*/
  static void delay(long millis) throws InterruptedException {
    long startTime = System.nanoTime();
    long ns = millis * 1000 * 1000;
    for (; ; ) {
      if (millis > 0L) Thread.sleep(millis);
      else // too short to sleep
      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }

import junit.framework.TestCase;

/**
 * Unit test for {@link AbstractService}.
 *
 * @author Jesse Wilson
 */
public class AbstractServiceTest extends TestCase {

  private static final long LONG_TIMEOUT_MILLIS = 10000;
  private Thread executionThread;
  private Throwable thrownByExecutionThread;

  public void testNoOpServiceStartStop() throws Exception {
    NoOpService service = new NoOpService();

    public static final int TIME_1904_SEC_32LE = 4;
    public static final int TIME_1601_NANOS_64LE = 5;
    public static final int TIME_1601_NANOS_64BE = 6;
    public static final int TIME_1970_MILLIS_64BE = 7;
    public static final int TIME_1970_MILLIS_64LE = 8;

    /* Encode integers
     */

    public static int enc_uint16be( short s, byte[] dst, int di ) {
        dst[di++] = (byte)((s >> 8) & 0xFF);

   */
  static void delay(long millis) throws InterruptedException {
    long startTime = System.nanoTime();
    long ns = millis * 1000 * 1000;
    for (; ; ) {
      if (millis > 0L) Thread.sleep(millis);
      else // too short to sleep
      Thread.yield();
      long d = ns - (System.nanoTime() - startTime);
      if (d > 0L) millis = d / (1000 * 1000);
      else break;
    }
  }

import junit.framework.TestCase;

/**
 * Unit test for {@link AbstractService}.
 *
 * @author Jesse Wilson
 */
public class AbstractServiceTest extends TestCase {

  private static final long LONG_TIMEOUT_MILLIS = 10000;
  private Thread executionThread;
  private Throwable thrownByExecutionThread;

  public void testNoOpServiceStartStop() throws Exception {
    NoOpService service = new NoOpService();

    }
  }

  private static void assertNotInterrupted() {
    assertFalse(Thread.interrupted());
  }

  private static void requestInterruptIn(long millis) {
    InterruptionUtil.requestInterruptIn(millis, MILLISECONDS);
  }

  @CanIgnoreReturnValue
  private static Thread acquireFor(final Lock lock, final long duration, final TimeUnit unit) {

    assertEquals(0, ticker.read());
    assertEquals(10, ticker.read());
    assertEquals(20, ticker.read());
  }

  public void testAutoIncrementStep_millis() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(1, TimeUnit.MILLISECONDS);
    assertEquals(0, ticker.read());
    assertEquals(1000000, ticker.read());
    assertEquals(2000000, ticker.read());
  }

    stopwatch.start();
    ticker.advance(999);
    assertEquals(0, stopwatch.elapsed(MICROSECONDS));
    ticker.advance(1);
    assertEquals(1, stopwatch.elapsed(MICROSECONDS));
  }

  public void testElapsed_millis() {
    stopwatch.start();
    ticker.advance(999999);
    assertEquals(0, stopwatch.elapsed(MILLISECONDS));
    ticker.advance(1);
    assertEquals(1, stopwatch.elapsed(MILLISECONDS));
  }

    final List<String> events = Lists.newArrayList();

    @Override
    public long readMicros() {
      return NANOSECONDS.toMicros(instant);
    }

    void sleepMillis(int millis) {
      sleepMicros("U", MILLISECONDS.toMicros(millis));
    }

    void sleepMicros(String caption, long micros) {
      instant += MICROSECONDS.toNanos(micros);

    assertEquals(0, ticker.read());
    assertEquals(10, ticker.read());
    assertEquals(20, ticker.read());
  }

  public void testAutoIncrementStep_millis() {
    FakeTicker ticker = new FakeTicker().setAutoIncrementStep(1, TimeUnit.MILLISECONDS);
    assertEquals(0, ticker.read());
    assertEquals(1000000, ticker.read());
    assertEquals(2000000, ticker.read());
  }