mirror of
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118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
/* Test of case-insensitive string comparison function.
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Copyright (C) 2007-2026 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Bruno Haible <bruno@clisp.org>, 2007. */
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#include <config.h>
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#include <string.h>
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#include <locale.h>
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#include "macros.h"
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static void
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test_ascii (void)
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{
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ASSERT (mbsncasecmp (NULL, NULL, 0) == 0);
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ASSERT (mbsncasecmp ("x", NULL, 0) == 0);
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ASSERT (mbsncasecmp (NULL, "x", 0) == 0);
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ASSERT (mbsncasecmp ("paragraph", "Paragraph", 1000000) == 0);
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ASSERT (mbsncasecmp ("paragraph", "Paragraph", 9) == 0);
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ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 1000000) == 0);
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ASSERT (mbsncasecmp ("paragrapH", "parAgRaph", 9) == 0);
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ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 10) < 0);
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ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 9) < 0);
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ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 5) < 0);
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ASSERT (mbsncasecmp ("paragraph", "paraLyzed", 4) == 0);
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ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 10) > 0);
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ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 9) > 0);
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ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 5) > 0);
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ASSERT (mbsncasecmp ("paraLyzed", "paragraph", 4) == 0);
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ASSERT (mbsncasecmp ("para", "paragraph", 10) < 0);
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ASSERT (mbsncasecmp ("para", "paragraph", 9) < 0);
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ASSERT (mbsncasecmp ("para", "paragraph", 5) < 0);
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ASSERT (mbsncasecmp ("para", "paragraph", 4) == 0);
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ASSERT (mbsncasecmp ("paragraph", "para", 10) > 0);
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ASSERT (mbsncasecmp ("paragraph", "para", 9) > 0);
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ASSERT (mbsncasecmp ("paragraph", "para", 5) > 0);
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ASSERT (mbsncasecmp ("paragraph", "para", 4) == 0);
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}
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static void
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test_utf_8 (bool turkish)
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{
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/* The following tests shows how mbsncasecmp() is different from
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strncasecmp(). */
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if (turkish)
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{
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ASSERT (mbsncasecmp ("\303\266zg\303\274r", "\303\226ZG\303\234R", 99) == 0); /* özgür */
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ASSERT (mbsncasecmp ("\303\226ZG\303\234R", "\303\266zg\303\274r", 99) == 0); /* özgür */
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/* This test shows how strings of different size can compare equal. */
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ASSERT (mbsncasecmp ("turkish", "TURK\304\260SH", 7) == 0);
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ASSERT (mbsncasecmp ("TURK\304\260SH", "turkish", 7) == 0);
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}
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/* Incomplete characters. See
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https://www.unicode.org/versions/Unicode15.0.0/ch03.pdf
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page 128 table 3-11. */
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/* "\341\200\240" = 0xE1 0x80 0xA0 = U+1020. */
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ASSERT (mbsncasecmp ("\341\200", "\341\200", 99) == 0);
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ASSERT (mbsncasecmp ("\341\200X", "\341\200x", 99) == 0);
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ASSERT (mbsncasecmp ("\341", "\341", 99) == 0);
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ASSERT (mbsncasecmp ("\341X", "\341x", 99) == 0);
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/* "\360\221\222\240" = 0xF0 0x91 0x92 0xA0 = U+114A0. */
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ASSERT (mbsncasecmp ("\360\221\222", "\360\221\222", 99) == 0);
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ASSERT (mbsncasecmp ("\360\221\222X", "\360\221\222x", 99) == 0);
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ASSERT (mbsncasecmp ("\360\221", "\360\221", 99) == 0);
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ASSERT (mbsncasecmp ("\360\221X", "\360\221x", 99) == 0);
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ASSERT (mbsncasecmp ("\360", "\360", 99) == 0);
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ASSERT (mbsncasecmp ("\360X", "\360x", 99) == 0);
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}
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int
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main (int argc, char *argv[])
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{
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/* configure should already have checked that the locale is supported. */
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if (setlocale (LC_ALL, "") == NULL)
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return 1;
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test_ascii ();
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if (argc > 1)
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switch (argv[1][0])
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{
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case '3':
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/* Locale encoding is UTF-8, locale is not Turkish. */
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test_utf_8 (false);
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return test_exit_status;
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case '4':
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/* Locale encoding is UTF-8, locale is Turkish. */
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test_utf_8 (true);
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return test_exit_status;
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}
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return 1;
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}
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