public virtual void TestDateTimeDateDiffDay()
{
var actual = db.Orders.FirstOrDefault(o => o.OrderDate == new DateTime(1997, 8, 25) && SqlFunctions.DateDiff(DateParts.Day, o.OrderDate, new DateTime(1996, 1, 1)) == -602);
Assert.AreNotEqual(null, actual);
}
[TestMethod]