}

  public void testAutoIncrementStep_returnsSameInstance() {
    FakeTicker ticker = new FakeTicker();
    assertSame(ticker, ticker.setAutoIncrementStep(10, TimeUnit.NANOSECONDS));
  }

  public void testAutoIncrementStep_nanos() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(10, TimeUnit.NANOSECONDS);
    assertEquals(0, ticker.read());
    assertEquals(10, ticker.read());
    assertEquals(20, ticker.read());
  }

  }

  public void testAutoIncrementStep_returnsSameInstance() {
    FakeTicker ticker = new FakeTicker();
    assertSame(ticker, ticker.setAutoIncrementStep(10, TimeUnit.NANOSECONDS));
  }

  public void testAutoIncrementStep_nanos() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(10, TimeUnit.NANOSECONDS);
    assertEquals(0, ticker.read());
    assertEquals(10, ticker.read());
    assertEquals(20, ticker.read());
  }

   */
  @GwtIncompatible
  @J2ktIncompatible
  @CanIgnoreReturnValue
  @SuppressWarnings("Java7ApiChecker") // guava-android can rely on library desugaring now.
  public FakeTicker setAutoIncrementStep(Duration autoIncrementStep) {
    return setAutoIncrementStep(autoIncrementStep.toNanos(), TimeUnit.NANOSECONDS);
  }

  @Override
  public long read() {
    return nanos.getAndAdd(autoIncrementStepNanos);
  }

  @Beta // TODO: b/288085449 - Remove @Beta after we're sure that Java 8 APIs are safe for Android
  public FakeTicker setAutoIncrementStep(Duration autoIncrementStep) {
    return setAutoIncrementStep(autoIncrementStep.toNanos(), TimeUnit.NANOSECONDS);
  }

  @Override
  public long read() {
    return nanos.getAndAdd(autoIncrementStepNanos);
  }