Re: Unit test crash inside NSTableView
Re: Unit test crash inside NSTableView
- Subject: Re: Unit test crash inside NSTableView
- From: Corbin Dunn <email@hidden>
- Date: Wed, 11 Nov 2009 10:30:08 -0800
On Nov 11, 2009, at 8:39 AM, David Catmull wrote:
> I'm getting a crash in -[NSTableView _isGroupRow:] in my unit tests if I try to run the main run loop.
>
> In my document's window, I have an NSOutlineView with its delegate and dataSource set to the window controller. In some unit tests, I want to run the main event loop to give some bindings a chance to do their thing, but this causes a crash. Once, instead of crashing, there was a message logged that some random class (whose name I can't remember) doesn't respond to -[outlineView:isGroupItem:], as if the outline view's delegate were set wrong. I added a check for that in the unit test and it was fine. When I run the app normally everything works.
Your delegate is being deallocated too soon. Try adding a log when it gets dealloced (or a breakpoint) and see if the crash happens after the deallocation. It probably will.
--corbin
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