MongoDB.DriverUnitTests.MongoCollectionTests.TestFindAndModifyNoMatchingDocument C# (CSharp) Метод

        public void TestFindAndModifyNoMatchingDocument()
        {
            _collection.RemoveAll();

            var query = Query.EQ("inprogress", false);
            var sortBy = SortBy.Descending("priority");
            var started = DateTime.UtcNow;
            started = started.AddTicks(-(started.Ticks % 10000)); // adjust for MongoDB DateTime precision
            var update = Update.Set("inprogress", true).Set("started", started);
            var result = _collection.FindAndModify(query, sortBy, update, false); // return old
            Assert.IsTrue(result.Ok);
            Assert.IsNull(result.ErrorMessage);
            Assert.IsNull(result.ModifiedDocument);
            Assert.IsNull(result.GetModifiedDocumentAs<FindAndModifyClass>());
        }