NLite.Data.Test.DateTimeTest.TestDateTimeSubtractDate C# (CSharp) Method

        public virtual void TestDateTimeSubtractDate()
        {
            TimeSpan ts = new TimeSpan(2, 2, 2, 2);
            var od = db.Orders.FirstOrDefault(o => o.OrderDate == new DateTime(1997, 8, 25) && (o.OrderDate.Subtract(ts)) == new DateTime(1997, 8, 22, 21, 57, 58));
            Assert.AreNotEqual(null, od);
        }
        [TestMethod]