Re: [TFUI] Re: [TDD] Testing Dialogs

Kelly,
 
A modeless window and a modal window are the same thing.  the only difference is calling Show() or ShowDialog().  In your tests call Show() and in the real code call ShowDialog().
 
It seems you're going to do a lot of extra work that isn't necessary.
 
cliff 
 
 
-----Original Message-----
From: [email protected]
To: [email protected]
Sent: Tue, 17 Oct 2006 10:50 AM
Subject: RE: [TFUI] Re: [TDD] Testing Dialogs


I would create a modeless window given a choice. But I don't have a
choice.

Perhaps you are suggesting that I use a modeless window for testing,
even if the window is modal in the real program? 

I'd be really interested in an example of the semaphore technique. I
don't have a lot of experience with thread programming, none at all in
.Net really.

-Kelly

________________________________

From: [email protected]
[mailto:[email protected]] On Behalf Of Phlip
Sent: Tuesday, October 17, 2006 8:31 AM
To: [email protected]
Cc: [email protected]
Subject: [TFUI] Re: [TDD] Testing Dialogs 

Anderson, Kelly wrote:

> I have an interesting approach to testing dialogs that I don't recall 
> seeing discussed on this list before, so I thought I'd share the 
> technique. Basically, you bring the dialog up on a separate thread,
then 
> you remote control the dialog and see if you get the expected result.

> t = new Thread(new ThreadStart(OpenDialog));
> t.Start();
> Thread.Sleep(1500); // wait for dialog to come up... then run test.

Tip: Pass a testing object into the thread, and let that throw a
semaphore. 
Then block on the semaphore here.

However, in general, Dialogs often block as a programmatic convenience,
so 
the same function as calls them can collect their return value and keep 
going.

False conveniences are bad for event-driven and test-ready programming.
If 
you instead create a modeless dialog, you can disable the underlying
window, 
and get exactly the same behaviors as a modal dialog. Then your test can

stay in one thread, and can operate the event queue to send the dialog 
messages.





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