1  /*
       2   * Copyright (C) 2008-2023 Free Software Foundation, Inc.
       3   * Written by Simon Josefsson and Bruno Haible
       4   *
       5   * This program is free software: you can redistribute it and/or modify
       6   * it under the terms of the GNU General Public License as published by
       7   * the Free Software Foundation, either version 3 of the License, or
       8   * (at your option) any later version.
       9   *
      10   * This program is distributed in the hope that it will be useful,
      11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13   * GNU General Public License for more details.
      14   *
      15   * You should have received a copy of the GNU General Public License
      16   * along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
      17  
      18  #include <config.h>
      19  
      20  #include "memcoll.h"
      21  
      22  #include <string.h>
      23  
      24  #include "macros.h"
      25  
      26  int
      27  main (void)
      28  {
      29    /* Test equal / not equal distinction.  */
      30    ASSERT (memcoll0 ("", 1, "", 1) == 0);
      31    ASSERT (memcoll0 ("fo", 3, "fo", 3) == 0);
      32    ASSERT (memcoll0 ("foo", 4, "foo", 4) == 0);
      33    ASSERT (memcoll0 ("foo\0", 5, "foob", 5) != 0);
      34    ASSERT (memcoll0 ("f", 2, "b", 2) != 0);
      35    ASSERT (memcoll0 ("foo", 4, "bar", 4) != 0);
      36  
      37    /* Test less / equal / greater distinction.  */
      38    ASSERT (memcoll0 ("foo\0", 5, "moo\0", 5) < 0);
      39    ASSERT (memcoll0 ("moo\0", 5, "foo\0", 5) > 0);
      40    ASSERT (memcoll0 ("oom", 4, "oop", 4) < 0);
      41    ASSERT (memcoll0 ("oop", 4, "oom", 4) > 0);
      42    ASSERT (memcoll0 ("foo\0", 5, "foob", 5) < 0);
      43    ASSERT (memcoll0 ("foob", 5, "foo\0", 5) > 0);
      44  
      45    /* Test embedded NULs.  */
      46    ASSERT (memcoll0 ("1\0", 3, "2\0", 3) < 0);
      47    ASSERT (memcoll0 ("2\0", 3, "1\0", 3) > 0);
      48    ASSERT (memcoll0 ("x\0""1", 4, "x\0""2", 4) < 0);
      49    ASSERT (memcoll0 ("x\0""2", 4, "x\0""1", 4) > 0);
      50  
      51    return 0;
      52  }