MongoDB.Driver.TestDocument.TestKeyOrderPreservedOnRemove C# (CSharp) Метод

        public void TestKeyOrderPreservedOnRemove()
        {
            Document d = new Document();
            d["one"] = 1;
            d["onepointfive"] = 1.5;
            d.Add("two", 2);
            d.Add("two.5", 2.5);
            d.Remove("two.5");
            d["three"] = 3;
            d.Remove("onepointfive");
            int cnt = 1;
            foreach(String key in d.Keys){
                Assert.AreEqual(cnt, d[key]);
                cnt++;
            }
        }