Apache.NMS.ActiveMQ.Test.QueueBrowserTests.TestReceiveBrowseReceive C# (CSharp) Method

        public void TestReceiveBrowseReceive()
        {
            using (IConnection connection = CreateConnection())
            {
                using (ISession session = connection.CreateSession(AcknowledgementMode.AutoAcknowledge))
                {
                    IDestination destination = session.GetQueue("TestReceiveBrowseReceive");
                    IMessageProducer producer = session.CreateProducer(destination);
                    IMessageConsumer consumer = session.CreateConsumer(destination);
                    connection.Start();

                    IMessage[] outbound = new IMessage[]{session.CreateTextMessage("First Message"),
                                                         session.CreateTextMessage("Second Message"),
                                                         session.CreateTextMessage("Third Message")};

                    // lets consume any outstanding messages from previous test runs
                    while (consumer.Receive(TimeSpan.FromMilliseconds(1000)) != null)
                    {
                    }

                    producer.Send(outbound[0]);
                    producer.Send(outbound[1]);
                    producer.Send(outbound[2]);

                    IMessage msg = consumer.Receive(TimeSpan.FromMilliseconds(1000));

                    // Get the first.
                    Assert.AreEqual(((ITextMessage)outbound[0]).Text, ((ITextMessage)msg).Text);
                    consumer.Close();

                    IQueueBrowser browser = session.CreateBrowser((IQueue)destination);
                    IEnumerator enumeration = browser.GetEnumerator();

                    // browse the second
                    Assert.IsTrue(enumeration.MoveNext(), "should have received the second message");
                    Assert.AreEqual(((ITextMessage)outbound[1]).Text, ((ITextMessage)enumeration.Current).Text);

                    // browse the third.
                    Assert.IsTrue(enumeration.MoveNext(), "Should have received the third message");
                    Assert.AreEqual(((ITextMessage)outbound[2]).Text, ((ITextMessage)enumeration.Current).Text);

                    // There should be no more.
                    bool tooMany = false;
                    while (enumeration.MoveNext())
                    {
                        Debug.WriteLine("Got extra message: " + ((ITextMessage)enumeration.Current).Text);
                        tooMany = true;
                    }
                    Assert.IsFalse(tooMany);

                    //Reset should take us back to the start.
                    enumeration.Reset();

                    // browse the second
                    Assert.IsTrue(enumeration.MoveNext(), "should have received the second message");
                    Assert.AreEqual(((ITextMessage)outbound[1]).Text, ((ITextMessage)enumeration.Current).Text);

                    // browse the third.
                    Assert.IsTrue(enumeration.MoveNext(), "Should have received the third message");
                    Assert.AreEqual(((ITextMessage)outbound[2]).Text, ((ITextMessage)enumeration.Current).Text);

                    // There should be no more.
                    tooMany = false;
                    while (enumeration.MoveNext())
                    {
                        Debug.WriteLine("Got extra message: " + ((ITextMessage)enumeration.Current).Text);
                        tooMany = true;
                    }
                    Assert.IsFalse(tooMany);

                    browser.Close();

                    // Re-open the consumer.
                    consumer = session.CreateConsumer(destination);

                    // Receive the second.
                    Assert.AreEqual(((ITextMessage)outbound[1]).Text, ((ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(1000))).Text);
                    // Receive the third.
                    Assert.AreEqual(((ITextMessage)outbound[2]).Text, ((ITextMessage)consumer.Receive(TimeSpan.FromMilliseconds(1000))).Text);
                    consumer.Close();
                }
            }
        }