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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
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8f8da12228
Original commit message from CVS: move common code to a lib
365 lines
9.5 KiB
C
365 lines
9.5 KiB
C
/* GStreamer
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*
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* unit test for GstObject
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*
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* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
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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., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#include "../gstcheck.h"
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/*
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Create a fake subclass
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*/
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typedef struct _GstFakeObjectClass GstFakeObjectClass;
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typedef struct _GstFakeObject GstFakeObject;
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struct _GstFakeObject
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{
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GstObject object;
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};
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struct _GstFakeObjectClass
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{
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GstObjectClass parent_class;
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};
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GType _gst_fake_object_type = 0;
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//static GstObjectClass *parent_class = NULL;
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//static guint gst_fake_object_signals[LAST_SIGNAL] = { 0 };
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GType
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gst_fake_object_get_type (void)
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{
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if (!_gst_fake_object_type) {
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static const GTypeInfo fake_object_info = {
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sizeof (GstFakeObjectClass),
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NULL, //gst_fake_object_base_class_init,
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NULL, //gst_fake_object_base_class_finalize,
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NULL, //(GClassInitFunc) gst_fake_object_class_init,
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NULL,
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NULL,
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sizeof (GstFakeObject),
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0,
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NULL, //(GInstanceInitFunc) gst_fake_object_init,
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NULL
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};
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_gst_fake_object_type = g_type_register_static (GST_TYPE_OBJECT,
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"GstFakeObject", &fake_object_info, 0);
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}
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return _gst_fake_object_type;
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}
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/* g_object_new on abstract GstObject should fail */
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START_TEST (test_fail_abstract_new)
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{
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GstObject *object;
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object = g_object_new (gst_object_get_type (), NULL);
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/* this should assert and segfault, but we add fallbacks anyway */
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fail_unless (object == NULL, "Created an instance of abstract GstObject");
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}
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END_TEST
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/* g_object_new on GstFakeObject should succeed */
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START_TEST (test_fake_object_new)
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{
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GstObject *object;
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object = g_object_new (gst_fake_object_get_type (), NULL);
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fail_if (object == NULL, "Failed to create instance of GstFakeObject");
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fail_unless (GST_IS_OBJECT (object),
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"GstFakeObject instance is not a GstObject");
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}
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END_TEST
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/* GstFakeObject name tests */
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START_TEST (test_fake_object_name)
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{
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GstObject *object;
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gchar *name;
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gchar *name2;
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object = g_object_new (gst_fake_object_get_type (), NULL);
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name = gst_object_get_name (object);
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fail_if (name != NULL, "Newly created object has a name");
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/* give a random name by setting with NULL;
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* GstFakeObject class -> fakeobject%d */
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gst_object_set_name (object, NULL);
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name = gst_object_get_name (object);
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fail_if (name == NULL, "Random name was not assigned");
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fail_if (strncmp (name, "fakeobject", 10) != 0,
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"Random name %s does not start with Gst", name);
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g_free (name);
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gst_object_set_name (object, "fake");
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name = gst_object_get_name (object);
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fail_if (name == NULL, "Failed to get name of GstFakeObject");
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fail_if (strcmp (name, "fake") != 0, "Name of GstFakeObject is not 'fake'");
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/* change the gotten name to see that it's a copy and not the original */
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name[0] = 'm';
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name2 = gst_object_get_name (object);
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fail_if (strcmp (name2, "fake") != 0,
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"Copy of object name affected actual object name");
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g_free (name);
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g_free (name2);
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}
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END_TEST
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/* thread function for threaded name change test */
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gpointer thread_name_object (GstObject * object)
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{
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gchar *thread_id = g_strdup_printf ("%p", g_thread_self ());
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THREAD_START ();
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/* give main thread a head start */
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g_usleep (100000);
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/* write our name repeatedly */
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g_message ("THREAD %s: starting loop\n", thread_id);
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while (THREAD_TEST_RUNNING ()) {
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gst_object_set_name (object, thread_id);
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/* a minimal sleep invokes a thread switch */
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g_usleep (1);
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}
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/* thread is done, so let's return */
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g_message ("THREAD %s: set name\n", thread_id);
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g_free (thread_id);
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return NULL;
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}
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/*
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* main thread sets and gets name while other threads set the name
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* constantly; fails because lock is released inbetween set and get
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*/
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START_TEST (test_fake_object_name_threaded_wrong)
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{
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GstObject *object;
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gchar *name;
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gint i;
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gboolean expected_failure = FALSE;
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g_message ("\nTEST: set/get without lock\n");
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object = g_object_new (gst_fake_object_get_type (), NULL);
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gst_object_set_name (object, "main");
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MAIN_START_THREADS (5, thread_name_object, object);
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/* start looping and set/get name repeatedly */
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for (i = 0; i < 1000; ++i) {
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gst_object_set_name (object, "main");
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g_usleep (1); /* switch */
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name = gst_object_get_name (object);
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if (strcmp (name, "main") != 0) {
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g_message ("MAIN: expected failure during run %d\n", i);
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expected_failure = TRUE;
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g_free (name);
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break;
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}
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g_free (name);
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}
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MAIN_STOP_THREADS ();
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fail_unless (expected_failure, "name did not get changed");
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}
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END_TEST
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/*
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* main thread sets and gets name directly on struct inside the object lock
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* succeed because lock is held during set/get, and threads are locked out
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*/
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START_TEST (test_fake_object_name_threaded_right)
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{
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GstObject *object;
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gchar *name;
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gint i;
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g_message ("\nTEST: set/get inside lock\n");
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object = g_object_new (gst_fake_object_get_type (), NULL);
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gst_object_set_name (object, "main");
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MAIN_START_THREADS (5, thread_name_object, object);
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/* start looping and set/get name repeatedly */
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for (i = 0; i < 1000; ++i) {
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GST_LOCK (object);
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g_free (GST_OBJECT_NAME (object));
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GST_OBJECT_NAME (object) = g_strdup ("main");
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g_usleep (1); /* switch */
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name = g_strdup (GST_OBJECT_NAME (object));
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GST_UNLOCK (object);
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fail_unless (strcmp (name, "main") == 0,
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"Name got changed while lock held during run %d", i);
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g_free (name);
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}
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MAIN_STOP_THREADS ();
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}
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END_TEST
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/*
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* main thread creates lots of objects
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* child threads sets default names on objects
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* then main thread checks uniqueness of object names
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*/
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GList * object_list = NULL;
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gint num_objects = 1000;
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gint num_threads = 5;
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/* thread function for threaded default name change test */
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gpointer
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thread_name_object_default (int *i)
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{
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int j;
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THREAD_START ();
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for (j = *i; j < num_objects; j += num_threads) {
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GstObject *o = GST_OBJECT (g_list_nth_data (object_list, j));
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/* g_message ("THREAD %p: setting default name on object %d\n",
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g_thread_self (), j); */
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gst_object_set_name (o, NULL);
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/* a minimal sleep invokes a thread switch */
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g_usleep (1);
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}
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/* thread is done, so let's return */
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g_message ("THREAD %p: set name\n", g_thread_self ());
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g_free (i);
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return NULL;
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}
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static gint
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gst_object_name_compare (GstObject * o, GstObject * p)
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{
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gint result;
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GST_LOCK (o);
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GST_LOCK (p);
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if (o->name == NULL && p->name == NULL) {
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result = 0;
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} else if (o->name == NULL) {
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result = -1;
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} else if (p->name == NULL) {
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result = 1;
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} else {
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result = strcmp (o->name, p->name);
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}
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GST_UNLOCK (p);
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GST_UNLOCK (o);
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return result;
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}
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START_TEST (test_fake_object_name_threaded_unique)
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{
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GstObject *object;
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gint i;
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gint *ip;
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gchar *name1, *name2;
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GList *l;
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g_message ("\nTEST: uniqueness of default names\n");
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for (i = 0; i < num_objects; ++i) {
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object = g_object_new (gst_fake_object_get_type (), NULL);
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object_list = g_list_append (object_list, object);
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}
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MAIN_INIT ();
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mark_point ();
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for (i = 0; i < num_threads; ++i) {
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ip = g_new (gint, 1);
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*ip = i;
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MAIN_START_THREAD_FUNCTION (i, thread_name_object_default, ip);
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}
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mark_point ();
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MAIN_SYNCHRONIZE ();
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mark_point ();
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MAIN_STOP_THREADS ();
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/* sort GList based on object name */
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/* FIXME: sort and test */
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g_list_sort (object_list, (GCompareFunc) gst_object_name_compare);
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name1 = gst_object_get_name (GST_OBJECT (object_list->data));
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for (l = object_list->next; l->next; l = l->next) {
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g_message ("object with name %s\n", name1);
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name2 = gst_object_get_name (GST_OBJECT (l->data));
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fail_if (strcmp (name1, name2) == 0, "Two objects with name %s", name2);
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g_free (name1);
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name1 = name2;
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}
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/* free stuff */
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g_list_foreach (object_list, (GFunc) g_object_unref, NULL);
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}
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END_TEST
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/* test: try renaming a parented object, make sure it fails */
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Suite * gst_object_suite (void)
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{
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Suite *s = suite_create ("GstObject");
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TCase *tc_chain = tcase_create ("general");
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suite_add_tcase (s, tc_chain);
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tcase_add_test (tc_chain, test_fake_object_new);
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tcase_add_test (tc_chain, test_fake_object_name);
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tcase_add_test (tc_chain, test_fake_object_name_threaded_wrong);
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tcase_add_test (tc_chain, test_fake_object_name_threaded_right);
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tcase_add_test (tc_chain, test_fake_object_name_threaded_unique);
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//tcase_add_checked_fixture (tc_chain, setup, teardown);
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/* SEGV tests go last so we can debug the others */
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tcase_add_test_raise_signal (tc_chain, test_fail_abstract_new, SIGSEGV);
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return s;
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}
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int
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main (int argc, char **argv)
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{
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int nf;
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Suite *s = gst_object_suite ();
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SRunner *sr = srunner_create (s);
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gst_init (&argc, &argv);
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gst_check_init ();
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srunner_run_all (sr, CK_NORMAL);
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nf = srunner_ntests_failed (sr);
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srunner_free (sr);
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return nf;
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}
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