string: Add a testcase for wcsncmp with SIZE_MAX [BZ #28755]

Verify that wcsncmp (L("abc"), L("abd"), SIZE_MAX) == 0.  The new test
fails without

commit ddf0992cf5
Author: Noah Goldstein <goldstein.w.n@gmail.com>
Date:   Sun Jan 9 16:02:21 2022 -0600

    x86: Fix __wcsncmp_avx2 in strcmp-avx2.S [BZ# 28755]

and

commit 7e08db3359
Author: Noah Goldstein <goldstein.w.n@gmail.com>
Date:   Sun Jan 9 16:02:28 2022 -0600

    x86: Fix __wcsncmp_evex in strcmp-evex.S [BZ# 28755]

This is for BZ #28755.

Reviewed-by: Sunil K Pandey <skpgkp2@gmail.com>

(cherry picked from commit aa5a720056)
This commit is contained in:
H.J. Lu 2022-02-17 08:10:35 -08:00
parent c6b346ec55
commit 775c05b28c

View File

@ -403,6 +403,18 @@ check2 (void)
free (s2); free (s2);
} }
static void
check3 (void)
{
const CHAR *s1 = L ("abc");
CHAR *s2 = STRDUP (s1);
FOR_EACH_IMPL (impl, 0)
check_result (impl, s1, s2, SIZE_MAX, 0);
free (s2);
}
int int
test_main (void) test_main (void)
{ {
@ -412,6 +424,7 @@ test_main (void)
check1 (); check1 ();
check2 (); check2 ();
check3 ();
printf ("%23s", ""); printf ("%23s", "");
FOR_EACH_IMPL (impl, 0) FOR_EACH_IMPL (impl, 0)