tests/test-array_oset.c

   1 /* Test of ordered set data type implementation.
   2    Copyright (C) 2006-2019 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2007.
   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 "gl_array_oset.h"
  21
  22 #include <stdlib.h>
  23 #include <string.h>
  24
  25 #include "gl_xlist.h"
  26 #include "gl_array_list.h"
  27 #include "macros.h"
  28
  29 static const char *objects[30] =
  30   {
  31     "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o",
  32     "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "<", ">", "[", "]"
  33   };
  34
  35 #define RANDOM(n) (rand () % (n))
  36 #define RANDOM_OBJECT() objects[RANDOM (SIZEOF (objects))]
  37
  38 static void
  39 check_equals (gl_oset_t set1, gl_list_t set2)
  40 {
  41   size_t n = gl_oset_size (set1);
  42   gl_oset_iterator_t iter1;
  43   gl_list_iterator_t iter2;
  44   const void *elt1;
  45   const void *elt2;
  46   gl_list_node_t node2;
  47   size_t i;
  48
  49   iter1 = gl_oset_iterator (set1);
  50   iter2 = gl_list_iterator (set2);
  51   for (i = 0; i < n; i++)
  52     {
  53       ASSERT (gl_oset_iterator_next (&iter1, &elt1));
  54       ASSERT (gl_list_iterator_next (&iter2, &elt2, &node2));
  55       ASSERT (elt1 == elt2);
  56     }
  57   ASSERT (!gl_oset_iterator_next (&iter1, &elt1));
  58   ASSERT (!gl_list_iterator_next (&iter2, &elt2, &node2));
  59   gl_oset_iterator_free (&iter1);
  60   gl_list_iterator_free (&iter2);
  61 }
  62
  63 static void
  64 check_all (gl_oset_t set1, gl_list_t set2)
  65 {
  66   check_equals (set1, set2);
  67 }
  68
  69 int
  70 main (int argc, char *argv[])
  71 {
  72   gl_oset_t set1;
  73   gl_list_t set2;
  74
  75   /* Allow the user to provide a non-default random seed on the command line.  */
  76   if (argc > 1)
  77     srand (atoi (argv[1]));
  78
  79   {
  80     size_t initial_size = RANDOM (20);
  81     size_t i;
  82     unsigned int repeat;
  83
  84     /* Create set1.  */
  85     set1 = gl_oset_nx_create_empty (GL_ARRAY_OSET, (gl_setelement_compar_fn) strcmp, NULL);
  86     ASSERT (set1 != NULL);
  87
  88     /* Create set2.  */
  89     set2 = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL, NULL, false);
  90
  91     check_all (set1, set2);
  92
  93     /* Initialize them.  */
  94     for (i = 0; i < initial_size; i++)
  95       {
  96         const char *obj = RANDOM_OBJECT ();
  97         ASSERT (gl_oset_nx_add (set1, obj)
  98                 == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL
  99                     ? false
 100                     : (gl_sortedlist_add (set2, (gl_listelement_compar_fn)strcmp, obj), true)));
 101         check_all (set1, set2);
 102       }
 103
 104     for (repeat = 0; repeat < 100000; repeat++)
 105       {
 106         unsigned int operation = RANDOM (3);
 107         switch (operation)
 108           {
 109           case 0:
 110             {
 111               const char *obj = RANDOM_OBJECT ();
 112               ASSERT (gl_oset_search (set1, obj)
 113                       == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL));
 114             }
 115             break;
 116           case 1:
 117             {
 118               const char *obj = RANDOM_OBJECT ();
 119               ASSERT (gl_oset_nx_add (set1, obj)
 120                       == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL
 121                           ? false
 122                           : (gl_sortedlist_add (set2, (gl_listelement_compar_fn)strcmp, obj), true)));
 123             }
 124             break;
 125           case 2:
 126             {
 127               const char *obj = RANDOM_OBJECT ();
 128               ASSERT (gl_oset_remove (set1, obj)
 129                       == gl_sortedlist_remove (set2, (gl_listelement_compar_fn)strcmp, obj));
 130             }
 131             break;
 132           }
 133         check_all (set1, set2);
 134       }
 135
 136     gl_oset_free (set1);
 137     gl_list_free (set2);
 138   }
 139
 140   return 0;
 141 }