public void Constructor_should_work()
        {
            var processedRequests = new WriteRequest[0];
            var upserts = new BulkWriteUpsert[0];
            var result = new AcknowledgedBulkWriteOperationResult(1, 2, 3, 4, 5, processedRequests, upserts);
            var writeErrors = new BulkWriteError[0];
            var writeConcernError = new WriteConcernError(1, "message", new BsonDocument("x", 1));
            var unprocessedRequests = new WriteRequest[0];
            var subject = new BulkWriteOperationException(result, writeErrors, writeConcernError, unprocessedRequests);

            subject.Result.Should().BeSameAs(result);
            subject.UnprocessedRequests.Should().BeSameAs(unprocessedRequests);
            subject.WriteConcernError.Should().BeSameAs(writeConcernError);
            subject.WriteErrors.Should().BeSameAs(writeErrors);
        }
        public void Serialization_should_drop_custom_fields()
        {
            var processedRequests = new WriteRequest[0];
            var upserts = new BulkWriteUpsert[0];
            var result = new AcknowledgedBulkWriteOperationResult(1, 2, 3, 4, 5, processedRequests, upserts);
            var writeErrors = new BulkWriteError[0];
            var writeConcernError = new WriteConcernError(1, "message", new BsonDocument("x", 1));
            var unprocessedRequests = new WriteRequest[0];
            var subject = new BulkWriteOperationException(result, writeErrors, writeConcernError, unprocessedRequests);

            var formatter = new BinaryFormatter();
            using (var stream = new MemoryStream())
            {
                formatter.Serialize(stream, subject);
                stream.Position = 0;
                var rehydrated = (BulkWriteOperationException)formatter.Deserialize(stream);

                rehydrated.Result.Should().BeNull();
                rehydrated.UnprocessedRequests.Should().BeNull();
                rehydrated.WriteConcernError.Should().BeNull();
                rehydrated.WriteErrors.Should().BeNull();
            }
        }