GNU bug report logs - #72381
srfi-64: test-result-remove fails to remove property

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Message #8 received at 72381 <at> debbugs.gnu.org (full text, mbox):

From: Taylan Kammer <taylan.kammer <at> gmail.com>
To: Tomas Volf <~@wolfsden.cz>, 72381 <at> debbugs.gnu.org
Subject: Re: bug#72381: srfi-64: test-result-remove fails to remove property
Date: Wed, 2 Oct 2024 00:37:59 +0200

On 30.07.2024 21:51, Tomas Volf wrote:
> Hello,
>
> I think I found a bug in (srfi srfi-64) module shipped with GNU Guile.
>
> When I try to remove a property from the result alist using this code:
>
>     (use-modules (srfi srfi-64))
>     (let ((r (test-runner-null)))
>       (test-result-set! r 'arstars 'a)
>       (test-result-remove r 'arstars))
>
> I get the following error:
>
>     Backtrace:
>     In ice-9/boot-9.scm:
>       1752:10  8 (with-exception-handler _ _ #:unwind? _ #:unwind-for-type _)
>     In unknown file:
>                7 (apply-smob/0 #<thunk 7f0fcff80300>)
>     In ice-9/boot-9.scm:
>         724:2  6 (call-with-prompt _ _ #<procedure default-prompt-handler (k proc)>)
>     In ice-9/eval.scm:
>         619:8  5 (_ #(#(#<directory (guile-user) 7f0fcff83c80>)))
>     In ice-9/boot-9.scm:
>        2836:4  4 (save-module-excursion _)
>       4388:12  3 (_)
>     In srfi/srfi-64/testing.scm:
>        546:35  2 (test-result-remove #<test-runner pass-count: 0 fail-count: 0 xpass-count: 0…> …)
>        548:55  1 (loop ((arstars . a)))
>        548:47  0 (loop ())
>
>     srfi/srfi-64/testing.scm:548:47: In procedure loop:
>     In procedure car: Wrong type argument in position 1 (expecting pair): ()
>
> From cursory look at the `test-result-remove' source, is seems that the named
> let `loop' is missing a stop condition?
>
> Have a nice day
> Tomas Volf
>
>
Your diagnosis sounds correct to me. A null check should fix it.

However, it's already fixed in my SRFI-64 implementation, thanks to using clean coding practices such as: "Don't reinvent SRFI-1." :-)

- Taylan

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