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-test.h"
39 #define BYTE_ORDER_OFFSET 0
41 #define BODY_LENGTH_OFFSET 4
42 #define FIELDS_ARRAY_LENGTH_OFFSET 12
45 iter_recurse (DBusMessageDataIter *iter)
48 _dbus_assert (iter->depth < _DBUS_MESSAGE_DATA_MAX_NESTING);
49 _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
53 iter_get_sequence (DBusMessageDataIter *iter)
55 _dbus_assert (iter->sequence_nos[iter->depth] >= 0);
56 return iter->sequence_nos[iter->depth];
60 iter_set_sequence (DBusMessageDataIter *iter,
63 _dbus_assert (sequence >= 0);
64 iter->sequence_nos[iter->depth] = sequence;
68 iter_unrecurse (DBusMessageDataIter *iter)
71 _dbus_assert (iter->depth >= 0);
75 iter_next (DBusMessageDataIter *iter)
77 iter->sequence_nos[iter->depth] += 1;
81 iter_first_in_series (DBusMessageDataIter *iter)
86 while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
88 if (iter->sequence_nos[i] != 0)
95 typedef dbus_bool_t (* DBusInnerGeneratorFunc) (DBusMessageDataIter *iter,
96 DBusMessage **message_p);
97 typedef dbus_bool_t (* DBusMessageGeneratorFunc) (DBusMessageDataIter *iter,
99 DBusValidity *expected_validity);
102 set_reply_serial (DBusMessage *message)
105 _dbus_assert_not_reached ("oom");
106 if (!dbus_message_set_reply_serial (message, 100))
107 _dbus_assert_not_reached ("oom");
111 generate_trivial_inner (DBusMessageDataIter *iter,
112 DBusMessage **message_p)
114 DBusMessage *message;
116 switch (iter_get_sequence (iter))
119 message = dbus_message_new_method_call ("org.freedesktop.TextEditor",
121 "org.freedesktop.DocumentFactory",
125 message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
126 set_reply_serial (message);
129 message = dbus_message_new_signal ("/foo/bar",
130 "org.freedesktop.DocumentFactory",
134 message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
136 if (!dbus_message_set_error_name (message,
137 "org.freedesktop.TestErrorName"))
138 _dbus_assert_not_reached ("oom");
141 DBusMessageIter iter;
142 const char *v_STRING = "This is an error";
144 dbus_message_iter_init_append (message, &iter);
145 if (!dbus_message_iter_append_basic (&iter,
148 _dbus_assert_not_reached ("oom");
151 set_reply_serial (message);
158 _dbus_assert_not_reached ("oom");
160 *message_p = message;
166 generate_many_bodies_inner (DBusMessageDataIter *iter,
167 DBusMessage **message_p)
169 DBusMessage *message;
170 DBusString signature;
173 /* Keeping this small makes things go faster */
174 message = dbus_message_new_method_call ("o.z.F",
179 _dbus_assert_not_reached ("oom");
181 set_reply_serial (message);
183 if (!_dbus_string_init (&signature) || !_dbus_string_init (&body))
184 _dbus_assert_not_reached ("oom");
186 if (dbus_internal_do_not_use_generate_bodies (iter_get_sequence (iter),
190 const char *v_SIGNATURE;
192 v_SIGNATURE = _dbus_string_get_const_data (&signature);
193 if (!_dbus_header_set_field_basic (&message->header,
194 DBUS_HEADER_FIELD_SIGNATURE,
197 _dbus_assert_not_reached ("oom");
199 if (!_dbus_string_move (&body, 0, &message->body, 0))
200 _dbus_assert_not_reached ("oom");
202 _dbus_marshal_set_uint32 (&message->header.data, BODY_LENGTH_OFFSET,
203 _dbus_string_get_length (&message->body),
204 message->byte_order);
206 *message_p = message;
210 dbus_message_unref (message);
214 _dbus_string_free (&signature);
215 _dbus_string_free (&body);
217 return *message_p != NULL;
221 generate_from_message (DBusString *data,
222 DBusValidity *expected_validity,
223 DBusMessage *message)
225 dbus_message_set_serial (message, 1);
226 dbus_message_lock (message);
228 *expected_validity = DBUS_VALID;
230 /* move for efficiency, since we'll nuke the message anyway */
231 if (!_dbus_string_move (&message->header.data, 0,
233 _dbus_assert_not_reached ("oom");
235 if (!_dbus_string_copy (&message->body, 0,
236 data, _dbus_string_get_length (data)))
237 _dbus_assert_not_reached ("oom");
241 generate_outer (DBusMessageDataIter *iter,
243 DBusValidity *expected_validity,
244 DBusInnerGeneratorFunc func)
246 DBusMessage *message;
249 if (!(*func)(iter, &message))
254 _dbus_assert (message != NULL);
256 generate_from_message (data, expected_validity, message);
258 dbus_message_unref (message);
264 generate_trivial (DBusMessageDataIter *iter,
266 DBusValidity *expected_validity)
268 return generate_outer (iter, data, expected_validity,
269 generate_trivial_inner);
273 generate_many_bodies (DBusMessageDataIter *iter,
275 DBusValidity *expected_validity)
277 return generate_outer (iter, data, expected_validity,
278 generate_many_bodies_inner);
282 simple_method_call (void)
284 DBusMessage *message;
285 /* Keeping this small makes stuff go faster */
286 message = dbus_message_new_method_call ("o.b.Q",
291 _dbus_assert_not_reached ("oom");
298 DBusMessage *message;
299 message = dbus_message_new_signal ("/f/b",
303 _dbus_assert_not_reached ("oom");
308 simple_method_return (void)
310 DBusMessage *message;
311 message = dbus_message_new (DBUS_MESSAGE_TYPE_METHOD_RETURN);
313 _dbus_assert_not_reached ("oom");
315 set_reply_serial (message);
323 DBusMessage *message;
324 message = dbus_message_new (DBUS_MESSAGE_TYPE_ERROR);
326 _dbus_assert_not_reached ("oom");
328 if (!dbus_message_set_error_name (message, "foo.bar"))
329 _dbus_assert_not_reached ("oom");
331 set_reply_serial (message);
337 message_with_nesting_levels (int levels)
339 DBusMessage *message;
340 dbus_int32_t v_INT32;
341 DBusMessageIter *parents;
342 DBusMessageIter *children;
345 /* If levels is higher it breaks sig_refcount in DBusMessageRealIter
346 * in dbus-message.c, this assert is just to help you know you need
347 * to fix that if you hit it
349 _dbus_assert (levels < 256);
351 parents = dbus_new(DBusMessageIter, levels + 1);
352 children = dbus_new(DBusMessageIter, levels + 1);
355 message = simple_method_call ();
358 dbus_message_iter_init_append (message, &parents[i]);
361 dbus_message_iter_open_container (&parents[i], DBUS_TYPE_VARIANT,
363 DBUS_TYPE_INT32_AS_STRING :
364 DBUS_TYPE_VARIANT_AS_STRING,
367 parents[i] = children[i-1];
370 dbus_message_iter_append_basic (&children[i], DBUS_TYPE_INT32, &v_INT32);
373 dbus_message_iter_close_container (&parents[i], &children[i]);
384 generate_special (DBusMessageDataIter *iter,
386 DBusValidity *expected_validity)
389 DBusMessage *message;
391 dbus_int32_t v_INT32;
393 _dbus_assert (_dbus_string_get_length (data) == 0);
398 item_seq = iter_get_sequence (iter);
402 message = simple_method_call ();
403 if (!dbus_message_append_args (message,
404 DBUS_TYPE_INT32, &v_INT32,
405 DBUS_TYPE_INT32, &v_INT32,
406 DBUS_TYPE_INT32, &v_INT32,
408 _dbus_assert_not_reached ("oom");
410 _dbus_header_get_field_raw (&message->header,
411 DBUS_HEADER_FIELD_SIGNATURE,
413 generate_from_message (data, expected_validity, message);
415 /* set an invalid typecode */
416 _dbus_string_set_byte (data, pos + 1, '$');
418 *expected_validity = DBUS_INVALID_UNKNOWN_TYPECODE;
420 else if (item_seq == 1)
422 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH+2];
423 const char *v_STRING;
426 message = simple_method_call ();
427 if (!dbus_message_append_args (message,
428 DBUS_TYPE_INT32, &v_INT32,
429 DBUS_TYPE_INT32, &v_INT32,
430 DBUS_TYPE_INT32, &v_INT32,
432 _dbus_assert_not_reached ("oom");
435 while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
437 long_sig[i] = DBUS_TYPE_ARRAY;
440 long_sig[i] = DBUS_TYPE_INVALID;
443 if (!_dbus_header_set_field_basic (&message->header,
444 DBUS_HEADER_FIELD_SIGNATURE,
447 _dbus_assert_not_reached ("oom");
449 _dbus_header_get_field_raw (&message->header,
450 DBUS_HEADER_FIELD_SIGNATURE,
452 generate_from_message (data, expected_validity, message);
454 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_ARRAY_RECURSION;
456 else if (item_seq == 2)
458 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2+4];
459 const char *v_STRING;
462 message = simple_method_call ();
463 if (!dbus_message_append_args (message,
464 DBUS_TYPE_INT32, &v_INT32,
465 DBUS_TYPE_INT32, &v_INT32,
466 DBUS_TYPE_INT32, &v_INT32,
468 _dbus_assert_not_reached ("oom");
471 while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH + 1))
473 long_sig[i] = DBUS_STRUCT_BEGIN_CHAR;
477 long_sig[i] = DBUS_TYPE_INT32;
480 while (i < (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*2 + 3))
482 long_sig[i] = DBUS_STRUCT_END_CHAR;
485 long_sig[i] = DBUS_TYPE_INVALID;
488 if (!_dbus_header_set_field_basic (&message->header,
489 DBUS_HEADER_FIELD_SIGNATURE,
492 _dbus_assert_not_reached ("oom");
494 _dbus_header_get_field_raw (&message->header,
495 DBUS_HEADER_FIELD_SIGNATURE,
497 generate_from_message (data, expected_validity, message);
499 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_STRUCT_RECURSION;
501 else if (item_seq == 3)
503 message = simple_method_call ();
504 if (!dbus_message_append_args (message,
505 DBUS_TYPE_INT32, &v_INT32,
506 DBUS_TYPE_INT32, &v_INT32,
507 DBUS_TYPE_INT32, &v_INT32,
509 _dbus_assert_not_reached ("oom");
511 _dbus_header_get_field_raw (&message->header,
512 DBUS_HEADER_FIELD_SIGNATURE,
514 generate_from_message (data, expected_validity, message);
516 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
518 *expected_validity = DBUS_INVALID_STRUCT_STARTED_BUT_NOT_ENDED;
520 else if (item_seq == 4)
522 message = simple_method_call ();
523 if (!dbus_message_append_args (message,
524 DBUS_TYPE_INT32, &v_INT32,
525 DBUS_TYPE_INT32, &v_INT32,
526 DBUS_TYPE_INT32, &v_INT32,
528 _dbus_assert_not_reached ("oom");
530 _dbus_header_get_field_raw (&message->header,
531 DBUS_HEADER_FIELD_SIGNATURE,
533 generate_from_message (data, expected_validity, message);
535 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_END_CHAR);
537 *expected_validity = DBUS_INVALID_STRUCT_ENDED_BUT_NOT_STARTED;
539 else if (item_seq == 5)
541 message = simple_method_call ();
542 if (!dbus_message_append_args (message,
543 DBUS_TYPE_INT32, &v_INT32,
544 DBUS_TYPE_INT32, &v_INT32,
545 DBUS_TYPE_INT32, &v_INT32,
547 _dbus_assert_not_reached ("oom");
549 _dbus_header_get_field_raw (&message->header,
550 DBUS_HEADER_FIELD_SIGNATURE,
552 generate_from_message (data, expected_validity, message);
554 _dbus_string_set_byte (data, pos + 1, DBUS_STRUCT_BEGIN_CHAR);
555 _dbus_string_set_byte (data, pos + 2, DBUS_STRUCT_END_CHAR);
557 *expected_validity = DBUS_INVALID_STRUCT_HAS_NO_FIELDS;
559 else if (item_seq == 6)
561 message = simple_method_call ();
562 generate_from_message (data, expected_validity, message);
564 _dbus_string_set_byte (data, TYPE_OFFSET, DBUS_MESSAGE_TYPE_INVALID);
566 *expected_validity = DBUS_INVALID_BAD_MESSAGE_TYPE;
568 else if (item_seq == 7)
570 /* Messages of unknown type are considered valid */
571 message = simple_method_call ();
572 generate_from_message (data, expected_validity, message);
574 _dbus_string_set_byte (data, TYPE_OFFSET, 100);
576 *expected_validity = DBUS_VALID;
578 else if (item_seq == 8)
580 message = simple_method_call ();
581 generate_from_message (data, expected_validity, message);
583 _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
584 DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
585 message->byte_order);
586 _dbus_marshal_set_uint32 (data, FIELDS_ARRAY_LENGTH_OFFSET,
587 DBUS_MAXIMUM_MESSAGE_LENGTH / 2 + 4,
588 message->byte_order);
589 *expected_validity = DBUS_INVALID_MESSAGE_TOO_LONG;
591 else if (item_seq == 9)
593 const char *v_STRING = "not a valid bus name";
594 message = simple_method_call ();
596 if (!_dbus_header_set_field_basic (&message->header,
597 DBUS_HEADER_FIELD_SENDER,
598 DBUS_TYPE_STRING, &v_STRING))
599 _dbus_assert_not_reached ("oom");
601 generate_from_message (data, expected_validity, message);
603 *expected_validity = DBUS_INVALID_BAD_SENDER;
605 else if (item_seq == 10)
607 message = simple_method_call ();
609 if (!dbus_message_set_interface (message, DBUS_INTERFACE_LOCAL))
610 _dbus_assert_not_reached ("oom");
612 generate_from_message (data, expected_validity, message);
614 *expected_validity = DBUS_INVALID_USES_LOCAL_INTERFACE;
616 else if (item_seq == 11)
618 message = simple_method_call ();
620 if (!dbus_message_set_path (message, DBUS_PATH_LOCAL))
621 _dbus_assert_not_reached ("oom");
623 generate_from_message (data, expected_validity, message);
625 *expected_validity = DBUS_INVALID_USES_LOCAL_PATH;
627 else if (item_seq == 12)
629 /* Method calls don't have to have interface */
630 message = simple_method_call ();
632 if (!dbus_message_set_interface (message, NULL))
633 _dbus_assert_not_reached ("oom");
635 generate_from_message (data, expected_validity, message);
637 *expected_validity = DBUS_VALID;
639 else if (item_seq == 13)
641 /* Signals require an interface */
642 message = simple_signal ();
644 if (!dbus_message_set_interface (message, NULL))
645 _dbus_assert_not_reached ("oom");
647 generate_from_message (data, expected_validity, message);
649 *expected_validity = DBUS_INVALID_MISSING_INTERFACE;
651 else if (item_seq == 14)
653 message = simple_method_return ();
655 if (!_dbus_header_delete_field (&message->header, DBUS_HEADER_FIELD_REPLY_SERIAL))
656 _dbus_assert_not_reached ("oom");
658 generate_from_message (data, expected_validity, message);
660 *expected_validity = DBUS_INVALID_MISSING_REPLY_SERIAL;
662 else if (item_seq == 15)
664 message = simple_error ();
666 if (!dbus_message_set_error_name (message, NULL))
667 _dbus_assert_not_reached ("oom");
669 generate_from_message (data, expected_validity, message);
671 *expected_validity = DBUS_INVALID_MISSING_ERROR_NAME;
673 else if (item_seq == 16)
675 char long_sig[DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*4+10];
676 const char *v_STRING;
680 message = simple_method_call ();
681 if (!dbus_message_append_args (message,
682 DBUS_TYPE_INT32, &v_INT32,
683 DBUS_TYPE_INT32, &v_INT32,
684 DBUS_TYPE_INT32, &v_INT32,
686 _dbus_assert_not_reached ("oom");
689 while (i <= (DBUS_MAXIMUM_TYPE_RECURSION_DEPTH*3 + 3))
691 long_sig[i] = DBUS_TYPE_ARRAY;
693 long_sig[i] = DBUS_DICT_ENTRY_BEGIN_CHAR;
695 long_sig[i] = DBUS_TYPE_INT32;
700 long_sig[i] = DBUS_TYPE_INT32;
705 long_sig[i] = DBUS_DICT_ENTRY_END_CHAR;
709 long_sig[i] = DBUS_TYPE_INVALID;
712 if (!_dbus_header_set_field_basic (&message->header,
713 DBUS_HEADER_FIELD_SIGNATURE,
716 _dbus_assert_not_reached ("oom");
718 _dbus_header_get_field_raw (&message->header,
719 DBUS_HEADER_FIELD_SIGNATURE,
721 generate_from_message (data, expected_validity, message);
723 *expected_validity = DBUS_INVALID_EXCEEDED_MAXIMUM_DICT_ENTRY_RECURSION;
725 else if (item_seq == 17)
727 message = simple_method_call ();
728 if (!dbus_message_append_args (message,
729 DBUS_TYPE_INT32, &v_INT32,
730 DBUS_TYPE_INT32, &v_INT32,
731 DBUS_TYPE_INT32, &v_INT32,
733 _dbus_assert_not_reached ("oom");
735 _dbus_header_get_field_raw (&message->header,
736 DBUS_HEADER_FIELD_SIGNATURE,
738 generate_from_message (data, expected_validity, message);
740 _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
741 _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
743 *expected_validity = DBUS_INVALID_DICT_ENTRY_STARTED_BUT_NOT_ENDED;
745 else if (item_seq == 18)
747 message = simple_method_call ();
748 if (!dbus_message_append_args (message,
749 DBUS_TYPE_INT32, &v_INT32,
750 DBUS_TYPE_INT32, &v_INT32,
751 DBUS_TYPE_INT32, &v_INT32,
753 _dbus_assert_not_reached ("oom");
755 _dbus_header_get_field_raw (&message->header,
756 DBUS_HEADER_FIELD_SIGNATURE,
758 generate_from_message (data, expected_validity, message);
760 _dbus_string_set_byte (data, pos + 1, DBUS_DICT_ENTRY_END_CHAR);
762 *expected_validity = DBUS_INVALID_DICT_ENTRY_ENDED_BUT_NOT_STARTED;
764 else if (item_seq == 19)
766 message = simple_method_call ();
767 if (!dbus_message_append_args (message,
768 DBUS_TYPE_INT32, &v_INT32,
769 DBUS_TYPE_INT32, &v_INT32,
770 DBUS_TYPE_INT32, &v_INT32,
772 _dbus_assert_not_reached ("oom");
774 _dbus_header_get_field_raw (&message->header,
775 DBUS_HEADER_FIELD_SIGNATURE,
777 generate_from_message (data, expected_validity, message);
779 _dbus_string_set_byte (data, pos + 1, DBUS_TYPE_ARRAY);
780 _dbus_string_set_byte (data, pos + 2, DBUS_DICT_ENTRY_BEGIN_CHAR);
781 _dbus_string_set_byte (data, pos + 3, DBUS_DICT_ENTRY_END_CHAR);
783 *expected_validity = DBUS_INVALID_DICT_ENTRY_HAS_NO_FIELDS;
785 else if (item_seq == 20)
787 /* 64 levels of nesting is OK */
788 message = message_with_nesting_levels(64);
790 generate_from_message (data, expected_validity, message);
792 *expected_validity = DBUS_VALID;
794 else if (item_seq == 21)
796 /* 65 levels of nesting is not OK */
797 message = message_with_nesting_levels(65);
799 generate_from_message (data, expected_validity, message);
801 *expected_validity = DBUS_INVALID_NESTED_TOO_DEEPLY;
809 dbus_message_unref (message);
816 generate_wrong_length (DBusMessageDataIter *iter,
818 DBusValidity *expected_validity)
820 int lengths[] = { -42, -17, -16, -15, -9, -8, -7, -6, -5, -4, -3, -2, -1,
821 1, 2, 3, 4, 5, 6, 7, 8, 9, 15, 16, 30 };
826 len_seq = iter_get_sequence (iter);
827 if (len_seq == _DBUS_N_ELEMENTS (lengths))
830 _dbus_assert (len_seq < _DBUS_N_ELEMENTS (lengths));
833 if (!generate_many_bodies (iter, data, expected_validity))
835 iter_set_sequence (iter, 0); /* reset to first body */
836 iter_unrecurse (iter);
837 iter_next (iter); /* next length adjustment */
840 iter_unrecurse (iter);
842 adjust = lengths[len_seq];
846 if ((_dbus_string_get_length (data) + adjust) < DBUS_MINIMUM_HEADER_SIZE)
847 _dbus_string_set_length (data, DBUS_MINIMUM_HEADER_SIZE);
849 _dbus_string_shorten (data, - adjust);
850 *expected_validity = DBUS_INVALID_FOR_UNKNOWN_REASON;
854 if (!_dbus_string_lengthen (data, adjust))
855 _dbus_assert_not_reached ("oom");
856 *expected_validity = DBUS_INVALID_TOO_MUCH_DATA;
865 _dbus_assert (_dbus_string_get_length (data) >= DBUS_MINIMUM_HEADER_SIZE);
867 byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
868 old_body_len = _dbus_marshal_read_uint32 (data,
872 _dbus_assert (old_body_len < _dbus_string_get_length (data));
873 new_body_len = old_body_len + adjust;
874 if (new_body_len < 0)
877 /* we just munged the header, and aren't sure how */
878 *expected_validity = DBUS_VALIDITY_UNKNOWN;
881 _dbus_verbose ("changing body len from %u to %u by adjust %d\n",
882 old_body_len, new_body_len, adjust);
884 _dbus_marshal_set_uint32 (data, BODY_LENGTH_OFFSET,
893 generate_byte_changed (DBusMessageDataIter *iter,
895 DBusValidity *expected_validity)
900 /* This is a little convoluted to make the bodies the
901 * outer loop and each byte of each body the inner
906 if (!generate_many_bodies (iter, data, expected_validity))
910 byte_seq = iter_get_sequence (iter);
912 iter_unrecurse (iter);
914 if (byte_seq == _dbus_string_get_length (data))
916 _dbus_string_set_length (data, 0);
917 /* reset byte count */
919 iter_set_sequence (iter, 0);
920 iter_unrecurse (iter);
925 /* Undo the "next" in generate_many_bodies */
926 iter_set_sequence (iter, iter_get_sequence (iter) - 1);
929 _dbus_assert (byte_seq < _dbus_string_get_length (data));
930 v_BYTE = _dbus_string_get_byte (data, byte_seq);
931 v_BYTE += byte_seq; /* arbitrary but deterministic change to the byte */
932 _dbus_string_set_byte (data, byte_seq, v_BYTE);
933 *expected_validity = DBUS_VALIDITY_UNKNOWN;
939 find_next_typecode (DBusMessageDataIter *iter,
941 DBusValidity *expected_validity)
947 base_depth = iter->depth;
950 _dbus_assert (iter->depth == (base_depth + 0));
951 _dbus_string_set_length (data, 0);
953 body_seq = iter_get_sequence (iter);
955 if (!generate_many_bodies (iter, data, expected_validity))
957 /* Undo the "next" in generate_many_bodies */
958 iter_set_sequence (iter, body_seq);
963 _dbus_assert (iter->depth == (base_depth + 1));
965 byte_seq = iter_get_sequence (iter);
967 _dbus_assert (byte_seq <= _dbus_string_get_length (data));
969 if (byte_seq == _dbus_string_get_length (data))
971 /* reset byte count */
972 iter_set_sequence (iter, 0);
973 iter_unrecurse (iter);
974 _dbus_assert (iter->depth == (base_depth + 0));
975 iter_next (iter); /* go to the next body */
979 _dbus_assert (byte_seq < _dbus_string_get_length (data));
981 if (_dbus_type_is_valid (_dbus_string_get_byte (data, byte_seq)))
987 _dbus_assert (byte_seq == iter_get_sequence (iter));
988 _dbus_assert (byte_seq < _dbus_string_get_length (data));
990 iter_unrecurse (iter);
992 _dbus_assert (iter->depth == (base_depth + 0));
997 static const int typecodes[] = {
1009 DBUS_TYPE_OBJECT_PATH,
1010 DBUS_TYPE_SIGNATURE,
1013 DBUS_STRUCT_BEGIN_CHAR,
1014 DBUS_STRUCT_END_CHAR,
1015 DBUS_DICT_ENTRY_BEGIN_CHAR,
1016 DBUS_DICT_ENTRY_END_CHAR,
1018 255 /* random invalid typecode */
1022 generate_typecode_changed (DBusMessageDataIter *iter,
1024 DBusValidity *expected_validity)
1030 base_depth = iter->depth;
1033 _dbus_assert (iter->depth == (base_depth + 0));
1034 _dbus_string_set_length (data, 0);
1036 if (!find_next_typecode (iter, data, expected_validity))
1039 iter_recurse (iter);
1040 byte_seq = iter_get_sequence (iter);
1042 _dbus_assert (byte_seq < _dbus_string_get_length (data));
1044 iter_recurse (iter);
1045 typecode_seq = iter_get_sequence (iter);
1048 _dbus_assert (typecode_seq <= _DBUS_N_ELEMENTS (typecodes));
1050 if (typecode_seq == _DBUS_N_ELEMENTS (typecodes))
1052 _dbus_assert (iter->depth == (base_depth + 2));
1053 iter_set_sequence (iter, 0); /* reset typecode sequence */
1054 iter_unrecurse (iter);
1055 _dbus_assert (iter->depth == (base_depth + 1));
1056 iter_next (iter); /* go to the next byte_seq */
1057 iter_unrecurse (iter);
1058 _dbus_assert (iter->depth == (base_depth + 0));
1062 _dbus_assert (iter->depth == (base_depth + 2));
1063 iter_unrecurse (iter);
1064 _dbus_assert (iter->depth == (base_depth + 1));
1065 iter_unrecurse (iter);
1066 _dbus_assert (iter->depth == (base_depth + 0));
1069 printf ("Changing byte %d in message %d to %c\n",
1070 byte_seq, iter_get_sequence (iter), typecodes[typecode_seq]);
1073 _dbus_string_set_byte (data, byte_seq, typecodes[typecode_seq]);
1074 *expected_validity = DBUS_VALIDITY_UNKNOWN;
1081 dbus_uint32_t value; /* cast to signed for adjusts */
1084 static const UIntChange uint32_changes[] = {
1085 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -1 },
1086 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -2 },
1087 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) -3 },
1088 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 1 },
1089 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 2 },
1090 { CHANGE_TYPE_ADJUST, (dbus_uint32_t) 3 },
1091 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX },
1092 { CHANGE_TYPE_ABSOLUTE, 0 },
1093 { CHANGE_TYPE_ABSOLUTE, 1 },
1094 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 1 },
1095 { CHANGE_TYPE_ABSOLUTE, _DBUS_UINT32_MAX - 5 }
1099 generate_uint32_changed (DBusMessageDataIter *iter,
1101 DBusValidity *expected_validity)
1106 dbus_uint32_t v_UINT32;
1108 const UIntChange *change;
1111 /* Outer loop is each body, next loop is each change,
1112 * inner loop is each change location
1115 base_depth = iter->depth;
1118 _dbus_assert (iter->depth == (base_depth + 0));
1119 _dbus_string_set_length (data, 0);
1120 body_seq = iter_get_sequence (iter);
1122 if (!generate_many_bodies (iter, data, expected_validity))
1125 _dbus_assert (iter->depth == (base_depth + 0));
1127 iter_set_sequence (iter, body_seq); /* undo the "next" from generate_many_bodies */
1128 iter_recurse (iter);
1130 _dbus_assert (iter->depth == (base_depth + 1));
1131 change_seq = iter_get_sequence (iter);
1133 if (change_seq == _DBUS_N_ELEMENTS (uint32_changes))
1135 /* Reset change count */
1136 iter_set_sequence (iter, 0);
1137 iter_unrecurse (iter);
1142 _dbus_assert (iter->depth == (base_depth + 1));
1144 iter_recurse (iter);
1145 _dbus_assert (iter->depth == (base_depth + 2));
1146 byte_seq = iter_get_sequence (iter);
1147 /* skip 4 bytes at a time */
1152 iter_unrecurse (iter);
1154 _dbus_assert (_DBUS_ALIGN_VALUE (byte_seq, 4) == (unsigned) byte_seq);
1155 if (byte_seq >= (_dbus_string_get_length (data) - 4))
1157 /* reset byte count */
1158 _dbus_assert (iter->depth == (base_depth + 1));
1159 iter_recurse (iter);
1160 _dbus_assert (iter->depth == (base_depth + 2));
1161 iter_set_sequence (iter, 0);
1162 iter_unrecurse (iter);
1163 _dbus_assert (iter->depth == (base_depth + 1));
1168 _dbus_assert (byte_seq <= (_dbus_string_get_length (data) - 4));
1170 byte_order = _dbus_string_get_byte (data, BYTE_ORDER_OFFSET);
1172 v_UINT32 = _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL);
1174 change = &uint32_changes[change_seq];
1176 if (change->type == CHANGE_TYPE_ADJUST)
1178 v_UINT32 += (int) change->value;
1182 v_UINT32 = change->value;
1186 printf ("body %d change %d pos %d ",
1187 body_seq, change_seq, byte_seq);
1189 if (change->type == CHANGE_TYPE_ADJUST)
1190 printf ("adjust by %d", (int) change->value);
1192 printf ("set to %u", change->value);
1194 printf (" \t%u -> %u\n",
1195 _dbus_marshal_read_uint32 (data, byte_seq, byte_order, NULL),
1199 _dbus_marshal_set_uint32 (data, byte_seq, v_UINT32, byte_order);
1200 *expected_validity = DBUS_VALIDITY_UNKNOWN;
1202 _dbus_assert (iter->depth == (base_depth + 1));
1203 iter_unrecurse (iter);
1204 _dbus_assert (iter->depth == (base_depth + 0));
1212 DBusMessageGeneratorFunc func;
1213 } DBusMessageGenerator;
1215 static const DBusMessageGenerator generators[] = {
1216 { "trivial example of each message type", generate_trivial },
1217 { "assorted arguments", generate_many_bodies },
1218 { "assorted special cases", generate_special },
1219 { "each uint32 modified", generate_uint32_changed },
1220 { "wrong body lengths", generate_wrong_length },
1221 { "each byte modified", generate_byte_changed },
1223 /* This is really expensive and doesn't add too much coverage */
1224 { "change each typecode", generate_typecode_changed }
1229 _dbus_message_data_free (DBusMessageData *data)
1231 _dbus_string_free (&data->data);
1235 _dbus_message_data_iter_init (DBusMessageDataIter *iter)
1241 while (i < _DBUS_MESSAGE_DATA_MAX_NESTING)
1243 iter->sequence_nos[i] = 0;
1250 _dbus_message_data_iter_get_and_next (DBusMessageDataIter *iter,
1251 DBusMessageData *data)
1253 DBusMessageGeneratorFunc func;
1257 generator = iter_get_sequence (iter);
1259 if (generator == _DBUS_N_ELEMENTS (generators))
1262 iter_recurse (iter);
1264 if (iter_first_in_series (iter))
1266 printf (" testing message loading: %s ", generators[generator].name);
1270 func = generators[generator].func;
1272 if (!_dbus_string_init (&data->data))
1273 _dbus_assert_not_reached ("oom");
1275 if ((*func)(iter, &data->data, &data->expected_validity))
1279 iter_set_sequence (iter, 0);
1280 iter_unrecurse (iter);
1281 iter_next (iter); /* next generator */
1282 _dbus_string_free (&data->data);
1283 printf ("%d test loads cumulative\n", iter->count);
1286 iter_unrecurse (iter);
1292 #endif /* !DOXYGEN_SHOULD_SKIP_THIS */
1294 #endif /* DBUS_BUILD_TESTS */