[PATCH 2/3] test: Add `test_emacs_expect_t'.

[Dmitry Kurochkin]

On Tue, 17 Jan 2012 14:35:07 +0000, David Edmondson <dme at dme.org> wrote:
> On Tue, 17 Jan 2012 18:26:41 +0400, Dmitry Kurochkin <dmitry.kurochkin at gmail.com> wrote:
> > Sorry, I still do not understand why we can not implement
> > test_emacs_expect_t() like:
> > 
> >   result=${test_emacs $@}
> >   test_expect_equal $result t
> > 
> > Can you please explain?
> 
> In the failure case test_expect_equal does:
> 
>   test_failure_ "$test_subtest_name" "$(diff -u $testname.expected $testname.output)"
> 
> that diff output is not useful here, because the test harness doesn't
> have any expected output other than `t' with which to diff the actual
> output.
> 
> The emacs-address-cleaning test shows how we will provide expected
> vs. actual output directly from within emacs, making it easier for the
> developer to figure out what went wrong.

Thanks for the explanation.

Regards,
  Dmitry