MongoDB.Driver.TestDatabase.TestReferenceNonOid C# (CSharp) Method

        public void TestReferenceNonOid()
        {
            Database tests = mongo["tests"];
            IMongoCollection refs = tests["refs"];

            Document doc = new Document().Append("_id",123).Append("msg", "this has a non oid key");
            refs.Insert(doc);

            DBRef rf = new DBRef("refs",123);

            Document recv = tests.FollowReference(rf);

            Assert.IsNotNull(recv);
            Assert.IsTrue(recv.Contains("msg"));
            Assert.AreEqual(recv["_id"], (long)123);
        }