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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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445 lines
10 KiB
C
445 lines
10 KiB
C
/* GStreamer
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* Copyright (C) 2005 Andy Wingo <wingo@pobox.com>
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*
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* gstiterator.c: Unit test for iterators
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <gst/check/gstcheck.h>
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static GList *
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make_list_of_ints (gint n)
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{
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GList *ret = NULL;
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gint i;
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for (i = 0; i < n; i++)
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ret = g_list_prepend (ret, GINT_TO_POINTER (i));
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return g_list_reverse (ret);
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}
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#define NUM_ELEMENTS 10
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GST_START_TEST (test_manual_iteration)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter;
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GstIteratorResult res;
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GValue item = { 0, };
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gint i = 0;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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while (1) {
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res = gst_iterator_next (iter, &item);
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if (i < NUM_ELEMENTS) {
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fail_unless (res == GST_ITERATOR_OK);
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fail_unless (GPOINTER_TO_INT (g_value_get_pointer (&item)) == i);
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g_value_reset (&item);
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i++;
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continue;
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} else {
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fail_unless (res == GST_ITERATOR_DONE);
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break;
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}
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}
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/* clean up */
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g_value_unset (&item);
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gst_iterator_free (iter);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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GST_START_TEST (test_resync)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter;
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GstIteratorResult res;
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GValue item = { 0, };
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gint i = 0;
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gboolean hacked_list = FALSE;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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while (1) {
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res = gst_iterator_next (iter, &item);
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if (i < NUM_ELEMENTS / 2) {
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fail_unless (res == GST_ITERATOR_OK);
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fail_unless (GPOINTER_TO_INT (g_value_get_pointer (&item)) == i);
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g_value_reset (&item);
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i++;
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continue;
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} else if (!hacked_list) {
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/* here's where we test resync */
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fail_unless (res == GST_ITERATOR_OK);
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g_value_reset (&item);
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l = g_list_prepend (l, GINT_TO_POINTER (-1));
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cookie++;
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hacked_list = TRUE;
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continue;
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} else {
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fail_unless (res == GST_ITERATOR_RESYNC);
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gst_iterator_resync (iter);
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res = gst_iterator_next (iter, &item);
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fail_unless (res == GST_ITERATOR_OK);
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fail_unless (GPOINTER_TO_INT (g_value_get_pointer (&item)) == -1);
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g_value_reset (&item);
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break;
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}
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}
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/* clean up */
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g_value_unset (&item);
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gst_iterator_free (iter);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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static gboolean
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add_fold_func (const GValue * item, GValue * ret, gpointer user_data)
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{
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g_value_set_int (ret,
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g_value_get_int (ret) + GPOINTER_TO_INT (g_value_get_pointer (item)));
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return TRUE;
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}
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GST_START_TEST (test_fold)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter;
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GstIteratorResult res;
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gint i, expected;
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GValue ret = { 0, };
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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expected = 0;
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for (i = 0; i < NUM_ELEMENTS; i++)
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expected += i;
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g_value_init (&ret, G_TYPE_INT);
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g_value_set_int (&ret, 0);
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res = gst_iterator_fold (iter, add_fold_func, &ret, NULL);
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fail_unless (res == GST_ITERATOR_DONE);
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fail_unless (g_value_get_int (&ret) == expected);
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/* clean up */
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gst_iterator_free (iter);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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GST_START_TEST (test_single)
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{
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GstIterator *it;
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GstStructure *s = gst_structure_new_empty ("test");
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GValue v = { 0, };
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GstStructure *i;
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g_value_init (&v, GST_TYPE_STRUCTURE);
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g_value_set_boxed (&v, s);
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it = gst_iterator_new_single (GST_TYPE_STRUCTURE, &v);
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g_value_reset (&v);
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fail_unless (gst_iterator_next (it, &v) == GST_ITERATOR_OK);
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i = g_value_get_boxed (&v);
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fail_unless (strcmp (gst_structure_get_name (s),
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gst_structure_get_name (i)) == 0);
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i = NULL;
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g_value_reset (&v);
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fail_unless (gst_iterator_next (it, &v) == GST_ITERATOR_DONE);
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fail_unless (g_value_get_boxed (&v) == NULL);
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gst_iterator_free (it);
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gst_structure_free (s);
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it = gst_iterator_new_single (GST_TYPE_STRUCTURE, NULL);
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fail_unless (gst_iterator_next (it, &v) == GST_ITERATOR_DONE);
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fail_unless (g_value_get_boxed (&v) == NULL);
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g_value_reset (&v);
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gst_iterator_free (it);
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}
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GST_END_TEST;
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static gint
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filter2_cb (gconstpointer a, gconstpointer b)
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{
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const GValue *va = a;
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gint ia;
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ia = GPOINTER_TO_INT (g_value_get_pointer (va));
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return ia % 2;
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}
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GST_START_TEST (test_filter)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter, *filter;
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GstIteratorResult res;
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GValue item = { 0, };
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gint expected = 0, value;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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filter = gst_iterator_filter (iter, filter2_cb, NULL);
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while (1) {
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res = gst_iterator_next (filter, &item);
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if (res == GST_ITERATOR_DONE)
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break;
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fail_unless (res == GST_ITERATOR_OK);
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value = GPOINTER_TO_INT (g_value_get_pointer (&item));
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fail_unless_equals_int (value, expected);
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expected += 2;
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}
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/* clean up */
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g_value_unset (&item);
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gst_iterator_free (filter);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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static gint
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filter2_lock_cb (gconstpointer a, gconstpointer b)
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{
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const GValue *va = a;
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const GValue *vb = b;
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gint ia;
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GMutex *m;
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ia = GPOINTER_TO_INT (g_value_get_pointer (va));
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m = g_value_get_pointer (vb);
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g_mutex_lock (m);
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g_mutex_unlock (m);
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return ia % 2;
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}
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GST_START_TEST (test_filter_locking)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter, *filter;
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GstIteratorResult res;
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GValue item = { 0, };
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GValue user_data = { 0, };
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gint expected = 0, value;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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g_value_init (&user_data, G_TYPE_POINTER);
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g_value_set_pointer (&user_data, &m);
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filter = gst_iterator_filter (iter, filter2_lock_cb, &user_data);
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while (1) {
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res = gst_iterator_next (filter, &item);
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if (res == GST_ITERATOR_DONE)
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break;
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fail_unless (res == GST_ITERATOR_OK);
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value = GPOINTER_TO_INT (g_value_get_pointer (&item));
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fail_unless_equals_int (value, expected);
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expected += 2;
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}
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/* clean up */
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g_value_unset (&item);
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g_value_unset (&user_data);
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gst_iterator_free (filter);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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static gint
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filter4_cb (gconstpointer a, gconstpointer b)
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{
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const GValue *va = a;
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gint ia;
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ia = GPOINTER_TO_INT (g_value_get_pointer (va));
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return ia % 4;
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}
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GST_START_TEST (test_filter_of_filter)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter, *filter, *filter2;
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GstIteratorResult res;
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GValue item = { 0, };
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gint expected = 0, value;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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filter = gst_iterator_filter (iter, filter2_cb, NULL);
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filter2 = gst_iterator_filter (filter, filter4_cb, NULL);
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while (1) {
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res = gst_iterator_next (filter2, &item);
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if (res == GST_ITERATOR_DONE)
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break;
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fail_unless (res == GST_ITERATOR_OK);
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value = GPOINTER_TO_INT (g_value_get_pointer (&item));
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fail_unless_equals_int (value, expected);
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expected += 4;
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}
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/* clean up */
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g_value_unset (&item);
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gst_iterator_free (filter2);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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static gint
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filter4_lock_cb (gconstpointer a, gconstpointer b)
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{
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const GValue *va = a;
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const GValue *vb = b;
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gint ia;
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GMutex *m;
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ia = GPOINTER_TO_INT (g_value_get_pointer (va));
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m = g_value_get_pointer (vb);
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g_mutex_lock (m);
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g_mutex_unlock (m);
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return ia % 4;
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}
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GST_START_TEST (test_filter_of_filter_locking)
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{
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GList *l;
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guint32 cookie = 0;
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GMutex m;
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GstIterator *iter, *filter, *filter2;
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GstIteratorResult res;
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GValue item = { 0, };
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GValue user_data = { 0, };
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gint expected = 0, value;
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l = make_list_of_ints (NUM_ELEMENTS);
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g_mutex_init (&m);
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iter = gst_iterator_new_list (G_TYPE_POINTER, &m, &cookie, &l, NULL, NULL);
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fail_unless (iter != NULL);
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g_value_init (&user_data, G_TYPE_POINTER);
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g_value_set_pointer (&user_data, &m);
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filter = gst_iterator_filter (iter, filter2_lock_cb, &user_data);
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filter2 = gst_iterator_filter (filter, filter4_lock_cb, &user_data);
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while (1) {
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res = gst_iterator_next (filter2, &item);
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if (res == GST_ITERATOR_DONE)
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break;
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fail_unless (res == GST_ITERATOR_OK);
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value = GPOINTER_TO_INT (g_value_get_pointer (&item));
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fail_unless_equals_int (value, expected);
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expected += 4;
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}
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/* clean up */
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g_value_unset (&item);
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g_value_unset (&user_data);
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gst_iterator_free (filter2);
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g_mutex_clear (&m);
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g_list_free (l);
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}
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GST_END_TEST;
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static Suite *
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gst_iterator_suite (void)
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{
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Suite *s = suite_create ("GstIterator");
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TCase *tc_chain = tcase_create ("correctness");
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tcase_set_timeout (tc_chain, 0);
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_manual_iteration);
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tcase_add_test (tc_chain, test_resync);
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tcase_add_test (tc_chain, test_fold);
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tcase_add_test (tc_chain, test_single);
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tcase_add_test (tc_chain, test_filter);
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tcase_add_test (tc_chain, test_filter_locking);
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tcase_add_test (tc_chain, test_filter_of_filter);
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tcase_add_test (tc_chain, test_filter_of_filter_locking);
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return s;
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}
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GST_CHECK_MAIN (gst_iterator);
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