of {@linkplain State#FAILED FAILED} and {@linkplain
     *     State#TERMINATED TERMINATED}.
     */
    public void terminated(State from) {}

    /**
     * Called when the service transitions to the {@linkplain State#FAILED FAILED} state. The
     * {@linkplain State#FAILED FAILED} state is a terminal state in the transition diagram.

        assertThrows(RuntimeException.class, () -> service.startAsync().awaitRunning());
    assertThat(e).hasCauseThat().isSameInstanceAs(exception);
    assertEquals(Service.State.FAILED, service.state());
  }

  public void testFunctionalStop_failed() {
    final Exception exception = new Exception("deliberate");
    AbstractIdleService service =
        new DefaultService() {
          @Override

        }
      }
      completionLatch.countDown();
    }

    @Override
    public synchronized void failed(State from, Throwable failure) {
      assertEquals(from, Iterables.getLast(stateHistory));
      stateHistory.add(State.FAILED);
      assertEquals(State.FAILED, service.state());
      assertEquals(failure, service.failureCause());
      if (from == State.STARTING) {
        try {

    READY,
    NOT_READY,
    DONE,
    FAILED,
  }

  @CheckForNull private T next;

  @CheckForNull
  protected abstract T computeNext();

  @CanIgnoreReturnValue
  @CheckForNull
  protected final T endOfData() {
    state = State.DONE;
    return null;
  }

  @Override
  public final boolean hasNext() {
    checkState(state != State.FAILED);
    switch (state) {
      case DONE:

    assertThat(expected).hasCauseThat().hasMessageThat().isEqualTo("kaboom!");
    executionThread.join();

    assertTrue(service.startUpCalled);
    assertEquals(Service.State.FAILED, service.state());
    assertThat(service.failureCause()).hasMessageThat().isEqualTo("kaboom!");
  }

  private class ThrowOnStartUpService extends AbstractExecutionThreadService {

    try {
      unicodeEscaper.escape("\uD800x\uDC00");
      fail("should have failed for bad Unicode input");
    } catch (IllegalArgumentException e) {
      // pass
    }
    assertEquals("<lo><hi>", charEscaper.escape("\uDC00\uD800"));
    try {
      unicodeEscaper.escape("\uDC00\uD800");
      fail("should have failed for bad Unicode input");
    } catch (IllegalArgumentException e) {
      // pass
    }

   *
   * In part because Cells are relatively large, we avoid creating
   * them until they are needed.  When there is no contention, all
   * updates are made to the base field.  Upon first contention (a
   * failed CAS on base update), the table is initialized to size 2.
   * The table size is doubled upon further contention until
   * reaching the nearest power of two greater than or equal to the