tests/test-mbscasestr3.c

   1 /* Test of case-insensitive searching in a string.
   2    Copyright (C) 2007-2024 Free Software Foundation, Inc.
   3
   4    This program is free software: you can redistribute it and/or modify
   5    it under the terms of the GNU General Public License as published by
   6    the Free Software Foundation, either version 3 of the License, or
   7    (at your option) any later version.
   8
   9    This program is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12    GNU General Public License for more details.
  13
  14    You should have received a copy of the GNU General Public License
  15    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  16
  17 /* Written by Bruno Haible <bruno@clisp.org>, 2007.  */
  18
  19 #include <config.h>
  20
  21 #include <string.h>
  22
  23 #include <locale.h>
  24
  25 #include "macros.h"
  26
  27 int
  28 main ()
  29 {
  30   /* configure should already have checked that the locale is supported.  */
  31   if (setlocale (LC_ALL, "") == NULL)
  32     return 1;
  33
  34   /* Tests with a character < 0x30.  */
  35   {
  36     const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
  37     const char *result = mbscasestr (input, " ");
  38     ASSERT (result == input + 4);
  39   }
  40
  41   {
  42     const char input[] = "\312\276\300\375"; /* "示例" */
  43     const char *result = mbscasestr (input, " ");
  44     ASSERT (result == NULL);
  45   }
  46
  47   /* Tests with a character >= 0x30.  */
  48   {
  49     const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */
  50     const char *result = mbscasestr (input, "2");
  51     ASSERT (result == input + 3);
  52   }
  53
  54   /* The following tests show how mbscasestr() is different from
  55      strcasestr().  */
  56
  57   {
  58     const char input[] = "\313\320\320\320"; /* "诵行" */
  59     const char *result = mbscasestr (input, "\320\320"); /* "行" */
  60     ASSERT (result == input + 2);
  61   }
  62
  63   {
  64     const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */
  65     const char *result = mbscasestr (input, "2");
  66     ASSERT (result == input + 5);
  67   }
  68
  69   {
  70     const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
  71     const char *result = mbscasestr (input, "\276\300"); /* "纠" */
  72     ASSERT (result == NULL);
  73   }
  74
  75   {
  76     const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */
  77     const char *result = mbscasestr (input, "\375 "); /* invalid multibyte sequence */
  78     ASSERT (result == NULL);
  79   }
  80
  81   return test_exit_status;
  82 }