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/* Test of ordered set data type implementation.
Copyright (C) 2006-2014 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2006.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include <config.h>
#include "gl_rbtree_oset.h"
#include <stdlib.h>
#include <string.h>
#include "gl_array_oset.h"
#include "progname.h"
#include "macros.h"
extern void gl_rbtree_oset_check_invariants (gl_oset_t set);
static const char *objects[30] =
{
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o",
"p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z", "<", ">", "[", "]"
};
#define RANDOM(n) (rand () % (n))
#define RANDOM_OBJECT() objects[RANDOM (SIZEOF (objects))]
static void
check_equals (gl_oset_t set1, gl_oset_t set2)
{
size_t n = gl_oset_size (set1);
gl_oset_iterator_t iter1, iter2;
const void *elt1;
const void *elt2;
size_t i;
iter1 = gl_oset_iterator (set1);
iter2 = gl_oset_iterator (set2);
for (i = 0; i < n; i++)
{
ASSERT (gl_oset_iterator_next (&iter1, &elt1));
ASSERT (gl_oset_iterator_next (&iter2, &elt2));
ASSERT (elt1 == elt2);
}
ASSERT (!gl_oset_iterator_next (&iter1, &elt1));
ASSERT (!gl_oset_iterator_next (&iter2, &elt2));
gl_oset_iterator_free (&iter1);
gl_oset_iterator_free (&iter2);
}
static void
check_all (gl_oset_t set1, gl_oset_t set2)
{
gl_rbtree_oset_check_invariants (set2);
check_equals (set1, set2);
}
int
main (int argc, char *argv[])
{
gl_oset_t set1, set2;
set_program_name (argv[0]);
/* Allow the user to provide a non-default random seed on the command line. */
if (argc > 1)
srand (atoi (argv[1]));
{
size_t initial_size = RANDOM (20);
size_t i;
unsigned int repeat;
/* Create set1. */
set1 = gl_oset_nx_create_empty (GL_ARRAY_OSET, (gl_setelement_compar_fn) strcmp, NULL);
ASSERT (set1 != NULL);
/* Create set2. */
set2 = gl_oset_nx_create_empty (GL_RBTREE_OSET, (gl_setelement_compar_fn) strcmp, NULL);
ASSERT (set2 != NULL);
check_all (set1, set2);
/* Initialize them. */
for (i = 0; i < initial_size; i++)
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_oset_nx_add (set1, obj) == gl_oset_nx_add (set2, obj));
check_all (set1, set2);
}
for (repeat = 0; repeat < 100000; repeat++)
{
unsigned int operation = RANDOM (3);
switch (operation)
{
case 0:
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_oset_search (set1, obj) == gl_oset_search (set2, obj));
}
break;
case 1:
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_oset_nx_add (set1, obj) == gl_oset_nx_add (set2, obj));
}
break;
case 2:
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_oset_remove (set1, obj) == gl_oset_remove (set2, obj));
}
break;
}
check_all (set1, set2);
}
gl_oset_free (set1);
gl_oset_free (set2);
}
return 0;
}
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