gstreamer/check/gstcheck.h

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/* GStreamer
*
* Common code for GStreamer unittests
*
* 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.
*/
#ifndef __GST_CHECK_H__
#define __GST_CHECK_H__
#include <signal.h>
#include <string.h>
#include <stdlib.h>
#include <check.h>
#include <gst/gst.h>
/* logging function for tests
* a test uses g_message() to log a debug line
* a gst unit test can be run with GST_TEST_DEBUG env var set to see the
* messages
*/
extern gboolean _gst_check_threads_running;
extern gboolean _gst_check_raised_critical;
extern gboolean _gst_check_expecting_log;
void gst_check_init (int *argc, char **argv[]);
/***
* thread test macros and variables
*/
extern GList *thread_list;
extern GMutex *mutex;
extern GCond *start_cond; /* used to notify main thread of thread startups */
extern GCond *sync_cond; /* used to synchronize all threads and main thread */
#define MAIN_START_THREADS(count, function, data) \
MAIN_INIT(); \
MAIN_START_THREAD_FUNCTIONS(count, function, data); \
MAIN_SYNCHRONIZE();
#define MAIN_INIT() \
G_STMT_START { \
_gst_check_threads_running = TRUE; \
\
mutex = g_mutex_new (); \
start_cond = g_cond_new (); \
sync_cond = g_cond_new (); \
} G_STMT_END;
#define MAIN_START_THREAD_FUNCTIONS(count, function, data) \
G_STMT_START { \
int i; \
for (i = 0; i < count; ++i) { \
MAIN_START_THREAD_FUNCTION (i, function, data); \
} \
} G_STMT_END;
#define MAIN_START_THREAD_FUNCTION(i, function, data) \
G_STMT_START { \
GThread *thread = NULL; \
g_message ("MAIN: creating thread %d\n", i); \
g_mutex_lock (mutex); \
thread = g_thread_create ((GThreadFunc) function, data, \
TRUE, NULL); \
/* wait for thread to signal us that it's ready */ \
g_message ("MAIN: waiting for thread %d\n", i); \
g_cond_wait (start_cond, mutex); \
g_mutex_unlock (mutex); \
\
thread_list = g_list_append (thread_list, thread); \
} G_STMT_END;
#define MAIN_SYNCHRONIZE() \
G_STMT_START { \
g_message ("MAIN: synchronizing\n"); \
g_cond_broadcast (sync_cond); \
g_message ("MAIN: synchronized\n"); \
} G_STMT_END;
#define MAIN_STOP_THREADS() \
G_STMT_START { \
_gst_check_threads_running = FALSE; \
\
/* join all threads */ \
g_message ("MAIN: joining\n"); \
g_list_foreach (thread_list, (GFunc) g_thread_join, NULL); \
g_message ("MAIN: joined\n"); \
} G_STMT_END;
#define THREAD_START() \
THREAD_STARTED(); \
THREAD_SYNCHRONIZE();
#define THREAD_STARTED() \
G_STMT_START { \
/* signal main thread that we started */ \
g_message ("THREAD %p: started\n", g_thread_self ()); \
g_mutex_lock (mutex); \
g_cond_signal (start_cond); \
} G_STMT_END;
#define THREAD_SYNCHRONIZE() \
G_STMT_START { \
/* synchronize everyone */ \
g_message ("THREAD %p: syncing\n", g_thread_self ()); \
g_cond_wait (sync_cond, mutex); \
g_message ("THREAD %p: synced\n", g_thread_self ()); \
g_mutex_unlock (mutex); \
} G_STMT_END;
#define THREAD_SWITCH() \
G_STMT_START { \
/* a minimal sleep is a context switch */ \
g_usleep (1); \
} G_STMT_END;
#define THREAD_TEST_RUNNING() (_gst_check_threads_running == TRUE)
#define ASSERT_CRITICAL(code) \
G_STMT_START { \
_gst_check_expecting_log = TRUE; \
_gst_check_raised_critical = FALSE; \
code; \
_fail_unless (_gst_check_raised_critical, __FILE__, __LINE__, \
"Expected g_critical, got nothing: '"#code"'"); \
_gst_check_expecting_log = FALSE; \
} G_STMT_END
#endif /* __GST_CHECK_H__ */