public void GetGpsCarHistoryInfoTest()
        {
            GpsHistory      target   = new GpsHistory();
            DateTime        start    = new DateTime(2016, 7, 17, 21, 0, 0);
            DateTime        end      = new DateTime(2016, 7, 17, 23, 59, 59);
            List <GpsTrail> expected = null;
            List <GpsTrail> actual;

            actual = target.GetGpsCarHistoryInfo(start, end);
            Assert.AreEqual(expected, actual);
            //Assert.Inconclusive("验证此测试方法的正确性。");
        }
        private GpsHistory gpsHistory; //单件

        public GpsHistoryOneDayImpl()
        {
            this.gpsHistory = new GpsHistory();
        }