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

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• Hash : 32a72f45
  Author :
  Date : 2023-01-01T01:14:21
  

  maint: run 'make update-copyright'
  

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• tests/test-astrxfrm.c

• /* Test of astrxfrm() function.
     Copyright (C) 2010-2023 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>, 2010.  */
  
  #include <config.h>
  
  #include "astrxfrm.h"
  
  #include <locale.h>
  #include <string.h>
  
  #include "macros.h"
  
  int
  main ()
  {
    const char input[] = "B\303\266se B\303\274bchen"; /* "Böse Bübchen" */
    char *expected_transform;
  
    setlocale (LC_ALL, "de_DE.UTF-8");
  
    /* Test resultbuf = NULL.  */
    {
      size_t length = 0;
      char *transform = astrxfrm (input, NULL, &length);
      ASSERT (transform != NULL);
      ASSERT (length == strlen (transform) + 1);
      expected_transform = transform;
    }
  
    /* Test resultbuf = NULL.  Initial value of length is ignored here.  */
    {
      size_t length = 100;
      char *transform = astrxfrm (input, NULL, &length);
      ASSERT (transform != NULL);
      ASSERT (strcmp (transform, expected_transform) == 0);
      ASSERT (length == strlen (transform) + 1);
      free (transform);
    }
  
    /* Test resultbuf != NULL with an initial length = 0.  */
    {
      char buf[1];
      size_t length = 0;
      char *transform;
      buf[0] = '@';
      transform = astrxfrm (input, buf, &length);
      ASSERT (transform != NULL);
      ASSERT (transform != buf);
      ASSERT (strcmp (transform, expected_transform) == 0);
      ASSERT (length == strlen (transform) + 1);
      ASSERT (buf[0] == '@');
      free (transform);
    }
  
    /* Test resultbuf != NULL with an initial length that is too small.  */
    {
      char buf[3];
      size_t length = sizeof (buf) - 1;
      char *transform;
      buf[sizeof (buf) - 1] = '@';
      transform = astrxfrm (input, buf, &length);
      ASSERT (transform != NULL);
      ASSERT (transform != buf);
      ASSERT (strcmp (transform, expected_transform) == 0);
      ASSERT (length == strlen (transform) + 1);
      ASSERT (buf[sizeof (buf) - 1] == '@');
      free (transform);
    }
  
    /* Test resultbuf != NULL with an initial length that is large enough.  */
    {
      char buf[200];
      size_t length = sizeof (buf) - 1;
      char *transform;
      buf[sizeof (buf) - 1] = '@';
      transform = astrxfrm (input, buf, &length);
      ASSERT (transform != NULL);
      ASSERT (transform == buf);
      ASSERT (strcmp (transform, expected_transform) == 0);
      ASSERT (length == strlen (transform) + 1);
      ASSERT (buf[sizeof (buf) - 1] == '@');
    }
  
    free (expected_transform);
  
    return 0;
  }
  

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