MongoDB.Driver.MongoCollectionSettings.Freeze C# (CSharp) Метод

        public MongoCollectionSettings Freeze()
        {
            if (!_isFrozen)
            {
                if (_readPreference.Value != null) { _readPreference.Value = _readPreference.Value.FrozenCopy(); }
                if (_writeConcern.Value != null) { _writeConcern.Value = _writeConcern.Value.FrozenCopy(); }
                _frozenHashCode = GetHashCode();
                _frozenStringRepresentation = ToString();
                _isFrozen = true;
            }
            return this;
        }

        public void TestAll()
        {
            var settings = new MongoCollectionSettings();
            settings.CollectionName = "collection";
            settings.AssignIdOnInsert = false;
            settings.SafeMode = SafeMode.Create(5, TimeSpan.FromSeconds(5));
            settings.SlaveOk = true;

            Assert.AreEqual("collection", settings.CollectionName);
            Assert.AreEqual(false, settings.AssignIdOnInsert);
            Assert.AreEqual(SafeMode.Create(5, TimeSpan.FromSeconds(5)), settings.SafeMode);
            Assert.AreEqual(true, settings.SlaveOk);

            Assert.IsFalse(settings.IsFrozen);
            var hashCode = settings.GetHashCode();
            var stringRepresentation = settings.ToString();
            Assert.AreEqual(settings, settings);

            settings.Freeze();
            Assert.IsTrue(settings.IsFrozen);
            Assert.AreEqual(hashCode, settings.GetHashCode());
            Assert.AreEqual(stringRepresentation, settings.ToString());

            var clone = settings.Clone();
            Assert.IsFalse(clone.IsFrozen);
            Assert.AreEqual(settings, clone);
        }