coredata 80 KVO problem
coredata 80 KVO problem
- Subject: coredata 80 KVO problem
- From: Mu Lin <email@hidden>
- Date: Wed, 6 Sep 2006 10:11:27 -0700
Here is a bug report I sent to apple, does anyone has the same problem?
Summary:
remove newly created nsmanaged object through nsarray controller will
cause KVO's new value as nsnull in coredata version 80, but it is ok
for coredata 1.0.
Steps to Reproduce:
1. The sample code Stickies in /Developer/Examples/CoreData
2. append following code in the end of awakeFromInsert in Sticky.m
[self addObserver:self
forKeyPath:windowFrameKey
options:NSKeyValueObservingOptionNew
context:NULL];
3. remove the Stickies.xml in application support folder.
4. build and go
5. open one or two window using file->new
6. close on of the window
And you will notice exception is raised due to nsnull change value.
Regression:
coredata 1.0 in Mac OS X 10.4.2 is ok, but coredata 80 in Mac OS X
10.4.7 is not
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