new NullPointerTester()
            .setDefault(SleepingStopwatch.class, stopwatch)
            .setDefault(int.class, 1)
            .setDefault(double.class, 1.0d);
    tester.testStaticMethods(RateLimiter.class, Visibility.PACKAGE);
    tester.testInstanceMethods(RateLimiter.create(5.0, stopwatch), Visibility.PACKAGE);
  }

  public void testVerySmallDoubleValues() throws Exception {

        new NullPointerTester()
            .setDefault(SleepingStopwatch.class, stopwatch)
            .setDefault(int.class, 1)
            .setDefault(double.class, 1.0d);
    tester.testStaticMethods(RateLimiter.class, Visibility.PACKAGE);
    tester.testInstanceMethods(RateLimiter.create(5.0, stopwatch), Visibility.PACKAGE);
  }

  public void testVerySmallDoubleValues() throws Exception {

    shouldFail(instance, Visibility.PROTECTED);
    shouldFail(instance, Visibility.PUBLIC);
  }

  private static void shouldFail(Class<?> cls, Visibility visibility) {
    try {
      new NullPointerTester().testStaticMethods(cls, visibility);
    } catch (AssertionError expected) {
      return;
    }
    fail("Should detect problem in " + cls.getSimpleName());
  }

  private static void shouldFail(Class<?> cls) {