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/* Bug 18589: sort-test.sh fails at random.
Copyright (C) 2015-2022 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <stdio.h>
#include <string.h>
#include <locale.h>
/* An incorrect strcoll optimization resulted in incorrect
results from strcoll for cs_CZ and da_DK. */
int
test_cs_CZ (void)
{
const char t1[] = "config";
const char t2[] = "choose";
if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
{
perror ("setlocale");
return 1;
}
/* In Czech the digraph ch sorts after c, therefore we expect
config to sort before choose. */
int a = strcoll (t1, t2);
int b = strcoll (t2, t1);
printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);
printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);
if (a < 0 && b > 0)
{
puts ("PASS: config < choose");
return 0;
}
else
{
puts ("FAIL: Wrong sorting in cs_CZ.UTF-8.");
return 1;
}
}
int
test_da_DK (void)
{
const char t1[] = "AS";
const char t2[] = "AA";
if (setlocale (LC_ALL, "da_DK.ISO-8859-1") == NULL)
{
perror ("setlocale");
return 1;
}
/* AA should be treated as the last letter of the Danish alphabet,
hence sorting after AS. */
int a = strcoll (t1, t2);
int b = strcoll (t2, t1);
printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);
printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);
if (a < 0 && b > 0)
{
puts ("PASS: AS < AA");
return 0;
}
else
{
puts ("FAIL: Wrong sorting in da_DK.ISO-8859-1");
return 1;
}
}
int
do_test (void)
{
int err = 0;
err |= test_cs_CZ ();
err |= test_da_DK ();
return err;
}
#include <support/test-driver.c>
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