assertEquals(0, stopwatch.elapsed(NANOSECONDS));
    stopwatch.start();
    ticker.advance(3);
    assertEquals(3, stopwatch.elapsed(NANOSECONDS));
  }

  public void testReset_whileRunning() {
    ticker.advance(1);
    stopwatch.start();
    assertEquals(0, stopwatch.elapsed(NANOSECONDS));
    ticker.advance(2);
    assertEquals(2, stopwatch.elapsed(NANOSECONDS));
    stopwatch.reset();

    return advance(timeUnit.toNanos(time));
  }

  /** Advances the ticker value by {@code nanoseconds}. */
  @SuppressWarnings("GoodTime") // should accept a java.time.Duration
  @CanIgnoreReturnValue
  public FakeTicker advance(long nanoseconds) {
    nanos.addAndGet(nanoseconds);
    return this;
  }

  /**
   * Advances the ticker value by {@code duration}.
   *

      public long getDelay(TimeUnit unit) {
        return Long.MAX_VALUE;
      }

      @Override
      public int compareTo(Delayed other) {
        return Longs.compare(getDelay(NANOSECONDS), other.getDelay(NANOSECONDS));
      }
    }
  }

    RateLimiter unused;
    unused = RateLimiter.create(1.0, 1, NANOSECONDS);
    unused = RateLimiter.create(1.0, 0, NANOSECONDS);

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(0.0, 1, NANOSECONDS));

    assertThrows(IllegalArgumentException.class, () -> RateLimiter.create(1.0, -1, NANOSECONDS));
  }

  @AndroidIncompatible // difference in String.format rounding?

      return MINUTES;
    }
    if (SECONDS.convert(nanos, NANOSECONDS) > 0) {
      return SECONDS;
    }
    if (MILLISECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MILLISECONDS;
    }
    if (MICROSECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MICROSECONDS;
    }
    return NANOSECONDS;
  }

  private static String abbreviate(TimeUnit unit) {

      return MINUTES;
    }
    if (SECONDS.convert(nanos, NANOSECONDS) > 0) {
      return SECONDS;
    }
    if (MILLISECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MILLISECONDS;
    }
    if (MICROSECONDS.convert(nanos, NANOSECONDS) > 0) {
      return MICROSECONDS;
    }
    return NANOSECONDS;
  }

  private static String abbreviate(TimeUnit unit) {

    assertEquals(0, stopwatch.elapsed(NANOSECONDS));
    stopwatch.start();
    ticker.advance(3);
    assertEquals(3, stopwatch.elapsed(NANOSECONDS));
  }

  public void testReset_whileRunning() {
    ticker.advance(1);
    stopwatch.start();
    assertEquals(0, stopwatch.elapsed(NANOSECONDS));
    ticker.advance(2);
    assertEquals(2, stopwatch.elapsed(NANOSECONDS));
    stopwatch.reset();

    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());
  }

 * the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static java.util.concurrent.TimeUnit.NANOSECONDS;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;
import com.google.common.base.Preconditions;

    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());
  }