tests/test-memcoll.c

   1 /*
   2  * Copyright (C) 2008-2019 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 }