public void SeasonEnumTest()
        {
            var winter = new SeasonCalendar(Season.Winter);

            Assert.AreEqual <int>(10, winter.StartMonth);
            Assert.AreEqual <int>(12, winter.EndMonth);
            Assert.AreEqual <Season>(Season.Winter, SeasonCalendar.GetSeason(11));
        }
        public void SeasonEnum()
        {
            var winter = new SeasonCalendar(Season.Winter);

            Assert.AreEqual <int>(10, winter.StartMonth);
            Assert.AreEqual <int>(12, winter.EndMonth);
            Assert.AreEqual <string>("冰天雪地", winter.Note);
            Assert.AreNotEqual <int>(11, new SeasonCalendar(Season.Autumn).StartMonth);

            Assert.AreEqual <Season>(Season.Winter, SeasonCalendar.GetSeason(12));
            Assert.AreEqual <Season>(Season.Winter, SeasonCalendar.GetSeason(11));
            Assert.AreEqual <Season>(Season.Autumn, SeasonCalendar.GetSeason(8));
        }