3 * unit test for GstBuffer
5 * Copyright (C) <2005> Thomas Vander Stichele <thomas at apestaart dot org>
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Library General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Library General Public License for more details.
17 * You should have received a copy of the GNU Library General Public
18 * License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
20 * Boston, MA 02111-1307, USA.
27 #ifdef HAVE_VALGRIND_H
28 # include <valgrind/valgrind.h>
30 # define RUNNING_ON_VALGRIND FALSE
33 #include <gst/check/gstcheck.h>
35 GST_START_TEST (test_subbuffer)
37 GstBuffer *buffer, *sub;
38 GstMapInfo info, sinfo;
40 buffer = gst_buffer_new_and_alloc (4);
42 /* check sizes, buffer starts out empty */
43 fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
44 fail_unless (info.size == 4, "buffer has wrong size");
45 fail_unless (info.maxsize >= 4, "buffer has wrong size");
46 memset (info.data, 0, 4);
47 gst_buffer_unmap (buffer, &info);
49 fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
50 /* set some metadata */
51 GST_BUFFER_TIMESTAMP (buffer) = 1;
52 GST_BUFFER_DURATION (buffer) = 2;
53 GST_BUFFER_OFFSET (buffer) = 3;
54 GST_BUFFER_OFFSET_END (buffer) = 4;
56 sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 2);
57 fail_if (sub == NULL, "copy region of buffer returned NULL");
59 fail_unless (gst_buffer_map (sub, &sinfo, GST_MAP_READ));
60 fail_unless (sinfo.size == 2, "subbuffer has wrong size");
61 fail_unless (memcmp (info.data + 1, sinfo.data, 2) == 0,
62 "subbuffer contains the wrong data");
63 ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
64 fail_unless (GST_BUFFER_TIMESTAMP (sub) == -1,
65 "subbuffer has wrong timestamp");
66 fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
67 fail_unless (GST_BUFFER_OFFSET (sub) == -1, "subbuffer has wrong offset");
68 fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
69 "subbuffer has wrong offset end");
70 gst_buffer_unmap (sub, &sinfo);
71 gst_buffer_unref (sub);
73 /* create a subbuffer of size 0 */
74 sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 1, 0);
75 fail_if (sub == NULL, "copy_region of buffer returned NULL");
76 fail_unless (gst_buffer_map (sub, &sinfo, GST_MAP_READ));
77 fail_unless (sinfo.size == 0, "subbuffer has wrong size");
78 fail_unless (memcmp (info.data + 1, sinfo.data, 0) == 0,
79 "subbuffer contains the wrong data");
80 ASSERT_BUFFER_REFCOUNT (sub, "subbuffer", 1);
81 gst_buffer_unmap (sub, &sinfo);
82 gst_buffer_unref (sub);
84 /* test if metadata is coppied, not a complete buffer copy so only the
85 * timestamp and offset fields are copied. */
86 sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 1);
87 fail_if (sub == NULL, "copy_region of buffer returned NULL");
88 fail_unless (gst_buffer_get_size (sub) == 1, "subbuffer has wrong size");
89 fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
90 "subbuffer has wrong timestamp");
91 fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
92 fail_unless (GST_BUFFER_DURATION (sub) == -1, "subbuffer has wrong duration");
93 fail_unless (GST_BUFFER_OFFSET_END (sub) == -1,
94 "subbuffer has wrong offset end");
95 gst_buffer_unref (sub);
97 /* test if metadata is coppied, a complete buffer is copied so all the timing
98 * fields should be copied. */
99 sub = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 4);
100 fail_if (sub == NULL, "copy_region of buffer returned NULL");
101 fail_unless (gst_buffer_get_size (sub) == 4, "subbuffer has wrong size");
102 fail_unless (GST_BUFFER_TIMESTAMP (sub) == 1,
103 "subbuffer has wrong timestamp");
104 fail_unless (GST_BUFFER_DURATION (sub) == 2, "subbuffer has wrong duration");
105 fail_unless (GST_BUFFER_OFFSET (sub) == 3, "subbuffer has wrong offset");
106 fail_unless (GST_BUFFER_OFFSET_END (sub) == 4,
107 "subbuffer has wrong offset end");
110 gst_buffer_unref (sub);
112 gst_buffer_unmap (buffer, &info);
113 gst_buffer_unref (buffer);
118 GST_START_TEST (test_span)
120 GstBuffer *buffer, *sub1, *sub2, *span;
123 buffer = gst_buffer_new_and_alloc (4);
125 fail_unless (gst_buffer_map (buffer, &info, GST_MAP_WRITE));
126 memcpy (info.data, "data", 4);
127 gst_buffer_unmap (buffer, &info);
129 ASSERT_CRITICAL (gst_buffer_append (NULL, NULL));
130 ASSERT_CRITICAL (gst_buffer_append (buffer, NULL));
131 ASSERT_CRITICAL (gst_buffer_append (NULL, buffer));
133 sub1 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 0, 2);
134 fail_if (sub1 == NULL, "copy_region of buffer returned NULL");
136 sub2 = gst_buffer_copy_region (buffer, GST_BUFFER_COPY_ALL, 2, 2);
137 fail_if (sub2 == NULL, "copy_region of buffer returned NULL");
139 ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
140 ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
141 ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
143 /* span will create a new subbuffer from the parent */
144 gst_buffer_ref (sub1);
145 gst_buffer_ref (sub2);
146 span = gst_buffer_append (sub1, sub2);
147 fail_unless (gst_buffer_map (span, &info, GST_MAP_READ));
148 fail_unless (info.size == 4, "spanned buffer is wrong size");
149 ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
150 ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
151 ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
152 ASSERT_BUFFER_REFCOUNT (span, "span", 1);
153 fail_unless (memcmp (info.data, "data", 4) == 0,
154 "spanned buffer contains the wrong data");
155 gst_buffer_unmap (span, &info);
156 gst_buffer_unref (span);
157 ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
159 /* span from non-contiguous buffers will create new buffers */
160 gst_buffer_ref (sub1);
161 gst_buffer_ref (sub2);
162 span = gst_buffer_append (sub2, sub1);
163 fail_unless (gst_buffer_map (span, &info, GST_MAP_READ));
164 fail_unless (info.size == 4, "spanned buffer is wrong size");
165 ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
166 ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
167 ASSERT_BUFFER_REFCOUNT (sub2, "sub2", 1);
168 ASSERT_BUFFER_REFCOUNT (span, "span", 1);
169 fail_unless (memcmp (info.data, "tada", 4) == 0,
170 "spanned buffer contains the wrong data");
171 gst_buffer_unmap (span, &info);
172 gst_buffer_unref (span);
173 ASSERT_BUFFER_REFCOUNT (buffer, "parent", 1);
176 gst_buffer_unref (sub1);
177 gst_buffer_unref (sub2);
178 gst_buffer_unref (buffer);
184 static const char ro_memory[] = "abcdefghijklmnopqrstuvwxyz";
187 create_read_only_buffer (void)
191 buf = gst_buffer_new ();
193 /* assign some read-only data to the new buffer */
194 gst_buffer_insert_memory (buf, -1,
195 gst_memory_new_wrapped (GST_MEMORY_FLAG_READONLY,
196 (gpointer) ro_memory, sizeof (ro_memory),
197 0, sizeof (ro_memory), NULL, NULL));
202 GST_START_TEST (test_make_writable)
204 GstBuffer *buf, *buf2;
207 /* create read-only buffer and make it writable */
208 buf = create_read_only_buffer ();
210 fail_unless (gst_buffer_map (buf, &info, GST_MAP_WRITE));
212 gst_buffer_unmap (buf, &info);
213 gst_buffer_unref (buf);
215 /* alloc'ed buffer with refcount 1 should be writable */
216 buf = gst_buffer_new_and_alloc (32);
217 buf2 = gst_buffer_make_writable (buf);
218 fail_unless (buf == buf2,
219 "_make_writable() should have returned same buffer");
220 gst_buffer_unref (buf2);
222 /* alloc'ed buffer with refcount >1 should be copied */
223 buf = gst_buffer_new_and_alloc (32);
224 gst_buffer_ref (buf);
225 buf2 = gst_buffer_make_writable (buf);
226 fail_unless (buf != buf2, "_make_writable() should have returned a copy!");
227 gst_buffer_unref (buf2);
228 gst_buffer_unref (buf);
233 GST_START_TEST (test_subbuffer_make_writable)
235 GstBuffer *buf, *sub_buf;
238 /* create sub-buffer of read-only buffer and make it writable */
239 buf = create_read_only_buffer ();
241 sub_buf = gst_buffer_copy_region (buf, GST_BUFFER_COPY_ALL, 0, 8);
243 fail_unless (gst_buffer_map (sub_buf, &info, GST_MAP_WRITE));
244 fail_if (info.data == NULL);
246 gst_buffer_unmap (sub_buf, &info);
247 gst_buffer_unref (sub_buf);
248 gst_buffer_unref (buf);
253 GST_START_TEST (test_metadata_writable)
255 GstBuffer *buffer, *sub1;
257 buffer = gst_buffer_new_and_alloc (4);
258 GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
259 GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
261 /* Buffer with refcount 1 should have writable metadata */
262 fail_unless (gst_buffer_is_writable (buffer) == TRUE);
264 /* Check that a buffer with refcount 2 does not have writable metadata */
265 gst_buffer_ref (buffer);
266 ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 2);
267 fail_unless (gst_buffer_is_writable (buffer) == FALSE);
269 /* Check that make_metadata_writable produces a new sub-buffer with
270 * writable metadata. */
271 sub1 = gst_buffer_make_writable (buffer);
272 fail_if (sub1 == buffer);
273 fail_unless (gst_buffer_is_writable (sub1) == TRUE);
275 /* Check that make_metadata_writable() maintains the buffer flags */
276 fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DISCONT));
277 fail_unless (GST_BUFFER_FLAG_IS_SET (sub1, GST_BUFFER_FLAG_DELTA_UNIT));
279 /* Unset flags on writable buffer, then make sure they're still
280 * set on the original buffer */
281 GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DISCONT);
282 GST_BUFFER_FLAG_UNSET (sub1, GST_BUFFER_FLAG_DELTA_UNIT);
283 fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DISCONT));
284 fail_unless (GST_BUFFER_FLAG_IS_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT));
286 /* Drop the subbuffer and check that the metadata is now writable again */
287 ASSERT_BUFFER_REFCOUNT (sub1, "sub1", 1);
288 gst_buffer_unref (sub1);
289 fail_unless (gst_buffer_is_writable (buffer) == TRUE);
291 ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
292 gst_buffer_unref (buffer);
297 GST_START_TEST (test_copy)
299 GstBuffer *buffer, *copy;
300 GstMapInfo info, sinfo;
302 buffer = gst_buffer_new_and_alloc (4);
303 ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
305 copy = gst_buffer_copy (buffer);
306 ASSERT_BUFFER_REFCOUNT (buffer, "buffer", 1);
307 ASSERT_BUFFER_REFCOUNT (copy, "copy", 1);
308 /* buffers are copied and must point to different memory */
309 fail_if (buffer == copy);
311 fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
312 fail_unless (gst_buffer_map (copy, &sinfo, GST_MAP_READ));
314 /* NOTE that data is refcounted */
315 fail_unless (info.size == sinfo.size);
317 gst_buffer_unmap (copy, &sinfo);
318 gst_buffer_unmap (buffer, &info);
320 gst_buffer_unref (copy);
321 gst_buffer_unref (buffer);
323 /* a 0-sized buffer has NULL data as per docs */
324 buffer = gst_buffer_new_and_alloc (0);
325 fail_unless (gst_buffer_map (buffer, &info, GST_MAP_READ));
326 fail_unless (info.data == NULL);
327 gst_buffer_unmap (buffer, &info);
329 /* copying a 0-sized buffer should not crash and also set
330 * the data member NULL. */
331 copy = gst_buffer_copy (buffer);
332 fail_unless (gst_buffer_map (copy, &info, GST_MAP_READ));
333 fail_unless (info.data == NULL);
334 gst_buffer_unmap (copy, &info);
336 gst_buffer_unref (copy);
337 gst_buffer_unref (buffer);
342 GST_START_TEST (test_try_new_and_alloc)
347 /* special case: alloc of 0 bytes results in new buffer with NULL data */
348 buf = gst_buffer_new_and_alloc (0);
349 fail_unless (buf != NULL);
350 fail_unless (GST_IS_BUFFER (buf));
351 fail_unless (gst_buffer_map (buf, &info, GST_MAP_READ));
352 fail_unless (info.data == NULL);
353 gst_buffer_unmap (buf, &info);
354 gst_buffer_unref (buf);
356 /* normal alloc should still work */
357 buf = gst_buffer_new_and_alloc (640 * 480 * 4);
358 fail_unless (buf != NULL);
359 fail_unless (GST_IS_BUFFER (buf));
360 fail_unless (gst_buffer_map (buf, &info, GST_MAP_WRITE));
361 fail_unless (info.data != NULL);
362 fail_unless (info.size == (640 * 480 * 4));
363 info.data[640 * 479 * 4 + 479] = 0xff;
364 gst_buffer_unmap (buf, &info);
366 gst_buffer_unref (buf);
369 /* Disabled this part of the test, because it happily succeeds on 64-bit
370 * machines that have enough memory+swap, because the address space is large
371 * enough. There's not really any way to test the failure case except by
372 * allocating chunks of memory until it fails, which would suck. */
374 /* now this better fail (don't run in valgrind, it will abort
375 * or warn when passing silly arguments to malloc) */
376 if (!RUNNING_ON_VALGRIND) {
377 buf = gst_buffer_new_and_alloc ((guint) - 1);
378 fail_unless (buf == NULL);
385 GST_START_TEST (test_size)
389 gsize maxalloc, maxalloc2, maxalloc3, maxalloc4;
390 gsize size, maxsize, offset;
392 /* one memory block */
393 buf = gst_buffer_new_allocate (NULL, 100, NULL);
395 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
396 fail_unless (size == 100);
397 fail_unless (offset == 0);
398 fail_unless (maxalloc >= 100);
400 mem = gst_buffer_get_memory (buf, 0);
401 gst_memory_resize (mem, 10, 70);
402 gst_memory_unref (mem);
404 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
405 fail_unless (size == 70);
406 fail_unless (offset == 10);
407 fail_unless (maxsize == maxalloc);
410 mem = gst_allocator_alloc (NULL, 100, NULL);
411 size = gst_memory_get_sizes (mem, &offset, &maxalloc2);
412 fail_unless (size == 100);
413 fail_unless (offset == 0);
414 fail_unless (maxalloc2 >= 100);
416 gst_memory_resize (mem, 20, 60);
417 size = gst_memory_get_sizes (mem, &offset, &maxsize);
418 fail_unless (size == 60);
419 fail_unless (offset == 20);
420 fail_unless (maxsize == maxalloc2);
423 gst_buffer_insert_memory (buf, -1, mem);
425 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
426 fail_unless (size == 130);
427 fail_unless (offset == 10);
428 /* the maxsize is the size of the first buffer plus the remaining size in the
430 fail_unless (maxalloc == 80 + (maxalloc2 - 20));
432 /* appending an empty block */
433 mem = gst_allocator_alloc (NULL, 100, NULL);
434 size = gst_memory_get_sizes (mem, &offset, &maxalloc3);
435 gst_memory_resize (mem, 0, 0);
436 gst_buffer_insert_memory (buf, -1, mem);
438 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
439 fail_unless (size == 130);
440 fail_unless (offset == 10);
441 /* the maxsize is the size of the first buffer plus the remaining size in the
442 * second buffer and the last empty buffer*/
443 fail_unless (maxalloc == 80 + (maxalloc2 - 20) + maxalloc3);
445 /* prepending an empty block */
446 mem = gst_allocator_alloc (NULL, 100, NULL);
447 size = gst_memory_get_sizes (mem, &offset, &maxalloc4);
448 gst_memory_resize (mem, 0, 0);
449 gst_buffer_insert_memory (buf, 0, mem);
451 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
452 fail_unless (size == 130);
453 /* empty buffer maxsize can be used as offset */
454 fail_unless (offset == 10 + maxalloc4);
455 /* the maxsize is the size of the first buffer plus the remaining size in the
456 * second buffer and the last empty buffer*/
457 fail_unless (maxalloc == 80 + (maxalloc2 - 20) + maxalloc3 + maxalloc4);
459 gst_buffer_unref (buf);
464 GST_START_TEST (test_resize)
468 gsize size, maxsize, offset;
470 /* one memory block */
471 buf = gst_buffer_new_allocate (NULL, 100, NULL);
473 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
474 fail_unless (size == 100);
475 fail_unless (offset == 0);
476 fail_unless (maxalloc >= 100);
478 ASSERT_CRITICAL (gst_buffer_resize (buf, 200, 50));
479 ASSERT_CRITICAL (gst_buffer_resize (buf, 0, 150));
480 ASSERT_CRITICAL (gst_buffer_resize (buf, 1, maxalloc));
481 ASSERT_CRITICAL (gst_buffer_resize (buf, maxalloc, 1));
483 /* this does nothing */
484 gst_buffer_resize (buf, 0, 100);
486 /* nothing should have changed */
487 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
488 fail_unless (size == 100);
489 fail_unless (offset == 0);
490 fail_unless (maxsize == maxalloc);
492 gst_buffer_resize (buf, 0, 50);
493 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
494 fail_unless (size == 50);
495 fail_unless (offset == 0);
496 fail_unless (maxsize == maxalloc);
498 gst_buffer_resize (buf, 0, 100);
499 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
500 fail_unless (size == 100);
501 fail_unless (offset == 0);
502 fail_unless (maxsize == maxalloc);
504 gst_buffer_resize (buf, 1, 99);
505 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
506 fail_unless (size == 99);
507 fail_unless (offset == 1);
508 fail_unless (maxsize == maxalloc);
510 ASSERT_CRITICAL (gst_buffer_resize (buf, 1, maxalloc - 1));
512 gst_buffer_resize (buf, 0, 99);
513 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
514 fail_unless (size == 99);
515 fail_unless (offset == 1);
516 fail_unless (maxsize == maxalloc);
518 gst_buffer_resize (buf, -1, 100);
519 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
520 fail_unless (size == 100);
521 fail_unless (offset == 0);
522 fail_unless (maxsize == maxalloc);
524 ASSERT_CRITICAL (gst_buffer_resize (buf, -1, 100));
526 gst_buffer_resize (buf, 50, 40);
527 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
528 fail_unless (size == 40);
529 fail_unless (offset == 50);
530 fail_unless (maxsize == maxalloc);
532 gst_buffer_resize (buf, -50, 100);
533 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
534 fail_unless (size == 100);
535 fail_unless (offset == 0);
536 fail_unless (maxsize == maxalloc);
538 gst_buffer_resize (buf, 0, 0);
539 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
540 fail_unless (size == 0);
541 fail_unless (offset == 0);
542 fail_unless (maxsize == maxalloc);
544 gst_buffer_resize (buf, 0, 100);
545 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
546 fail_unless (size == 100);
547 fail_unless (offset == 0);
548 fail_unless (maxsize == maxalloc);
550 gst_buffer_resize (buf, 0, 100);
551 size = gst_buffer_get_sizes (buf, &offset, &maxsize);
552 fail_unless (size == 100);
553 fail_unless (offset == 0);
554 fail_unless (maxsize == maxalloc);
556 gst_buffer_unref (buf);
561 GST_START_TEST (test_map)
568 buf = gst_buffer_new ();
569 gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
570 gst_buffer_insert_memory (buf, -1, gst_allocator_alloc (NULL, 50, NULL));
572 size = gst_buffer_get_sizes (buf, &offset, &maxalloc);
573 fail_unless (size == 100);
574 fail_unless (offset == 0);
575 fail_unless (maxalloc >= 100);
576 fail_unless (gst_buffer_n_memory (buf) == 2);
579 gst_buffer_ref (buf);
580 /* map should merge */
581 gst_buffer_map (buf, &map, GST_MAP_READ);
582 /* merged memory is not stored */
583 fail_unless (gst_buffer_n_memory (buf) == 2);
584 gst_buffer_unmap (buf, &map);
586 fail_unless (gst_buffer_n_memory (buf) == 2);
588 /* can't map write on readonly buffer */
589 ASSERT_CRITICAL (gst_buffer_map (buf, &map, GST_MAP_WRITE));
590 /* make writable again */
591 gst_buffer_unref (buf);
593 /* should merge and store */
594 gst_buffer_map (buf, &map, GST_MAP_READ);
595 fail_unless (gst_buffer_n_memory (buf) == 1);
596 gst_buffer_unmap (buf, &map);
598 gst_buffer_map (buf, &map, GST_MAP_WRITE);
599 gst_buffer_unmap (buf, &map);
601 gst_buffer_unref (buf);
608 gst_buffer_suite (void)
610 Suite *s = suite_create ("GstBuffer");
611 TCase *tc_chain = tcase_create ("general");
613 suite_add_tcase (s, tc_chain);
614 tcase_add_test (tc_chain, test_subbuffer);
615 tcase_add_test (tc_chain, test_subbuffer_make_writable);
616 tcase_add_test (tc_chain, test_make_writable);
617 tcase_add_test (tc_chain, test_span);
618 tcase_add_test (tc_chain, test_metadata_writable);
619 tcase_add_test (tc_chain, test_copy);
620 tcase_add_test (tc_chain, test_try_new_and_alloc);
621 tcase_add_test (tc_chain, test_size);
622 tcase_add_test (tc_chain, test_resize);
623 tcase_add_test (tc_chain, test_map);
628 GST_CHECK_MAIN (gst_buffer);