1/10/2011 4:29:11 AM
grega
Posts: 6
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Hi,
I stumbled upon T# searching for some information about unit testing and couldn't stop reading about it. I absolutely love the simplicity of it. I read through the documentation and I am very impressed. I am thinking about converting all out test into T#. However there is one thing I wanted to ask. Is there a way to SIMPLY test asynchronous code. Below is an example to show you what I mean and to show how I would do it using MS testing framework.
Let's say I have a class which uses threading:
public class ThreadedClass
{
public void Start()
{
new Thread(ThreadedMethod).Start();
}
private void ThreadedMethod()
{
Thread.Sleep(1000);
if (Event != null) Event(this, new EventArgs());
}
public event EventHandler Event;
}
I would test it like this:
[TestMethod]
public void TestMethod1()
{
ManualResetEvent mre = new ManualResetEvent(false);
bool eventFired = false;
ThreadedClass threadedClass = new ThreadedClass();
threadedClass.Event += (Object sender, EventArgs e) => { eventFired = true; mre.Set(); };
threadedClass.Start();
mre.WaitOne(2000, false);
Assert.IsTrue(eventFired, "Event wasn't fired");
}
In T# I could probably test it using "assert raised" and using Thread.Sleep. But I hope there must be a simpler way of doing this with T#.
Something like this maybe:
test ThreadedClass
{
ThreadedClass threadedClass = new ThreadedClass();
runtest threadedClass.Start();
assert raised threadedClass.Event within 2000;
}
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1/10/2011 9:10:20 AM
Ludovic Dubois
Administrator
Posts: 159
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Thanks for your comment!
You have a very good idea. I will see what I can do... soon...
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3/4/2011 4:38:18 PM
Ludovic Dubois
Administrator
Posts: 159
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I just release Visual T# v1.10 that enables you to test asynchronous events.
Have good tests 
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