/* Test of searching in a string.

   Copyright (C) 2007-2017 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* Written by Bruno Haible <bruno@clisp.org>, 2007.  */

#include <config.h>

#include <string.h>

#include <locale.h>

#include "macros.h"

int

main ()

{

  /* configure should already have checked that the locale is supported.  */

  if (setlocale (LC_ALL, "") == NULL)

    return 1;

  /* Tests with a character < 0x30.  */

  {

    const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */

    const char *result = mbsstr (input, " ");

    ASSERT (result == input + 4);

  }

  {

    const char input[] = "\312\276\300\375"; /* "示例" */

    const char *result = mbsstr (input, " ");

    ASSERT (result == NULL);

  }

  /* Tests with a character >= 0x30.  */

  {

    const char input[] = "\272\305123\324\313\320\320\241\243"; /* "号123运行。" */

    const char *result = mbsstr (input, "2");

    ASSERT (result == input + 3);

  }

  /* The following tests show how mbsstr() is different from strstr().  */

  {

    const char input[] = "\313\320\320\320"; /* "诵行" */

    const char *result = mbsstr (input, "\320\320"); /* "行" */

    ASSERT (result == input + 2);

  }

  {

    const char input[] = "\203\062\332\066123\324\313\320\320\241\243"; /* "씋123运行。" */

    const char *result = mbsstr (input, "2");

    ASSERT (result == input + 5);

  }

  {

    const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */

    const char *result = mbsstr (input, "\276\300"); /* "纠" */

    ASSERT (result == NULL);

  }

  {

    const char input[] = "\312\276\300\375 \312\276\300\375 \312\276\300\375"; /* "示例 示例 示例" */

    const char *result = mbsstr (input, "\375 "); /* invalid multibyte sequence */

    ASSERT (result == NULL);

  }

  return 0;

}