kc3-lang/gnulib/tests/test-mbs_endswith2.c

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• Hash : 96b8b15a
  Author :
  Date : 2025-01-04T15:19:46
  

  mbs_endswith: Fix abort in the case of incomplete characters.
  
  Reported by Paul Eggert.
  
  * lib/mbs_endswith.c: Don't include <stdlib.h>.
  (mbs_endswith): Instead of aborting, return false.
  * tests/test-mbs_endswith2.c (main): Test invalid and incomplete
  characters.
  

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• tests/test-mbs_endswith2.c

• /* Test of mbs_endswith() function.
     Copyright (C) 2025 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 <https://www.gnu.org/licenses/>.  */
  
  /* Written by Bruno Haible <bruno@clisp.org>, 2025.  */
  
  #include <config.h>
  
  #include <string.h>
  
  #include <locale.h>
  #include <stdlib.h>
  
  #include "macros.h"
  
  int
  main ()
  {
    /* configure should already have checked that the locale is supported.  */
    if (setlocale (LC_ALL, "") == NULL)
      return 1;
  
    ASSERT (mbs_endswith ("", ""));
    ASSERT (mbs_endswith ("abc", ""));
  
    ASSERT (!mbs_endswith ("", "c"));
    ASSERT (!mbs_endswith ("x", "c"));
    ASSERT (mbs_endswith ("c", "c"));
    ASSERT (mbs_endswith ("abc", "c"));
  
    ASSERT (!mbs_endswith ("", "xyz"));
    ASSERT (!mbs_endswith ("x", "xyz"));
    ASSERT (!mbs_endswith ("a", "xyz"));
    ASSERT (!mbs_endswith ("abc", "xyz"));
    ASSERT (mbs_endswith ("xyz", "xyz"));
    ASSERT (mbs_endswith ("yxxyz", "xyz"));
  
    ASSERT (mbs_endswith ("", ""));
    ASSERT (mbs_endswith ("\303\244\306\200\303\247", "")); /* "äƀç" */
  
    ASSERT (!mbs_endswith ("", "\303\247")); /* "ç" */
    ASSERT (!mbs_endswith ("\341\272\213", "\303\247")); /* "ẋ" "ç" */
    ASSERT (mbs_endswith ("\303\247", "\303\247")); /* "ç" "ç" */
    ASSERT (mbs_endswith ("\303\244\306\200\303\247", "\303\247")); /* "äƀç" "ç" */
  
    ASSERT (!mbs_endswith ("", "\341\272\213\303\277\341\272\221")); /* "ẋÿẑ" */
    ASSERT (!mbs_endswith ("\341\272\213", "\341\272\213\303\277\341\272\221")); /* "ẋ" "ẋÿẑ" */
    ASSERT (!mbs_endswith ("\303\244", "\341\272\213\303\277\341\272\221")); /* "ä" "ẋÿẑ" */
    ASSERT (!mbs_endswith ("\303\244\306\200\303\247", "\341\272\213\303\277\341\272\221")); /* "äƀç" "ẋÿẑ" */
    ASSERT (mbs_endswith ("\341\272\213\303\277\341\272\221", "\341\272\213\303\277\341\272\221")); /* "ẋÿẑ" "ẋÿẑ" */
    ASSERT (mbs_endswith ("\303\277\341\272\213\341\272\213\303\277\341\272\221", "\341\272\213\303\277\341\272\221")); /* "ÿẋẋÿẑ" "ẋÿẑ" */
  
    /* Test cases with invalid or incomplete characters.  */
  
    /* A valid character should not match an invalid character.  */
    ASSERT (!mbs_endswith ("\303\247", "\301\247"));
    ASSERT (!mbs_endswith ("\301\247", "\303\247"));
  
    /* A valid character should not match an incomplete character.  */
    ASSERT (!mbs_endswith ("\303\247", "\343\247"));
    ASSERT (!mbs_endswith ("\343\247", "\303\247"));
  
    /* An invalid character should not match an incomplete character.  */
    ASSERT (!mbs_endswith ("\301\247", "\343\247"));
    ASSERT (!mbs_endswith ("\343\247", "\301\247"));
  
    /* Two invalid characters should match only if they are identical.  */
    ASSERT (!mbs_endswith ("\301\246", "\301\247"));
    ASSERT (!mbs_endswith ("\301\247", "\301\246"));
    ASSERT (mbs_endswith ("\301\247", "\301\247"));
  
    /* Two incomplete characters should match only if they are identical.  */
    ASSERT (!mbs_endswith ("\343\246", "\343\247"));
    ASSERT (!mbs_endswith ("\343\247", "\343\246"));
    ASSERT (mbs_endswith ("\343\247", "\343\247"));
  
    return test_exit_status;
  }
  

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