public void TestPostAfterStartInAnotherThread()
{
using (MessageQueue queue = new MessageQueue())
{
object received = null;
queue.MessageReceived += delegate(object sender, MessageQueueEventArgs e)
{
received = e.Message;
};
object message = new object();
queue.StartInAnotherThread();
queue.Post(message);
queue.TerminateAndWait();
Assert.AreSame(message, received);
}
}
public void TestContinueQueueAfterTerminate()
{
using (MessageQueue queue = new MessageQueue())
{
object received = null;
queue.MessageReceived += delegate(object sender, MessageQueueEventArgs e)
{
received = e.Message;
};
queue.StartInAnotherThread();
// Keep the queue busy for 100 ms
queue.Post(x => Thread.Sleep(100), null);
// Post a message that will be quickly handled as soon as the above sleep finishes
object message1 = new object();
queue.Post(message1);
// Post a termination request to the queue.
queue.Terminate();
// Post a second message - because this is after the Terminate it will not be
// processed until the queue is restarted.
object message2 = new object();
queue.Post(message2);
// Allow time for the messages processes so far (up to the terminate) to be processed.
Thread.Sleep(500);
// message1 should have been processed, but not message2.
Assert.AreSame(message1, received);
// Once we restart the queue, message2 should be processed.
queue.StartInAnotherThread();
queue.TerminateAndWait();
Assert.AreSame(message2, received);
}
}
public void BookExample()
{
using (MessageQueue queue = new MessageQueue())
{
queue.StartInAnotherThread();
double square = 0;
queue.MessageReceived += delegate(object sender, MessageQueueEventArgs e)
{
double value = (double)e.Message;
square = value * value;
};
queue.Post(5.0);
queue.TerminateAndWait();
Assert.AreEqual(25.0, square);
}
}
public void TestCantStartQueueTwice()
{
using (MessageQueue queue = new MessageQueue())
{
queue.StartInAnotherThread();
try
{
queue.StartInCurrentThread();
Assert.Fail();
}
catch (InvalidOperationException)
{
}
try
{
queue.ProcessQueue();
Assert.Fail();
}
catch (InvalidOperationException)
{
}
try
{
queue.StartInAnotherThread();
Assert.Fail();
}
catch (InvalidOperationException)
{
}
}
}
public void TestProcessQueue()
{
using (MessageQueue queue = new MessageQueue())
{
object received = null;
queue.MessageReceived += delegate(object sender, MessageQueueEventArgs e)
{
received = e.Message;
};
object message = new object();
queue.Post(message);
queue.ProcessQueue();
Assert.AreSame(message, received);
}
}
public ShapefileWorker(Context context, Ellipsoid globeShape, MessageQueue doneQueue)
{
_context = context;
_globeShape = globeShape;
_doneQueue = doneQueue;
}
