for (String methodName : STATIC_ONE_ARG_METHODS_SHOULD_PASS) {
      Method method = OneArg.class.getMethod(methodName, String.class);
      try {
        new NullPointerTester().testMethodParameter(new OneArg(), method, 0);
      } catch (AssertionError unexpected) {
        throw new AssertionError("Should not have flagged method " + methodName, unexpected);
      }
    }
  }

   */
  public void testMethod(@Nullable Object instance, Method method) {
    Class<?>[] types = method.getParameterTypes();
    for (int nullIndex = 0; nullIndex < types.length; nullIndex++) {
      testMethodParameter(instance, method, nullIndex);
    }
  }

  /**
   * Verifies that {@code ctor} produces a {@link NullPointerException} or {@link

   */
  public void testMethod(@Nullable Object instance, Method method) {
    Class<?>[] types = method.getParameterTypes();
    for (int nullIndex = 0; nullIndex < types.length; nullIndex++) {
      testMethodParameter(instance, method, nullIndex);
    }
  }

  /**
   * Verifies that {@code ctor} produces a {@link NullPointerException} or {@link