gstreamer/check/gst/gstdata.c

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/* GStreamer
*
* unit test for GstData
*
* Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "../gstcheck.h"
START_TEST (test_copy)
{
GstBuffer *buffer, *copy;
buffer = gst_buffer_new_and_alloc (4);
copy = GST_BUFFER (gst_data_copy (GST_DATA (buffer)));
fail_if (copy == NULL, "Copy of buffer returned NULL");
fail_unless (GST_BUFFER_SIZE (copy) == 4,
"Copy of buffer has different size");
}
END_TEST
START_TEST (test_is_writable)
{
GstBuffer *buffer;
GstData *data;
buffer = gst_buffer_new_and_alloc (4);
data = GST_DATA (buffer);
fail_unless (gst_data_is_writable (data),
"A buffer with one ref should be writable");
GST_DATA_FLAG_SET (data, GST_DATA_READONLY);
fail_if (gst_data_is_writable (data),
"A buffer with READONLY set should not be writable");
GST_DATA_FLAG_UNSET (data, GST_DATA_READONLY);
fail_unless (gst_data_is_writable (data),
"A buffer with one ref and READONLY not set should be writable");
fail_if (gst_data_ref (data) == NULL, "Could not ref the data");
fail_if (gst_data_is_writable (data),
"A buffer with two refs should not be writable");
}
END_TEST
START_TEST (test_copy_on_write)
{
GstBuffer *buffer;
GstData *data, *data2, *data3;
buffer = gst_buffer_new_and_alloc (4);
data = GST_DATA (buffer);
data2 = gst_data_copy_on_write (data);
fail_unless (GST_IS_BUFFER (data2), "copy_on_write did not return a buffer");
fail_unless (data == data2,
"copy_on_write returned a copy for a buffer with refcount 1");
data2 = gst_data_ref (data);
data3 = gst_data_copy_on_write (data);
fail_unless (GST_IS_BUFFER (data3), "copy_on_write did not return a buffer");
fail_if (data == data3,
"copy_on_write returned same object for a buffer with refcount > 1");
fail_unless (GST_DATA_REFCOUNT_VALUE (data) == 1,
"refcount of original data object should be back to 1");
data2 = gst_data_copy_on_write (data);
fail_unless (GST_IS_BUFFER (data2), "copy_on_write did not return a buffer");
fail_unless (data == data2,
"copy_on_write returned a copy for a buffer with refcount 1");
}
END_TEST gint num_threads = 10;
gint refs_per_thread = 10000;
/* test thread-safe refcounting of GstData */
void
thread_ref (GstData * data)
{
int j;
THREAD_START ();
for (j = 0; j < refs_per_thread; ++j) {
fail_if (gst_data_ref (data) == NULL, "Could not ref data from thread");
if (j % num_threads == 0)
THREAD_SWITCH ();
}
g_message ("thread stopped\n");
}
START_TEST (test_ref_threaded)
{
GstBuffer *buffer;
GstData *data;
gint expected;
buffer = gst_buffer_new_and_alloc (4);
data = GST_DATA (buffer);
MAIN_START_THREADS (num_threads, thread_ref, data);
MAIN_STOP_THREADS ();
expected = num_threads * refs_per_thread + 1;
fail_unless (GST_DATA_REFCOUNT_VALUE (data) == expected,
"Refcount of data is %d != %d", GST_DATA_REFCOUNT_VALUE (data), expected);
}
END_TEST void
thread_unref (GstData * data)
{
int j;
THREAD_START ();
for (j = 0; j < refs_per_thread; ++j) {
gst_data_unref (data);
if (j % num_threads == 0)
THREAD_SWITCH ();
}
}
START_TEST (test_unref_threaded)
{
GstBuffer *buffer;
GstData *data;
buffer = gst_buffer_new_and_alloc (4);
data = GST_DATA (buffer);
gst_data_ref_by_count (data, num_threads * refs_per_thread);
MAIN_START_THREADS (num_threads, thread_unref, data);
MAIN_STOP_THREADS ();
fail_unless (GST_DATA_REFCOUNT_VALUE (data) == 1,
"Refcount of data is %d != %d", GST_DATA_REFCOUNT_VALUE (data), 1);
/* final unref */
gst_data_unref (data);
}
END_TEST Suite *
gst_data_suite (void)
{
Suite *s = suite_create ("GstData");
TCase *tc_chain = tcase_create ("general");
/* turn off timeout */
tcase_set_timeout (tc_chain, 60);
suite_add_tcase (s, tc_chain);
tcase_add_test (tc_chain, test_copy);
tcase_add_test (tc_chain, test_is_writable);
tcase_add_test (tc_chain, test_copy_on_write);
tcase_add_test (tc_chain, test_ref_threaded);
tcase_add_test (tc_chain, test_unref_threaded);
return s;
}
int
main (int argc, char **argv)
{
int nf;
Suite *s = gst_data_suite ();
SRunner *sr = srunner_create (s);
gst_check_init (&argc, &argv);
srunner_run_all (sr, CK_NORMAL);
nf = srunner_ntests_failed (sr);
srunner_free (sr);
return nf;
}