1 /* Bug 18589: sort-test.sh fails at random.
2 Copyright (C) 2015-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19 #include <stdio.h>
20 #include <string.h>
21 #include <locale.h>
22
23 /* An incorrect strcoll optimization resulted in incorrect
24 results from strcoll for cs_CZ and da_DK. */
25
26 int
test_cs_CZ(void)27 test_cs_CZ (void)
28 {
29 const char t1[] = "config";
30 const char t2[] = "choose";
31 if (setlocale (LC_ALL, "cs_CZ.UTF-8") == NULL)
32 {
33 perror ("setlocale");
34 return 1;
35 }
36 /* In Czech the digraph ch sorts after c, therefore we expect
37 config to sort before choose. */
38 int a = strcoll (t1, t2);
39 int b = strcoll (t2, t1);
40 printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);
41 printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);
42 if (a < 0 && b > 0)
43 {
44 puts ("PASS: config < choose");
45 return 0;
46 }
47 else
48 {
49 puts ("FAIL: Wrong sorting in cs_CZ.UTF-8.");
50 return 1;
51 }
52 }
53
54 int
test_da_DK(void)55 test_da_DK (void)
56 {
57 const char t1[] = "AS";
58 const char t2[] = "AA";
59 if (setlocale (LC_ALL, "da_DK.ISO-8859-1") == NULL)
60 {
61 perror ("setlocale");
62 return 1;
63 }
64 /* AA should be treated as the last letter of the Danish alphabet,
65 hence sorting after AS. */
66 int a = strcoll (t1, t2);
67 int b = strcoll (t2, t1);
68 printf ("strcoll (\"%s\", \"%s\") = %d\n", t1, t2, a);
69 printf ("strcoll (\"%s\", \"%s\") = %d\n", t2, t1, b);
70 if (a < 0 && b > 0)
71 {
72 puts ("PASS: AS < AA");
73 return 0;
74 }
75 else
76 {
77 puts ("FAIL: Wrong sorting in da_DK.ISO-8859-1");
78 return 1;
79 }
80 }
81
82 int
do_test(void)83 do_test (void)
84 {
85 int err = 0;
86 err |= test_cs_CZ ();
87 err |= test_da_DK ();
88 return err;
89 }
90
91 #include <support/test-driver.c>
92