GarbageCollect.cs

// Copyright 2016-2017 Confluent Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Refer to LICENSE for more information.

using System;
using System.Text;
using System.Collections.Generic;
using Confluent.Kafka.Serialization;
using Xunit;


namespace Confluent.Kafka.IntegrationTests
{
    public static partial class Tests
    {
        /// <summary>
        ///     Make a Producer and Consumer.
        ///     Do some stuff with them.
        ///     Force a garbage collection.
        ///     Segfault?
        /// </summary>
        [Theory, MemberData(nameof(KafkaParameters))]
        public static void GarbageCollect(string bootstrapServers, string singlePartitionTopic, string partitionedTopic)
        {
            var producerConfig = new Dictionary<string, object>
            {
                { "bootstrap.servers", bootstrapServers }
            };

            var consumerConfig = new Dictionary<string, object>
            {
                { "group.id", Guid.NewGuid().ToString() },
                { "bootstrap.servers", bootstrapServers }
            };

            using (var producer = new Producer<Null, string>(producerConfig, null, new StringSerializer(Encoding.UTF8)))
            {
                producer.ProduceAsync(singlePartitionTopic, null, "test string").Wait();
            }

            using (var consumer = new Consumer<Null, string>(consumerConfig, null, new StringDeserializer(Encoding.UTF8)))
            {
                consumer.Subscribe(singlePartitionTopic);
                consumer.Poll(1000);
            }

            GC.Collect();
            // if an attempt is made to free an unmanaged resource a second time
            // in an object finalizer, the call to .Collect() will likely segfault.
        }
    }
}