From: Simon Strandgaard <neoneye@...>
Date: 2003-12-12T23:57:04+09:00
Subject: Re: How to unit test finalizers?

On Fri, 12 Dec 2003 23:43:43 +0900, Paul Brannan wrote:

> On Thu, Dec 11, 2003 at 12:43:52PM +0900, Yukihiro Matsumoto wrote:
>> How about not relying on finalizers, i.e. separate finalizing process
>> into a method, then call the method explicitly in the test?  You don't
>> have to test whether finalizers are called.  That's my responsibility.
> 
> While it is your responsibility to call the finalizers, it is our
> responsibility to make sure that there are no references to the object
> hanging around keeping the object from being finalized.  I don't know of
> any good, portable way to unit test that, though.

Wouldn't it be possible to spawn a child process, where a instance outputs
something when it gets finalized.
Then the parent process could do a  assert_equal(count_open, count_close)


Is that realistic.. ?  I have only played a little with finalizers.

--
Simon Strandgaard