Re: [boost] [smart_ptr] regression test case enhancement

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-04-30 13:34:58

Daniel Frey:

> The important thing is, that this test showed something else: The
> current tests without esft_constructor tests don't check who takes
> ownership of an enable_shared_from_this-derived object in case there are
> multiple simultaneous owners available.
>
> The attached patch checks that - and AFAICT it would fail with the
> 1.35.0 esft. (Both reference versions from above do pass).
>
> Should this be added?

We first need to decide which one we want to test for. The new behavior 
looks slightly better to me; when two shared_ptr instances take ownership of 
the same object, it's likely that the first one is the "legitimate" owner 
and the second one uses a null deleter.