reset();
    }

    @Override
    public String getElapsed() {
        long elapsedMillis = getElapsedMillis();
        return TimeFormatting.formatDurationVerbose(elapsedMillis);
    }

    @Override
    public long getElapsedMillis() {
        long elapsedNanos = timeSource.nanoTime() - startTime;
        long elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos);

        when:
        setTime(100)
        timer.reset()
        setTime(200)

        then:
        timer.elapsedMillis == 100
    }

    def testElapsed() throws Exception {
        when:
        setTime(100)

        then:
        timer.elapsedMillis == 100
    }

    private void setTime(long timestamp) {
        1 * timeSource.nanoTime() >> TimeUnit.MILLISECONDS.toNanos(timestamp)

    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos
    val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)
    assertThat(elapsedMillis).isBetween(500L, 1000L)
  }

  /**
   * Throttle the response body by sleeping 500ms after every 3 bytes. With a 6-byte response, this

    val inputStream = connection.getInputStream()
    assertThat(inputStream.read()).isEqualTo(-1)
    val elapsedNanos = System.nanoTime() - startNanos
    val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)
    assertThat(elapsedMillis).isBetween(500L, 1000L)
  }

  /**
   * Throttle the response body by sleeping 500ms after every 3 bytes. With a 6-byte response, this

     * generous than it needs to be.
     */
    assertTrue(
        "Expected elapsed millis to be >= " + expectedMillis + " but was " + elapsedMillis,
        elapsedMillis + 5 >= expectedMillis);
  }

  // TODO(cpovirk): Split this into separate CountDownLatch and IncrementableCountDownLatch classes.

  /** Manages a {@link BlockingQueue} and associated timings for a {@code put} call. */

     * generous than it needs to be.
     */
    assertTrue(
        "Expected elapsed millis to be >= " + expectedMillis + " but was " + elapsedMillis,
        elapsedMillis + 5 >= expectedMillis);
  }

  // TODO(cpovirk): Split this into separate CountDownLatch and IncrementableCountDownLatch classes.

  /** Manages a {@link BlockingQueue} and associated timings for a {@code put} call. */

    long t0 = System.nanoTime();
    try {
      super.runTest();
    } finally {
      long elapsedMillis = (System.nanoTime() - t0) / (1000L * 1000L);
      if (elapsedMillis >= profileThreshold)
        System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
    }
  }

  //     /**
  //      * Runs all JSR166 unit tests using junit.textui.TestRunner
  //      */

    long t0 = System.nanoTime();
    try {
      super.runTest();
    } finally {
      long elapsedMillis = (System.nanoTime() - t0) / (1000L * 1000L);
      if (elapsedMillis >= profileThreshold)
        System.out.printf("%n%s: %d%n", toString(), elapsedMillis);
    }
  }

  //     /**
  //      * Runs all JSR166 unit tests using junit.textui.TestRunner
  //      */

        }
        receivingLock.close()
        then:
        build.waitForFinish()
        pingRequestCount == 3 || pingRequestCount == 4
        timer.elapsedMillis > 3000 // See: DefaultFileLockContentionHandler.PING_DELAY
    }

    def "the lock holder starts the release request only once and discards additional requests in the meantime"() {
        given:

    val elapsedNanos = System.nanoTime() - startNanos
    val elapsedMillis = TimeUnit.NANOSECONDS.toMillis(elapsedNanos)

    // If we're working correctly, this should be greater than 100ms, but less than double that.
    // Previously we had a bug where we would download the entire response body as long as no
    // individual read took longer than 100ms.
    assertThat(elapsedMillis).isLessThan(500L)