1 /* GStreamer
2 *
3 * Common code for GStreamer unittests
4 *
5 * Copyright (C) <2004> Thomas Vander Stichele <thomas at apestaart dot org>
6 * Copyright (C) <2008> Thijs Vermeir <thijsvermeir@gmail.com>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
21 * Boston, MA 02111-1307, USA.
22 */
24 #ifndef __GST_CHECK_H__
25 #define __GST_CHECK_H__
27 #include <signal.h>
28 #include <string.h>
29 #include <stdlib.h>
30 #include <math.h>
32 #include <gst/check/internal-check.h>
34 #include <gst/gst.h>
36 G_BEGIN_DECLS
38 GST_DEBUG_CATEGORY_EXTERN (check_debug);
39 #define GST_CAT_DEFAULT check_debug
41 /* logging function for tests
42 * a test uses g_message() to log a debug line
43 * a gst unit test can be run with GST_TEST_DEBUG env var set to see the
44 * messages
45 */
46 extern gboolean _gst_check_threads_running;
47 extern gboolean _gst_check_raised_critical;
48 extern gboolean _gst_check_raised_warning;
49 extern gboolean _gst_check_expecting_log;
51 /* global variables used in test methods */
52 extern GList * buffers;
54 extern GMutex *check_mutex;
55 extern GCond *check_cond;
57 typedef struct
58 {
59 const char *name;
60 int size;
61 int abi_size;
62 }
63 GstCheckABIStruct;
65 void gst_check_init (int *argc, char **argv[]);
67 GstFlowReturn gst_check_chain_func (GstPad * pad, GstBuffer * buffer);
69 void gst_check_message_error (GstMessage * message, GstMessageType type,
70 GQuark domain, gint code);
72 GstElement *gst_check_setup_element (const gchar * factory);
73 void gst_check_teardown_element (GstElement * element);
74 GstPad *gst_check_setup_src_pad (GstElement * element,
75 GstStaticPadTemplate * template, GstCaps * caps);
76 GstPad * gst_check_setup_src_pad_by_name (GstElement * element,
77 GstStaticPadTemplate * template, const gchar *name);
78 GstPad * gst_check_setup_sink_pad_by_name (GstElement * element,
79 GstStaticPadTemplate * template, const gchar *name);
80 void gst_check_teardown_pad_by_name (GstElement * element, const gchar *name);
81 void gst_check_teardown_src_pad (GstElement * element);
82 void gst_check_drop_buffers (void);
83 void gst_check_caps_equal (GstCaps * caps1, GstCaps * caps2);
84 void gst_check_element_push_buffer_list (const gchar * element_name,
85 GList * buffer_in, GList * buffer_out, GstFlowReturn last_flow_return);
86 void gst_check_element_push_buffer (const gchar * element_name,
87 GstBuffer * buffer_in, GstBuffer * buffer_out);
88 GstPad *gst_check_setup_sink_pad (GstElement * element,
89 GstStaticPadTemplate * template, GstCaps * caps);
90 void gst_check_teardown_sink_pad (GstElement * element);
91 void gst_check_abi_list (GstCheckABIStruct list[], gboolean have_abi_sizes);
92 gint gst_check_run_suite (Suite * suite, const gchar * name,
93 const gchar * fname);
95 #define fail_unless_message_error(msg, domain, code) \
96 gst_check_message_error (msg, GST_MESSAGE_ERROR, \
97 GST_ ## domain ## _ERROR, GST_ ## domain ## _ERROR_ ## code)
98 #define assert_message_error(m, d, c) fail_unless_message_error(m, d, c)
100 /**
101 * GST_START_TEST:
102 * @__testname: test function name
103 *
104 * wrapper for checks START_TEST
105 */
106 /**
107 * GST_END_TEST:
108 *
109 * wrapper for checks END_TEST
110 */
111 #define GST_START_TEST(__testname) \
112 static void __testname (int __i__)\
113 {\
114 GST_DEBUG ("test start"); \
115 tcase_fn_start (""# __testname, __FILE__, __LINE__);
117 #define GST_END_TEST GST_LOG ("cleaning up tasks"); \
118 gst_task_cleanup_all (); \
119 END_TEST
121 /* additional fail macros */
122 /**
123 * fail_unless_equals_int:
124 * @a: a #gint value or expression
125 * @b: a #gint value or expression
126 *
127 * This macro checks that @a and @b are equal and aborts if this is not the
128 * case, printing both expressions and the values they evaluated to. This
129 * macro is for use in unit tests.
130 */
131 #define fail_unless_equals_int(a, b) \
132 G_STMT_START { \
133 int first = a; \
134 int second = b; \
135 fail_unless(first == second, \
136 "'" #a "' (%d) is not equal to '" #b"' (%d)", first, second); \
137 } G_STMT_END;
138 /**
139 * assert_equals_int:
140 * @a: a #gint value or expression
141 * @b: a #gint value or expression
142 *
143 * This macro checks that @a and @b are equal and aborts if this is not the
144 * case, printing both expressions and the values they evaluated to. This
145 * macro is for use in unit tests.
146 */
147 #define assert_equals_int(a, b) fail_unless_equals_int(a, b)
149 /**
150 * fail_unless_equals_uint64:
151 * @a: a #guint64 value or expression
152 * @b: a #guint64 value or expression
153 *
154 * This macro checks that @a and @b are equal and aborts if this is not the
155 * case, printing both expressions and the values they evaluated to. This
156 * macro is for use in unit tests.
157 */
158 #define fail_unless_equals_uint64(a, b) \
159 G_STMT_START { \
160 guint64 first = a; \
161 guint64 second = b; \
162 fail_unless(first == second, \
163 "'" #a "' (%" G_GUINT64_FORMAT ") is not equal to '" #b"' (%" \
164 G_GUINT64_FORMAT ")", first, second); \
165 } G_STMT_END;
166 /**
167 * assert_equals_uint64:
168 * @a: a #guint64 value or expression
169 * @b: a #guint64 value or expression
170 *
171 * This macro checks that @a and @b are equal and aborts if this is not the
172 * case, printing both expressions and the values they evaluated to. This
173 * macro is for use in unit tests.
174 */
175 #define assert_equals_uint64(a, b) fail_unless_equals_uint64(a, b)
177 /**
178 * fail_unless_equals_string:
179 * @a: a string literal or expression
180 * @b: a string literal or expression
181 *
182 * This macro checks that @a and @b are equal (as per strcmp) and aborts if
183 * this is not the case, printing both expressions and the values they
184 * evaluated to. This macro is for use in unit tests.
185 */
186 #define fail_unless_equals_string(a, b) \
187 G_STMT_START { \
188 const gchar * first = a; \
189 const gchar * second = b; \
190 fail_unless(strcmp (first, second) == 0, \
191 "'" #a "' (%s) is not equal to '" #b"' (%s)", first, second); \
192 } G_STMT_END;
193 /**
194 * assert_equals_string:
195 * @a: a string literal or expression
196 * @b: a string literal or expression
197 *
198 * This macro checks that @a and @b are equal (as per strcmp) and aborts if
199 * this is not the case, printing both expressions and the values they
200 * evaluated to. This macro is for use in unit tests.
201 */
202 #define assert_equals_string(a, b) fail_unless_equals_string(a, b)
204 /**
205 * fail_unless_equals_float:
206 * @a: a #gdouble or #gfloat value or expression
207 * @b: a #gdouble or #gfloat value or expression
208 *
209 * This macro checks that @a and @b are (almost) equal and aborts if this
210 * is not the case, printing both expressions and the values they evaluated
211 * to. This macro is for use in unit tests.
212 *
213 * Since: 0.10.14
214 */
215 #define fail_unless_equals_float(a, b) \
216 G_STMT_START { \
217 double first = a; \
218 double second = b; \
219 /* This will only work for 'normal' values and values around 0, \
220 * which should be good enough for our purposes here */ \
221 fail_unless(fabs (first - second) < 0.0000001, \
222 "'" #a "' (%g) is not equal to '" #b "' (%g)", first, second);\
223 } G_STMT_END;
225 /**
226 * assert_equals_float:
227 * @a: a #gdouble or #gfloat value or expression
228 * @b: a #gdouble or #gfloat value or expression
229 *
230 * This macro checks that @a and @b are (almost) equal and aborts if this
231 * is not the case, printing both expressions and the values they evaluated
232 * to. This macro is for use in unit tests.
233 *
234 * Since: 0.10.14
235 */
236 #define assert_equals_float(a, b) fail_unless_equals_float(a, b)
239 /***
240 * thread test macros and variables
241 */
242 extern GList *thread_list;
243 extern GMutex *mutex;
244 extern GCond *start_cond; /* used to notify main thread of thread startups */
245 extern GCond *sync_cond; /* used to synchronize all threads and main thread */
247 #define MAIN_START_THREADS(count, function, data) \
248 MAIN_INIT(); \
249 MAIN_START_THREAD_FUNCTIONS(count, function, data); \
250 MAIN_SYNCHRONIZE();
252 #define MAIN_INIT() \
253 G_STMT_START { \
254 _gst_check_threads_running = TRUE; \
255 \
256 if (mutex == NULL) { \
257 mutex = g_mutex_new (); \
258 start_cond = g_cond_new (); \
259 sync_cond = g_cond_new (); \
260 } \
261 } G_STMT_END;
263 #define MAIN_START_THREAD_FUNCTIONS(count, function, data) \
264 G_STMT_START { \
265 int i; \
266 for (i = 0; i < count; ++i) { \
267 MAIN_START_THREAD_FUNCTION (i, function, data); \
268 } \
269 } G_STMT_END;
271 #define MAIN_START_THREAD_FUNCTION(i, function, data) \
272 G_STMT_START { \
273 GThread *thread = NULL; \
274 GST_DEBUG ("MAIN: creating thread %d", i); \
275 g_mutex_lock (mutex); \
276 thread = g_thread_create ((GThreadFunc) function, data, \
277 TRUE, NULL); \
278 /* wait for thread to signal us that it's ready */ \
279 GST_DEBUG ("MAIN: waiting for thread %d", i); \
280 g_cond_wait (start_cond, mutex); \
281 g_mutex_unlock (mutex); \
282 \
283 thread_list = g_list_append (thread_list, thread); \
284 } G_STMT_END;
287 #define MAIN_SYNCHRONIZE() \
288 G_STMT_START { \
289 GST_DEBUG ("MAIN: synchronizing"); \
290 g_cond_broadcast (sync_cond); \
291 GST_DEBUG ("MAIN: synchronized"); \
292 } G_STMT_END;
294 #define MAIN_STOP_THREADS() \
295 G_STMT_START { \
296 _gst_check_threads_running = FALSE; \
297 \
298 /* join all threads */ \
299 GST_DEBUG ("MAIN: joining"); \
300 g_list_foreach (thread_list, (GFunc) g_thread_join, NULL); \
301 g_list_free (thread_list); \
302 thread_list = NULL; \
303 GST_DEBUG ("MAIN: joined"); \
304 } G_STMT_END;
306 #define THREAD_START() \
307 THREAD_STARTED(); \
308 THREAD_SYNCHRONIZE();
310 #define THREAD_STARTED() \
311 G_STMT_START { \
312 /* signal main thread that we started */ \
313 GST_DEBUG ("THREAD %p: started", g_thread_self ()); \
314 g_mutex_lock (mutex); \
315 g_cond_signal (start_cond); \
316 } G_STMT_END;
318 #define THREAD_SYNCHRONIZE() \
319 G_STMT_START { \
320 /* synchronize everyone */ \
321 GST_DEBUG ("THREAD %p: syncing", g_thread_self ()); \
322 g_cond_wait (sync_cond, mutex); \
323 GST_DEBUG ("THREAD %p: synced", g_thread_self ()); \
324 g_mutex_unlock (mutex); \
325 } G_STMT_END;
327 #define THREAD_SWITCH() \
328 G_STMT_START { \
329 /* a minimal sleep is a context switch */ \
330 g_usleep (1); \
331 } G_STMT_END;
333 #define THREAD_TEST_RUNNING() (_gst_check_threads_running == TRUE)
335 /* additional assertions */
336 #define ASSERT_CRITICAL(code) \
337 G_STMT_START { \
338 _gst_check_expecting_log = TRUE; \
339 _gst_check_raised_critical = FALSE; \
340 code; \
341 _fail_unless (_gst_check_raised_critical, __FILE__, __LINE__, \
342 "Expected g_critical, got nothing", NULL); \
343 _gst_check_expecting_log = FALSE; \
344 } G_STMT_END
346 #define ASSERT_WARNING(code) \
347 G_STMT_START { \
348 _gst_check_expecting_log = TRUE; \
349 _gst_check_raised_warning = FALSE; \
350 code; \
351 _fail_unless (_gst_check_raised_warning, __FILE__, __LINE__, \
352 "Expected g_warning, got nothing", NULL); \
353 _gst_check_expecting_log = FALSE; \
354 } G_STMT_END
357 #define ASSERT_OBJECT_REFCOUNT(object, name, value) \
358 G_STMT_START { \
359 int rc; \
360 rc = GST_OBJECT_REFCOUNT_VALUE (object); \
361 fail_unless (rc == value, \
362 "%s (%p) refcount is %d instead of %d", \
363 name, object, rc, value); \
364 } G_STMT_END
366 #define ASSERT_OBJECT_REFCOUNT_BETWEEN(object, name, lower, upper) \
367 G_STMT_START { \
368 int rc = GST_OBJECT_REFCOUNT_VALUE (object); \
369 int lo = lower; \
370 int hi = upper; \
371 \
372 fail_unless (rc >= lo, \
373 "%s (%p) refcount %d is smaller than %d", \
374 name, object, rc, lo); \
375 fail_unless (rc <= hi, \
376 "%s (%p) refcount %d is bigger than %d", \
377 name, object, rc, hi); \
378 } G_STMT_END
381 #define ASSERT_CAPS_REFCOUNT(caps, name, value) \
382 ASSERT_MINI_OBJECT_REFCOUNT(caps, name, value)
384 #define ASSERT_BUFFER_REFCOUNT(buffer, name, value) \
385 ASSERT_MINI_OBJECT_REFCOUNT(buffer, name, value)
387 #define ASSERT_MINI_OBJECT_REFCOUNT(caps, name, value) \
388 G_STMT_START { \
389 int rc; \
390 rc = GST_MINI_OBJECT_REFCOUNT_VALUE (caps); \
391 fail_unless (rc == value, \
392 name " refcount is %d instead of %d", rc, value);\
393 } G_STMT_END
395 #define ASSERT_SET_STATE(element, state, ret) \
396 fail_unless (gst_element_set_state (element, \
397 state) == ret, \
398 "could not change state to " #state);
400 #define GST_CHECK_MAIN(name) \
401 int main (int argc, char **argv) \
402 { \
403 Suite *s; \
404 gst_check_init (&argc, &argv); \
405 s = name ## _suite (); \
406 return gst_check_run_suite (s, # name, __FILE__); \
407 }
409 /* Hack to allow run-time selection of unit tests to run via the
410 * GST_CHECKS environment variable (test function names, comma-separated) */
412 gboolean _gst_check_run_test_func (const gchar * func_name);
414 static inline void
415 __gst_tcase_add_test (TCase * tc, TFun tf, const char * fname, int signal,
416 int allowed_exit_value, int start, int end)
417 {
418 if (_gst_check_run_test_func (fname)) {
419 _tcase_add_test (tc, tf, fname, signal, allowed_exit_value, start, end);
420 }
421 }
423 #define _tcase_add_test __gst_tcase_add_test
425 G_END_DECLS
427 #endif /* __GST_CHECK_H__ */