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/*
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*
*/
using System;
using System.Collections;
using System.Text;
using System.Threading;
using NUnit.Framework;
using Apache.Qpid.Collections;
namespace Apache.Qpid.Collections.Tests
{
[TestFixture]
public class TestConsumerProducerQueue
{
private ConsumerProducerQueue _queue;
[SetUp]
public void SetUp()
{
_queue = new ConsumerProducerQueue();
}
[Test]
public void CanDequeueWithInifiniteWait()
{
Thread producer = new Thread(new ThreadStart(ProduceFive));
producer.Start();
for ( int i = 0; i < 5; i++ )
{
object item = _queue.Dequeue();
Assert.IsNotNull(item);
}
}
[Test]
public void ReturnsNullOnDequeueTimeout()
{
// queue is empty
Assert.IsNull(_queue.Dequeue(500));
}
[Test]
public void DequeueTillEmpty()
{
_queue.Enqueue(1);
_queue.Enqueue(2);
_queue.Enqueue(3);
Assert.AreEqual(1, _queue.Dequeue());
Assert.AreEqual(2, _queue.Dequeue());
Assert.AreEqual(3, _queue.Dequeue());
// no messages in queue, will timeout
Assert.IsNull(_queue.Dequeue(500));
}
private void ProduceFive()
{
Thread.Sleep(1000);
_queue.Enqueue("test item 1");
_queue.Enqueue("test item 2");
_queue.Enqueue("test item 3");
Thread.Sleep(0);
_queue.Enqueue("test item 4");
_queue.Enqueue("test item 5");
}
}
}
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