1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
2 /* dbus-message-factory.c Generator of valid and invalid message data for test suite
4 * Copyright (C) 2005 Red Hat Inc.
6 * Licensed under the Academic Free License version 2.1
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
13 * This program 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
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
25 #ifndef DOXYGEN_SHOULD_SKIP_THIS
27 #ifdef DBUS_BUILD_TESTS
28 #include "dbus-message-factory.h"
29 #include "dbus-message-private.h"
30 #include "dbus-signature.h"
31 #include "dbus-test.h"
40 #define BYTE_ORDER_OFFSET 0
42 #define BODY_LENGTH_OFFSET 4
43 #define FIELDS_ARRAY_LENGTH_OFFSET 12
46 iter_recurse (DBusMessageDataIter *iter)
49 _dbus_assert (iter->depth < _DBUS_MESSAGE_DATA_MAX_NESTING);
50 _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
54 iter_get_sequence (DBusMessageDataIter *iter)
56 _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
57 return iter->sequence_nos[iter->depth];
61 iter_set_sequence (DBusMessageDataIter *iter,
64 _dbus_assert (sequence >= 0);
65 iter->sequence_nos[iter->depth] = sequence;
69 iter_unrecurse (DBusMessageDataIter *iter)
72 _dbus_assert (iter->depth >= 0);
76 iter_next (DBusMessageDataIter *iter)
78 iter->sequence_nos[iter->depth] += 1;
82 iter_first_in_series (DBusMessageDataIter *iter)
87 while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
89 if (iter->sequence_nos[i] != 0)
96 typedef dbus_bool_t (* DBusInnerGeneratorFunc) (DBusMessageDataIter *iter,
97 DBusMessage **message_p);
98 typedef dbus_bool_t (* DBusMessageGeneratorFunc) (DBusMessageDataIter *iter,
100 DBusValidity *expected_validity);
103 set_reply_serial (DBusMessage *message)
106 _dbus_assert_not_reached ("oom");
107 if (!dbus_message_set_reply_serial (message, 100))
108 _dbus_assert_not_reached ("oom");
112 generate_trivial_inner (DBusMessageDataIter *iter,
113 DBusMessage **message_p)
115 DBusMessage *message;
117 switch (iter_get_sequence (iter))
120 message = dbus_message_new_method_call ("org.freedesktop.TextEditor",
122 "org.freedesktop.DocumentFactory",
126 message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
127 set_reply_serial (message);
130 message = dbus_message_new_signal ("/foo/bar",
131 "org.freedesktop.DocumentFactory",
135 message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
137 if (!dbus_message_set_error_name (message,
138 "org.freedesktop.TestErrorName"))
139 _dbus_assert_not_reached ("oom");
142 DBusMessageIter iter;
143 const char *v_STRING = "This is an error";
145 dbus_message_iter_init_append (message, &iter);
146 if (!dbus_message_iter_append_basic (&iter,
149 _dbus_assert_not_reached ("oom");
152 set_reply_serial (message);
159 _dbus_assert_not_reached ("oom");
161 *message_p = message;
167 generate_many_bodies_inner (DBusMessageDataIter *iter,
168 DBusMessage **message_p)
170 DBusMessage *message;
171 DBusString signature;
175 /* Keeping this small makes things go faster */
176 message = dbus_message_new_method_call ("o.z.F",
181 _dbus_assert_not_reached ("oom");
183 byte_order = _dbus_header_get_byte_order (&message->header);
185 set_reply_serial (message);
187 if (!_dbus_string_init (&signature) || !_dbus_string_init (&body))
188 _dbus_assert_not_reached ("oom");
190 if (dbus_internal_do_not_use_generate_bodies (iter_get_sequence (iter),
194 const char *v_SIGNATURE;
196 v_SIGNATURE = _dbus_string_get_const_data (&signature);
197 if (!_dbus_header_set_field_basic (&message->header,
198 DBUS_HEADER_FIELD_SIGNATURE,
201 _dbus_assert_not_reached ("oom");
203 if (!_dbus_string_move (&body, 0, &message->body, 0))
204 _dbus_assert_not_reached ("oom");
206 _dbus_marshal_set_uint32 (&message->header.data, BODY_LENGTH_OFFSET,
207 _dbus_string_get_length (&message->body),
210 *message_p = message;
214 dbus_message_unref (message);
218 _dbus_string_free (&signature);
219 _dbus_string_free (&body);
221 return *message_p != NULL;
225 generate_from_message (DBusString *data,
226 DBusValidity *expected_validity,
227 DBusMessage *message)
229 dbus_message_set_serial (message, 1);
230 dbus_message_lock (message);
232 *expected_validity = DBUS_VALID;
234 /* move for efficiency, since we'll nuke the message anyway */
235 if (!_dbus_string_move (&message->header.data, 0,
237 _dbus_assert_not_reached ("oom");
239 if (!_dbus_string_copy (&message->body, 0,
240 data, _dbus_string_get_length (data)))
241 _dbus_assert_not_reached ("oom");
245 generate_outer (DBusMessageDataIter *iter,
247 DBusValidity *expected_validity,
248 DBusInnerGeneratorFunc func)
250 DBusMessage *message;
253 if (!(*func)(iter, &message))
258 _dbus_assert (message != NULL);
260 generate_from_message (data, expected_validity, message);
262 dbus_message_unref (message);
268 generate_trivial (DBusMessageDataIter *iter,
270 DBusValidity *expected_validity)
272 return generate_outer (iter, data, expected_validity,
273 generate_trivial_inner);
277 generate_many_bodies (DBusMessageDataIter *iter,
279 DBusValidity *expected_validity)
281 return generate_outer (iter, data, expected_validity,
282 generate_many_bodies_inner);
286 simple_method_call (void)
288 DBusMessage *message;
289 /* Keeping this small makes stuff go faster */
290 message = dbus_message_new_method_call ("o.b.Q",
295 _dbus_assert_not_reached ("oom");
302 DBusMessage *message;
303 message = dbus_message_new_signal ("/f/b",
307 _dbus_assert_not_reached ("oom");
312 simple_method_return (void)
314 DBusMessage *message;
315 message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
317 _dbus_assert_not_reached ("oom");
319 set_reply_serial (message);
327 DBusMessage *message;
328 message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
330 _dbus_assert_not_reached ("oom");
332 if (!dbus_message_set_error_name (message, "foo.bar"))
333 _dbus_assert_not_reached ("oom");
335 set_reply_serial (message);
341 message_with_nesting_levels (int levels)
343 DBusMessage *message;
344 dbus_int32_t v_INT32;
345 DBusMessageIter *parents;
346 DBusMessageIter *children;
349 /* If levels is higher it breaks sig_refcount in DBusMessageRealIter
350 * in dbus-message.c, this assert is just to help you know you need
351 * to fix that if you hit it
353 _dbus_assert (levels < 256);
355 parents = dbus_new(DBusMessageIter, levels + 1);
356 children = dbus_new(DBusMessageIter, levels + 1);
359 message = simple_method_call ();
362 dbus_message_iter_init_append (message, &parents[i]);
365 dbus_message_iter_open_container (&parents[i], DBUS_TYPE_VARIANT,
367 DBUS_TYPE_INT32_AS_STRING :
368 DBUS_TYPE_VARIANT_AS_STRING,
371 parents[i] = children[i-1];
374 dbus_message_iter_append_basic (&children[i], DBUS_TYPE_INT32, &v_INT32);
377 dbus_message_iter_close_container (&parents[i], &children[i]);
388 generate_special (DBusMessageDataIter *iter,
390 DBusValidity *expected_validity)
393 DBusMessage *message;
395 dbus_int32_t v_INT32;
397 _dbus_assert (_dbus_string_get_length (data) == 0);
402 item_seq = iter_get_sequence (iter);
406 message = simple_method_call ();
407 if (!dbus_message_append_args (message,
408 DBUS_TYPE_INT32, &v_INT32,
409 DBUS_TYPE_INT32, &v_INT32,
410 DBUS_TYPE_INT32, &v_INT32,
412 _dbus_assert_not_reached ("oom");
414 _dbus_header_get_field_raw (&message->header,
415 DBUS_HEADER_FIELD_SIGNATURE,
417 generate_from_message (data, expected_validity, message);
419 /* set an invalid typecode */
420 _dbus_string_set_byte (data, pos + 1, '$');
422 *expected_validity = DBUS_INVALID_UNKNOWN_TYPECODE;
424 else if (item_seq == 1)
426 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH+2];
427 const char *v_STRING;
430 message = simple_method_call ();
431 if (!dbus_message_append_args (message,
432 DBUS_TYPE_INT32, &v_INT32,
433 DBUS_TYPE_INT32, &v_INT32,
434 DBUS_TYPE_INT32, &v_INT32,
436 _dbus_assert_not_reached ("oom");
439 while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
441 long_sig[i] = DBUS_TYPE_ARRAY;
444 long_sig[i] = DBUS_TYPE_INVALID;
447 if (!_dbus_header_set_field_basic (&message->header,
448 DBUS_HEADER_FIELD_SIGNATURE,
451 _dbus_assert_not_reached ("oom");
453 _dbus_header_get_field_raw (&message->header,
454 DBUS_HEADER_FIELD_SIGNATURE,
456 generate_from_message (data, expected_validity, message);
458 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_ARRAY_RECURSION;
460 else if (item_seq == 2)
462 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2+4];
463 const char *v_STRING;
466 message = simple_method_call ();
467 if (!dbus_message_append_args (message,
468 DBUS_TYPE_INT32, &v_INT32,
469 DBUS_TYPE_INT32, &v_INT32,
470 DBUS_TYPE_INT32, &v_INT32,
472 _dbus_assert_not_reached ("oom");
475 while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
477 long_sig[i] = DBUS_STRUCT_BEGIN_CHAR;
481 long_sig[i] = DBUS_TYPE_INT32;
484 while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2 + 3))
486 long_sig[i] = DBUS_STRUCT_END_CHAR;
489 long_sig[i] = DBUS_TYPE_INVALID;
492 if (!_dbus_header_set_field_basic (&message->header,
493 DBUS_HEADER_FIELD_SIGNATURE,
496 _dbus_assert_not_reached ("oom");
498 _dbus_header_get_field_raw (&message->header,
499 DBUS_HEADER_FIELD_SIGNATURE,
501 generate_from_message (data, expected_validity, message);
503 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_STRUCT_RECURSION;
505 else if (item_seq == 3)
507 message = simple_method_call ();
508 if (!dbus_message_append_args (message,
509 DBUS_TYPE_INT32, &v_INT32,
510 DBUS_TYPE_INT32, &v_INT32,
511 DBUS_TYPE_INT32, &v_INT32,
513 _dbus_assert_not_reached ("oom");
515 _dbus_header_get_field_raw (&message->header,
516 DBUS_HEADER_FIELD_SIGNATURE,
518 generate_from_message (data, expected_validity, message);
520 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
522 *expected_validity = DBUS_INVALID_STRUCT_STARTED_BUT_NOT_ENDED;
524 else if (item_seq == 4)
526 message = simple_method_call ();
527 if (!dbus_message_append_args (message,
528 DBUS_TYPE_INT32, &v_INT32,
529 DBUS_TYPE_INT32, &v_INT32,
530 DBUS_TYPE_INT32, &v_INT32,
532 _dbus_assert_not_reached ("oom");
534 _dbus_header_get_field_raw (&message->header,
535 DBUS_HEADER_FIELD_SIGNATURE,
537 generate_from_message (data, expected_validity, message);
539 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_END_CHAR);
541 *expected_validity = DBUS_INVALID_STRUCT_ENDED_BUT_NOT_STARTED;
543 else if (item_seq == 5)
545 message = simple_method_call ();
546 if (!dbus_message_append_args (message,
547 DBUS_TYPE_INT32, &v_INT32,
548 DBUS_TYPE_INT32, &v_INT32,
549 DBUS_TYPE_INT32, &v_INT32,
551 _dbus_assert_not_reached ("oom");
553 _dbus_header_get_field_raw (&message->header,
554 DBUS_HEADER_FIELD_SIGNATURE,
556 generate_from_message (data, expected_validity, message);
558 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
559 _dbus_string_set_byte (data, pos + 2, DBUS_STRUCT_END_CHAR);
561 *expected_validity = DBUS_INVALID_STRUCT_HAS_NO_FIELDS;
563 else if (item_seq == 6)
565 message = simple_method_call ();
566 generate_from_message (data, expected_validity, message);
568 _dbus_string_set_byte (data, TYPE_OFFSET, DBUS_MESSAGE_TYPE_INVALID);
570 *expected_validity = DBUS_INVALID_BAD_MESSAGE_TYPE;
572 else if (item_seq == 7)
574 /* Messages of unknown type are considered valid */
575 message = simple_method_call ();
576 generate_from_message (data, expected_validity, message);
578 _dbus_string_set_byte (data, TYPE_OFFSET, 100);
580 *expected_validity = DBUS_VALID;
582 else if (item_seq == 8)
586 message = simple_method_call ();
587 byte_order = _dbus_header_get_byte_order (&message->header);
588 generate_from_message (data, expected_validity, message);
590 _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
591 DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
593 _dbus_marshal_set_uint32 (data, FIELDS_ARRAY_LENGTH_OFFSET,
594 DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
596 *expected_validity = DBUS_INVALID_MESSAGE_TOO_LONG;
598 else if (item_seq == 9)
600 const char *v_STRING = "not a valid bus name";
601 message = simple_method_call ();
603 if (!_dbus_header_set_field_basic (&message->header,
604 DBUS_HEADER_FIELD_SENDER,
605 DBUS_TYPE_STRING, &v_STRING))
606 _dbus_assert_not_reached ("oom");
608 generate_from_message (data, expected_validity, message);
610 *expected_validity = DBUS_INVALID_BAD_SENDER;
612 else if (item_seq == 10)
614 message = simple_method_call ();
616 if (!dbus_message_set_interface (message, DBUS_INTERFACE_LOCAL))
617 _dbus_assert_not_reached ("oom");
619 generate_from_message (data, expected_validity, message);
621 *expected_validity = DBUS_INVALID_USES_LOCAL_INTERFACE;
623 else if (item_seq == 11)
625 message = simple_method_call ();
627 if (!dbus_message_set_path (message, DBUS_PATH_LOCAL))
628 _dbus_assert_not_reached ("oom");
630 generate_from_message (data, expected_validity, message);
632 *expected_validity = DBUS_INVALID_USES_LOCAL_PATH;
634 else if (item_seq == 12)
636 /* Method calls don't have to have interface */
637 message = simple_method_call ();
639 if (!dbus_message_set_interface (message, NULL))
640 _dbus_assert_not_reached ("oom");
642 generate_from_message (data, expected_validity, message);
644 *expected_validity = DBUS_VALID;
646 else if (item_seq == 13)
648 /* Signals require an interface */
649 message = simple_signal ();
651 if (!dbus_message_set_interface (message, NULL))
652 _dbus_assert_not_reached ("oom");
654 generate_from_message (data, expected_validity, message);
656 *expected_validity = DBUS_INVALID_MISSING_INTERFACE;
658 else if (item_seq == 14)
660 message = simple_method_return ();
662 if (!_dbus_header_delete_field (&message->header, DBUS_HEADER_FIELD_REPLY_SERIAL))
663 _dbus_assert_not_reached ("oom");
665 generate_from_message (data, expected_validity, message);
667 *expected_validity = DBUS_INVALID_MISSING_REPLY_SERIAL;
669 else if (item_seq == 15)
671 message = simple_error ();
673 if (!dbus_message_set_error_name (message, NULL))
674 _dbus_assert_not_reached ("oom");
676 generate_from_message (data, expected_validity, message);
678 *expected_validity = DBUS_INVALID_MISSING_ERROR_NAME;
680 else if (item_seq == 16)
682 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*4+10];
683 const char *v_STRING;
687 message = simple_method_call ();
688 if (!dbus_message_append_args (message,
689 DBUS_TYPE_INT32, &v_INT32,
690 DBUS_TYPE_INT32, &v_INT32,
691 DBUS_TYPE_INT32, &v_INT32,
693 _dbus_assert_not_reached ("oom");
696 while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*3 + 3))
698 long_sig[i] = DBUS_TYPE_ARRAY;
700 long_sig[i] = DBUS_DICT_ENTRY_BEGIN_CHAR;
702 long_sig[i] = DBUS_TYPE_INT32;
707 long_sig[i] = DBUS_TYPE_INT32;
712 long_sig[i] = DBUS_DICT_ENTRY_END_CHAR;
716 long_sig[i] = DBUS_TYPE_INVALID;
719 if (!_dbus_header_set_field_basic (&message->header,
720 DBUS_HEADER_FIELD_SIGNATURE,
723 _dbus_assert_not_reached ("oom");
725 _dbus_header_get_field_raw (&message->header,
726 DBUS_HEADER_FIELD_SIGNATURE,
728 generate_from_message (data, expected_validity, message);
730 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_DICT_ENTRY_RECURSION;
732 else if (item_seq == 17)
734 message = simple_method_call ();
735 if (!dbus_message_append_args (message,
736 DBUS_TYPE_INT32, &v_INT32,
737 DBUS_TYPE_INT32, &v_INT32,
738 DBUS_TYPE_INT32, &v_INT32,
740 _dbus_assert_not_reached ("oom");
742 _dbus_header_get_field_raw (&message->header,
743 DBUS_HEADER_FIELD_SIGNATURE,
745 generate_from_message (data, expected_validity, message);
747 _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
748 _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
750 *expected_validity = DBUS_INVALID_DICT_ENTRY_STARTED_BUT_NOT_ENDED;
752 else if (item_seq == 18)
754 message = simple_method_call ();
755 if (!dbus_message_append_args (message,
756 DBUS_TYPE_INT32, &v_INT32,
757 DBUS_TYPE_INT32, &v_INT32,
758 DBUS_TYPE_INT32, &v_INT32,
760 _dbus_assert_not_reached ("oom");
762 _dbus_header_get_field_raw (&message->header,
763 DBUS_HEADER_FIELD_SIGNATURE,
765 generate_from_message (data, expected_validity, message);
767 _dbus_string_set_byte (data, pos + 1, DBUS_DICT_ENTRY_END_CHAR);
769 *expected_validity = DBUS_INVALID_DICT_ENTRY_ENDED_BUT_NOT_STARTED;
771 else if (item_seq == 19)
773 message = simple_method_call ();
774 if (!dbus_message_append_args (message,
775 DBUS_TYPE_INT32, &v_INT32,
776 DBUS_TYPE_INT32, &v_INT32,
777 DBUS_TYPE_INT32, &v_INT32,
779 _dbus_assert_not_reached ("oom");
781 _dbus_header_get_field_raw (&message->header,
782 DBUS_HEADER_FIELD_SIGNATURE,
784 generate_from_message (data, expected_validity, message);
786 _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
787 _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
788 _dbus_string_set_byte (data, pos + 3, DBUS_DICT_ENTRY_END_CHAR);
790 *expected_validity = DBUS_INVALID_DICT_ENTRY_HAS_NO_FIELDS;
792 else if (item_seq == 20)
794 /* 64 levels of nesting is OK */
795 message = message_with_nesting_levels(64);
797 generate_from_message (data, expected_validity, message);
799 *expected_validity = DBUS_VALID;
801 else if (item_seq == 21)
803 /* 65 levels of nesting is not OK */
804 message = message_with_nesting_levels(65);
806 generate_from_message (data, expected_validity, message);
808 *expected_validity = DBUS_INVALID_NESTED_TOO_DEEPLY;
816 dbus_message_unref (message);
823 generate_wrong_length (DBusMessageDataIter *iter,
825 DBusValidity *expected_validity)
827 int lengths[] = { -42, -17, -16, -15, -9, -8, -7, -6, -5, -4, -3, -2, -1,
828 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 30 };
833 len_seq = iter_get_sequence (iter);
834 if (len_seq == _DBUS_N_ELEMENTS (lengths))
837 _dbus_assert (len_seq < _DBUS_N_ELEMENTS (lengths));
840 if (!generate_many_bodies (iter, data, expected_validity))
842 iter_set_sequence (iter, 0); /* reset to first body */
843 iter_unrecurse (iter);
844 iter_next (iter); /* next length adjustment */
847 iter_unrecurse (iter);
849 adjust = lengths[len_seq];
853 if ((_dbus_string_get_length (data) + adjust) < DBUS_MINIMUM_HEADER_SIZE)
854 _dbus_string_set_length (data, DBUS_MINIMUM_HEADER_SIZE);
856 _dbus_string_shorten (data, - adjust);
857 *expected_validity = DBUS_INVALID_FOR_UNKNOWN_REASON;
861 if (!_dbus_string_lengthen (data, adjust))
862 _dbus_assert_not_reached ("oom");
863 *expected_validity = DBUS_INVALID_TOO_MUCH_DATA;
872 _dbus_assert (_dbus_string_get_length (data) >= DBUS_MINIMUM_HEADER_SIZE);
874 byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
875 old_body_len = _dbus_marshal_read_uint32 (data,
879 _dbus_assert (old_body_len < _dbus_string_get_length (data));
880 new_body_len = old_body_len + adjust;
881 if (new_body_len < 0)
884 /* we just munged the header, and aren't sure how */
885 *expected_validity = DBUS_VALIDITY_UNKNOWN;
888 _dbus_verbose ("changing body len from %u to %u by adjust %d\n",
889 old_body_len, new_body_len, adjust);
891 _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
900 generate_byte_changed (DBusMessageDataIter *iter,
902 DBusValidity *expected_validity)
907 /* This is a little convoluted to make the bodies the
908 * outer loop and each byte of each body the inner
913 if (!generate_many_bodies (iter, data, expected_validity))
917 byte_seq = iter_get_sequence (iter);
919 iter_unrecurse (iter);
921 if (byte_seq == _dbus_string_get_length (data))
923 _dbus_string_set_length (data, 0);
924 /* reset byte count */
926 iter_set_sequence (iter, 0);
927 iter_unrecurse (iter);
932 /* Undo the "next" in generate_many_bodies */
933 iter_set_sequence (iter, iter_get_sequence (iter) - 1);
936 _dbus_assert (byte_seq < _dbus_string_get_length (data));
937 v_BYTE = _dbus_string_get_byte (data, byte_seq);
938 v_BYTE += byte_seq; /* arbitrary but deterministic change to the byte */
939 _dbus_string_set_byte (data, byte_seq, v_BYTE);
940 *expected_validity = DBUS_VALIDITY_UNKNOWN;
946 /* This is really expensive and doesn't add too much coverage */
949 find_next_typecode (DBusMessageDataIter *iter,
951 DBusValidity *expected_validity)
957 base_depth = iter->depth;
960 _dbus_assert (iter->depth == (base_depth + 0));
961 _dbus_string_set_length (data, 0);
963 body_seq = iter_get_sequence (iter);
965 if (!generate_many_bodies (iter, data, expected_validity))
967 /* Undo the "next" in generate_many_bodies */
968 iter_set_sequence (iter, body_seq);
973 _dbus_assert (iter->depth == (base_depth + 1));
975 byte_seq = iter_get_sequence (iter);
977 _dbus_assert (byte_seq <= _dbus_string_get_length (data));
979 if (byte_seq == _dbus_string_get_length (data))
981 /* reset byte count */
982 iter_set_sequence (iter, 0);
983 iter_unrecurse (iter);
984 _dbus_assert (iter->depth == (base_depth + 0));
985 iter_next (iter); /* go to the next body */
989 _dbus_assert (byte_seq < _dbus_string_get_length (data));
991 if (dbus_type_is_valid (_dbus_string_get_byte (data, byte_seq)))
997 _dbus_assert (byte_seq == iter_get_sequence (iter));
998 _dbus_assert (byte_seq < _dbus_string_get_length (data));
1000 iter_unrecurse (iter);
1002 _dbus_assert (iter->depth == (base_depth + 0));
1007 static const int typecodes[] = {
1019 DBUS_TYPE_OBJECT_PATH,
1020 DBUS_TYPE_SIGNATURE,
1023 DBUS_STRUCT_BEGIN_CHAR,
1024 DBUS_STRUCT_END_CHAR,
1025 DBUS_DICT_ENTRY_BEGIN_CHAR,
1026 DBUS_DICT_ENTRY_END_CHAR,
1028 255 /* random invalid typecode */
1032 generate_typecode_changed (DBusMessageDataIter *iter,
1034 DBusValidity *expected_validity)
1040 base_depth = iter->depth;
1043 _dbus_assert (iter->depth == (base_depth + 0));
1044 _dbus_string_set_length (data, 0);
1046 if (!find_next_typecode (iter, data, expected_validity))
1049 iter_recurse (iter);
1050 byte_seq = iter_get_sequence (iter);
1052 _dbus_assert (byte_seq < _dbus_string_get_length (data));
1054 iter_recurse (iter);
1055 typecode_seq = iter_get_sequence (iter);
1058 _dbus_assert (typecode_seq <= _DBUS_N_ELEMENTS (typecodes));
1060 if (typecode_seq == _DBUS_N_ELEMENTS (typecodes))
1062 _dbus_assert (iter->depth == (base_depth + 2));
1063 iter_set_sequence (iter, 0); /* reset typecode sequence */
1064 iter_unrecurse (iter);
1065 _dbus_assert (iter->depth == (base_depth + 1));
1066 iter_next (iter); /* go to the next byte_seq */
1067 iter_unrecurse (iter);
1068 _dbus_assert (iter->depth == (base_depth + 0));
1072 _dbus_assert (iter->depth == (base_depth + 2));
1073 iter_unrecurse (iter);
1074 _dbus_assert (iter->depth == (base_depth + 1));
1075 iter_unrecurse (iter);
1076 _dbus_assert (iter->depth == (base_depth + 0));
1079 printf ("Changing byte %d in message %d to %c\n",
1080 byte_seq, iter_get_sequence (iter), typecodes[typecode_seq]);
1083 _dbus_string_set_byte (data, byte_seq, typecodes[typecode_seq]);
1084 *expected_validity = DBUS_VALIDITY_UNKNOWN;
1092 dbus_uint32_t value; /* cast to signed for adjusts */
1095 static const UIntChange uint32_changes[] = {
1096 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -1 },
1097 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -2 },
1098 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -3 },
1099 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 1 },
1100 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 2 },
1101 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 3 },
1102 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX },
1103 { CHANGE_TYPE_ABSOLUTE, 0 },
1104 { CHANGE_TYPE_ABSOLUTE, 1 },
1105 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 1 },
1106 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 5 }
1110 generate_uint32_changed (DBusMessageDataIter *iter,
1112 DBusValidity *expected_validity)
1117 dbus_uint32_t v_UINT32;
1119 const UIntChange *change;
1122 /* Outer loop is each body, next loop is each change,
1123 * inner loop is each change location
1126 base_depth = iter->depth;
1129 _dbus_assert (iter->depth == (base_depth + 0));
1130 _dbus_string_set_length (data, 0);
1131 body_seq = iter_get_sequence (iter);
1133 if (!generate_many_bodies (iter, data, expected_validity))
1136 _dbus_assert (iter->depth == (base_depth + 0));
1138 iter_set_sequence (iter, body_seq); /* undo the "next" from generate_many_bodies */
1139 iter_recurse (iter);
1141 _dbus_assert (iter->depth == (base_depth + 1));
1142 change_seq = iter_get_sequence (iter);
1144 if (change_seq == _DBUS_N_ELEMENTS (uint32_changes))
1146 /* Reset change count */
1147 iter_set_sequence (iter, 0);
1148 iter_unrecurse (iter);
1153 _dbus_assert (iter->depth == (base_depth + 1));
1155 iter_recurse (iter);
1156 _dbus_assert (iter->depth == (base_depth + 2));
1157 byte_seq = iter_get_sequence (iter);
1158 /* skip 4 bytes at a time */
1163 iter_unrecurse (iter);
1165 _dbus_assert (_DBUS_ALIGN_VALUE (byte_seq, 4) == (unsigned) byte_seq);
1166 if (byte_seq >= (_dbus_string_get_length (data) - 4))
1168 /* reset byte count */
1169 _dbus_assert (iter->depth == (base_depth + 1));
1170 iter_recurse (iter);
1171 _dbus_assert (iter->depth == (base_depth + 2));
1172 iter_set_sequence (iter, 0);
1173 iter_unrecurse (iter);
1174 _dbus_assert (iter->depth == (base_depth + 1));
1179 _dbus_assert (byte_seq <= (_dbus_string_get_length (data) - 4));
1181 byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
1183 v_UINT32 = _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL);
1185 change = &uint32_changes[change_seq];
1187 if (change->type == CHANGE_TYPE_ADJUST)
1189 v_UINT32 += (int) change->value;
1193 v_UINT32 = change->value;
1197 printf ("body %d change %d pos %d ",
1198 body_seq, change_seq, byte_seq);
1200 if (change->type == CHANGE_TYPE_ADJUST)
1201 printf ("adjust by %d", (int) change->value);
1203 printf ("set to %u", change->value);
1205 printf (" \t%u -> %u\n",
1206 _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL),
1210 _dbus_marshal_set_uint32 (data, byte_seq, v_UINT32, byte_order);
1211 *expected_validity = DBUS_VALIDITY_UNKNOWN;
1213 _dbus_assert (iter->depth == (base_depth + 1));
1214 iter_unrecurse (iter);
1215 _dbus_assert (iter->depth == (base_depth + 0));
1223 DBusMessageGeneratorFunc func;
1224 } DBusMessageGenerator;
1226 static const DBusMessageGenerator generators[] = {
1227 { "trivial example of each message type", generate_trivial },
1228 { "assorted arguments", generate_many_bodies },
1229 { "assorted special cases", generate_special },
1230 { "each uint32 modified", generate_uint32_changed },
1231 { "wrong body lengths", generate_wrong_length },
1232 { "each byte modified", generate_byte_changed },
1234 /* This is really expensive and doesn't add too much coverage */
1235 { "change each typecode", generate_typecode_changed }
1240 _dbus_message_data_free (DBusMessageData *data)
1242 _dbus_string_free (&data->data);
1246 _dbus_message_data_iter_init (DBusMessageDataIter *iter)
1252 while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
1254 iter->sequence_nos[i] = 0;
1261 _dbus_message_data_iter_get_and_next (DBusMessageDataIter *iter,
1262 DBusMessageData *data)
1264 DBusMessageGeneratorFunc func;
1268 generator = iter_get_sequence (iter);
1270 if (generator == _DBUS_N_ELEMENTS (generators))
1273 iter_recurse (iter);
1275 if (iter_first_in_series (iter))
1277 printf (" testing message loading: %s ", generators[generator].name);
1281 func = generators[generator].func;
1283 if (!_dbus_string_init (&data->data))
1284 _dbus_assert_not_reached ("oom");
1286 if ((*func)(iter, &data->data, &data->expected_validity))
1290 iter_set_sequence (iter, 0);
1291 iter_unrecurse (iter);
1292 iter_next (iter); /* next generator */
1293 _dbus_string_free (&data->data);
1294 printf ("%d test loads cumulative\n", iter->count);
1297 iter_unrecurse (iter);
1303 #endif /* !DOXYGEN_SHOULD_SKIP_THIS */
1305 #endif /* DBUS_BUILD_TESTS */