1  /* Test of xmemdup0() function.
       2     Copyright (C) 2008-2023 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, or (at your option)
       7     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 Eric Blake <ebb9@byu.net>, 2008.  */
      18  
      19  #include <config.h>
      20  
      21  #include "xmemdup0.h"
      22  
      23  #include <stdlib.h>
      24  #include <string.h>
      25  
      26  #include "macros.h"
      27  
      28  int
      29  main (int argc, char **argv)
      30  {
      31    char buffer[10] = { 'a', 'b', 'c', 'd', '\0',
      32                        'f', 'g', 'h', 'i', 'j'   };
      33  
      34    /* Empty string.  */
      35    {
      36      char *result = xmemdup0 (NULL, 0);
      37      ASSERT (result);
      38      ASSERT (!*result);
      39      free (result);
      40    }
      41    {
      42      char *result = xmemdup0 ("", 0);
      43      ASSERT (result);
      44      ASSERT (!*result);
      45      free (result);
      46    }
      47  
      48    /* Various buffer lengths.  */
      49    {
      50      char *result = xmemdup0 (buffer, 4);
      51      ASSERT (result);
      52      ASSERT (strcmp (result, buffer) == 0);
      53      free (result);
      54    }
      55    {
      56      char *result = xmemdup0 (buffer, 5);
      57      ASSERT (result);
      58      ASSERT (strcmp (result, buffer) == 0);
      59      ASSERT (result[5] == '\0');
      60      free (result);
      61    }
      62    {
      63      char *result = xmemdup0 (buffer, 9);
      64      ASSERT (result);
      65      ASSERT (memcmp (result, buffer, 9) == 0);
      66      ASSERT (result[9] == '\0');
      67      free (result);
      68    }
      69    {
      70      char *result = xmemdup0 (buffer, 10);
      71      ASSERT (result);
      72      ASSERT (memcmp (result, buffer, 10) == 0);
      73      ASSERT (result[10] == '\0');
      74      free (result);
      75    }
      76  
      77    return 0;
      78  }