public void TestClassWithDateTimeId() { _collection.RemoveAll(); var doc = new ClassWithDateTimeId { Id = DateTime.MinValue, X = 1 }; _collection.Insert(doc); doc = new ClassWithDateTimeId { Id = DateTime.UtcNow, X = 1 }; _collection.Insert(doc); doc = new ClassWithDateTimeId { Id = DateTime.MaxValue, X = 1 }; _collection.Insert(doc); }