tester.testAllPublicStaticMethods(Joiner.class);
    tester.testInstanceMethods(Joiner.on(","), NullPointerTester.Visibility.PACKAGE);
    tester.testInstanceMethods(Joiner.on(",").skipNulls(), NullPointerTester.Visibility.PACKAGE);
    tester.testInstanceMethods(
        Joiner.on(",").useForNull("x"), NullPointerTester.Visibility.PACKAGE);
    tester.testInstanceMethods(

   * least {@code minimalVisibility}, including those inherited from superclasses of the same
   * package.
   */
  public void testInstanceMethods(Object instance, Visibility minimalVisibility) {
    for (Method method : getInstanceMethodsToTest(instance.getClass(), minimalVisibility)) {
      testMethod(instance, method);
    }
  }

   * least {@code minimalVisibility}, including those inherited from superclasses of the same
   * package.
   */
  public void testInstanceMethods(Object instance, Visibility minimalVisibility) {
    for (Method method : getInstanceMethodsToTest(instance.getClass(), minimalVisibility)) {
      testMethod(instance, method);
    }
  }

            .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 {
    RateLimiter rateLimiter = RateLimiter.create(Double.MIN_VALUE, 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 {
    RateLimiter rateLimiter = RateLimiter.create(Double.MIN_VALUE, stopwatch);

    nullPointerTester.testStaticMethods(cls, visibility);
    if (hasInstanceMethodToTestNulls(cls, visibility)) {
      Object instance = instantiate(cls);
      if (instance != null) {
        nullPointerTester.testInstanceMethods(instance, visibility);
      }
    }
  }

  private boolean hasInstanceMethodToTestNulls(Class<?> c, Visibility visibility) {