DelegatingDerivingMeterTest.java 文件源码

private void setupRateTest() throws InterruptedException {
    Clock clock = mock(Clock.class);

    meter = new DelegatingDerivingMeter(new Meter(clock));

    when(clock.getTick()).thenReturn(0L);
    meter.mark(0);
    meter.mark(2000);
    // need to 'wait' more than 5 seconds for the Codahale metrics meter to 'tick'.
    when(clock.getTick()).thenReturn(TimeUnit.NANOSECONDS.convert(6, TimeUnit.SECONDS));
}