public virtual void test_constructor_messageCause()
        {
            System.ArgumentException cause = new System.ArgumentException("Under");
            PricingException         test  = new PricingException("Hello", cause);

            assertEquals(test.Message, "Hello");
            assertEquals(test.InnerException, cause);
        }
        public virtual void test_constructor_message()
        {
            PricingException test = new PricingException("Hello");

            assertEquals(test.Message, "Hello");
        }