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tests: Skip mkdtemp test for invalid template on Darwin.

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Darwin accepts any template, as demonstrated here:

    #include <stdio.h>
    #include <unistd.h>

    int
    main(void)
    {
    	char template[] = {'T', '-', 'A', 'A', 'A', 'A', 'A', 'A', '\0'};
    	char *res = mkdtemp(template);
    	puts(res ? res : "(null)");
    	perror("mkdtemp");
    }

Outputs:

    T-AAAAAA
    mkdtemp: Undefined error: 0

This does not match prescribed POSIX behavior, but it is what it is.

* test-suite/tests/filesys.test (skip-on-darwin): New procedure.
("mkdtemp")["invalid template"]: Skip on Darwin.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Tomas Volf 2024-08-10 00:54:31 +02:00 • committed by Ludovic Courtès
parent 0ceb0036c3
commit 8579b73aba
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5
test-suite/tests/filesys.test
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@ -34,6 +34,9 @@
(define (test-directory2)
(data-file-name "filesys-test-dir2.tmp"))
(define (skip-on-darwin)
(when (string-ci=? "darwin" (utsname:sysname (uname)))
(throw 'untested)))
;;;
;;; copy-file
@ -345,6 +348,8 @@
(= (string-length name) 8)))))
(pass-if-exception "invalid template" exception:system-error
;; MacOS accepts any template and just does no replacements.
(skip-on-darwin)
(if (not (defined? 'mkdtemp))
(throw 'unresolved)
(mkdtemp "T-AAAAAA")))