On Fri, Mar 7, 2008 at 2:59 PM, Sherm Pendley <[EMAIL PROTECTED]> wrote:
> On Fri, Mar 7, 2008 at 5:45 PM, Jake <[EMAIL PROTECTED]> wrote:
>
>  > I am trying to create a simple Cocoa app that has an intentional memory
>  > leak so that I can play with the development tools Instruments, MallocDebug
>  > and leaks to learn how to detect memory leaks.  I have a Cocoa console
>  > application that has code that I was sure would leak - [NSNumber alloc] 
> with
>  > no corresponding release.   But when I run those tools I detect no leak.
>
>
>  NSNumber is a class cluster, so its +alloc is probably just returning a
>  singleton placeholder. Have you tried fully initializing the NSNumber
>  instances? Have you tried using NSObject instead?
>

Also, it happens that numbers -1 through 12 (I think) are uniqued, so
[[NSNumber alloc] initWithInteger:5] won't leak either.

This isn't something to count on, of course.

-Ken
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