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/* Test of set data type implementation.
Copyright (C) 2006-2020 Free Software Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2018.
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 <https://www.gnu.org/licenses/>. */
#include <config.h>
#include "gl_linkedhash_set.h"
#include <stdlib.h>
#include <string.h>
#include "gl_array_set.h"
#include "xalloc.h"
#include "macros.h"
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 int
cmp_objects_in_array (const void *objptr1, const void *objptr2)
{
const void *obj1 = *(const void * const *)objptr1;
const void *obj2 = *(const void * const *)objptr2;
return strcmp ((const char *) obj1, (const char *) obj2);
}
static void
check_equals (gl_set_t set1, gl_set_t set2)
{
size_t n = gl_set_size (set1);
const void **elements_of_set1 = XNMALLOC (n, const void *);
const void **elements_of_set2 = XNMALLOC (n, const void *);
gl_set_iterator_t iter1;
gl_set_iterator_t iter2;
const void *elt1;
const void *elt2;
size_t i;
iter1 = gl_set_iterator (set1);
iter2 = gl_set_iterator (set2);
for (i = 0; i < n; i++)
{
ASSERT (gl_set_iterator_next (&iter1, &elt1));
ASSERT (gl_set_iterator_next (&iter2, &elt2));
elements_of_set1[i] = elt1;
elements_of_set2[i] = elt2;
}
ASSERT (!gl_set_iterator_next (&iter1, &elt1));
ASSERT (!gl_set_iterator_next (&iter2, &elt2));
gl_set_iterator_free (&iter1);
gl_set_iterator_free (&iter2);
if (n > 0)
{
qsort (elements_of_set1, n, sizeof (const void *), cmp_objects_in_array);
qsort (elements_of_set2, n, sizeof (const void *), cmp_objects_in_array);
}
for (i = 0; i < n; i++)
ASSERT (elements_of_set1[i] == elements_of_set2[i]);
free (elements_of_set2);
free (elements_of_set1);
}
static void
check_all (gl_set_t set1, gl_set_t set2)
{
check_equals (set1, set2);
}
static bool
string_equals (const void *elt1, const void *elt2)
{
return strcmp ((const char *) elt1, (const char *) elt2) == 0;
}
static size_t
string_hashcode (const void *elt)
{
size_t hashcode = 0;
const char *s;
for (s = (const char *) elt; *s != '\0'; s++)
hashcode += (unsigned char) *s;
return hashcode;
}
int
main (int argc, char *argv[])
{
gl_set_t set1, set2;
/* 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_set_nx_create_empty (GL_ARRAY_SET, string_equals, string_hashcode, NULL);
ASSERT (set1 != NULL);
/* Create set2. */
set2 = gl_set_nx_create_empty (GL_LINKEDHASH_SET, string_equals, string_hashcode, NULL);
ASSERT (set2 != NULL);
check_all (set1, set2);
/* Initialize them. */
for (i = 0; i < initial_size; i++)
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_set_nx_add (set1, obj) == gl_set_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_set_search (set1, obj) == gl_set_search (set2, obj));
}
break;
case 1:
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_set_nx_add (set1, obj) == gl_set_nx_add (set2, obj));
}
break;
case 2:
{
const char *obj = RANDOM_OBJECT ();
ASSERT (gl_set_remove (set1, obj) == gl_set_remove (set2, obj));
}
break;
}
check_all (set1, set2);
}
gl_set_free (set1);
gl_set_free (set2);
}
return 0;
}
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