--- /dev/null
+/* Test of set data type implementation.
+ Copyright (C) 2006-2018 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_array_set.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "gl_xoset.h"
+#include "gl_array_oset.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 void
+check_equals (gl_set_t set1, gl_oset_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_oset_iterator_t iter2;
+ const void *elt1;
+ const void *elt2;
+ size_t i;
+
+ iter1 = gl_set_iterator (set1);
+ iter2 = gl_oset_iterator (set2);
+ for (i = 0; i < n; i++)
+ {
+ ASSERT (gl_set_iterator_next (&iter1, &elt1));
+ ASSERT (gl_oset_iterator_next (&iter2, &elt2));
+ elements_of_set1[i] = elt1;
+ elements_of_set2[i] = elt2;
+ }
+ ASSERT (!gl_set_iterator_next (&iter1, &elt1));
+ ASSERT (!gl_oset_iterator_next (&iter2, &elt2));
+ gl_set_iterator_free (&iter1);
+ gl_oset_iterator_free (&iter2);
+
+ if (n > 0)
+ {
+ qsort (elements_of_set1, n, sizeof (const void *),
+ (int (*) (const void *, const void *)) strcmp);
+ qsort (elements_of_set2, n, sizeof (const void *),
+ (int (*) (const void *, const void *)) strcmp);
+ }
+ 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_oset_t set2)
+{
+ check_equals (set1, set2);
+}
+
+int
+main (int argc, char *argv[])
+{
+ gl_set_t set1;
+ gl_oset_t 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, NULL, NULL, NULL);
+ ASSERT (set1 != NULL);
+
+ /* Create set2. */
+ set2 = gl_oset_create_empty (GL_ARRAY_OSET, (gl_setelement_compar_fn) strcmp, 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_oset_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_oset_search (set2, obj));
+ }
+ break;
+ case 1:
+ {
+ const char *obj = RANDOM_OBJECT ();
+ ASSERT (gl_set_nx_add (set1, obj) == gl_oset_add (set2, obj));
+ }
+ break;
+ case 2:
+ {
+ const char *obj = RANDOM_OBJECT ();
+ ASSERT (gl_set_remove (set1, obj) == gl_oset_remove (set2, obj));
+ }
+ break;
+ }
+ check_all (set1, set2);
+ }
+
+ gl_set_free (set1);
+ gl_oset_free (set2);
+ }
+
+ return 0;
+}