tests/test-array_oset.c

   1 /* Test of ordered set data type implementation.
   2    Copyright (C) 2006-2012 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 <http://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 "progname.h"
  28 #include "macros.h"
  29
  30 static const char *objects[30] =
  31   {
  32     "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o",
  33     "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "<", ">", "[", "]"
  34   };
  35
  36 #define RANDOM(n) (rand () % (n))
  37 #define RANDOM_OBJECT() objects[RANDOM (SIZEOF (objects))]
  38
  39 static void
  40 check_equals (gl_oset_t set1, gl_list_t set2)
  41 {
  42   size_t n = gl_oset_size (set1);
  43   gl_oset_iterator_t iter1;
  44   gl_list_iterator_t iter2;
  45   const void *elt1;
  46   const void *elt2;
  47   gl_list_node_t node2;
  48   size_t i;
  49
  50   iter1 = gl_oset_iterator (set1);
  51   iter2 = gl_list_iterator (set2);
  52   for (i = 0; i < n; i++)
  53     {
  54       ASSERT (gl_oset_iterator_next (&iter1, &elt1));
  55       ASSERT (gl_list_iterator_next (&iter2, &elt2, &node2));
  56       ASSERT (elt1 == elt2);
  57     }
  58   ASSERT (!gl_oset_iterator_next (&iter1, &elt1));
  59   ASSERT (!gl_list_iterator_next (&iter2, &elt2, &node2));
  60   gl_oset_iterator_free (&iter1);
  61   gl_list_iterator_free (&iter2);
  62 }
  63
  64 static void
  65 check_all (gl_oset_t set1, gl_list_t set2)
  66 {
  67   check_equals (set1, set2);
  68 }
  69
  70 int
  71 main (int argc, char *argv[])
  72 {
  73   gl_oset_t set1;
  74   gl_list_t set2;
  75
  76   set_program_name (argv[0]);
  77
  78   /* Allow the user to provide a non-default random seed on the command line.  */
  79   if (argc > 1)
  80     srand (atoi (argv[1]));
  81
  82   {
  83     size_t initial_size = RANDOM (20);
  84     size_t i;
  85     unsigned int repeat;
  86
  87     /* Create set1.  */
  88     set1 = gl_oset_nx_create_empty (GL_ARRAY_OSET, (gl_setelement_compar_fn) strcmp, NULL);
  89     ASSERT (set1 != NULL);
  90
  91     /* Create set2.  */
  92     set2 = gl_list_create_empty (GL_ARRAY_LIST, NULL, NULL, NULL, false);
  93
  94     check_all (set1, set2);
  95
  96     /* Initialize them.  */
  97     for (i = 0; i < initial_size; i++)
  98       {
  99         const char *obj = RANDOM_OBJECT ();
 100         ASSERT (gl_oset_nx_add (set1, obj)
 101                 == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL
 102                     ? false
 103                     : (gl_sortedlist_add (set2, (gl_listelement_compar_fn)strcmp, obj), true)));
 104         check_all (set1, set2);
 105       }
 106
 107     for (repeat = 0; repeat < 100000; repeat++)
 108       {
 109         unsigned int operation = RANDOM (3);
 110         switch (operation)
 111           {
 112           case 0:
 113             {
 114               const char *obj = RANDOM_OBJECT ();
 115               ASSERT (gl_oset_search (set1, obj)
 116                       == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL));
 117             }
 118             break;
 119           case 1:
 120             {
 121               const char *obj = RANDOM_OBJECT ();
 122               ASSERT (gl_oset_nx_add (set1, obj)
 123                       == (gl_sortedlist_search (set2, (gl_listelement_compar_fn)strcmp, obj) != NULL
 124                           ? false
 125                           : (gl_sortedlist_add (set2, (gl_listelement_compar_fn)strcmp, obj), true)));
 126             }
 127             break;
 128           case 2:
 129             {
 130               const char *obj = RANDOM_OBJECT ();
 131               ASSERT (gl_oset_remove (set1, obj)
 132                       == gl_sortedlist_remove (set2, (gl_listelement_compar_fn)strcmp, obj));
 133             }
 134             break;
 135           }
 136         check_all (set1, set2);
 137       }
 138
 139     gl_oset_free (set1);
 140     gl_list_free (set2);
 141   }
 142
 143   return 0;
 144 }