dbus/dbus-message-util.c

   1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
   2 /* dbus-message-util.c Would be in dbus-message.c, but only used by bus/tests
   3  *
   4  * Copyright (C) 2002, 2003, 2004, 2005  Red Hat Inc.
   5  * Copyright (C) 2002, 2003  CodeFactory AB
   6  *
   7  * Licensed under the Academic Free License version 2.1
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #include "dbus-internals.h"
  26 #include "dbus-test.h"
  27 #include "dbus-message-private.h"
  28 #include "dbus-marshal-recursive.h"
  29 #include "dbus-string.h"
  30
  31 /**
  32  * @addtogroup DBusMessage
  33  * @{
  34  */
  35
  36 #ifdef DBUS_BUILD_TESTS
  37 /**
  38  * Reads arguments from a message iterator given a variable argument
  39  * list. Only arguments of basic type and arrays of fixed-length
  40  * basic type may be read with this function. See
  41  * dbus_message_get_args() for more details.
  42  *
  43  * @param iter the message iterator
  44  * @param error error to be filled in on failure
  45  * @param first_arg_type the first argument type
  46  * @param ... location for first argument value, then list of type-location pairs
  47  * @returns #FALSE if the error was set
  48  */
  49 static dbus_bool_t
  50 dbus_message_iter_get_args (DBusMessageIter *iter,
  51                             DBusError       *error,
  52                             int              first_arg_type,
  53                             ...)
  54 {
  55   dbus_bool_t retval;
  56   va_list var_args;
  57
  58   _dbus_return_val_if_fail (iter != NULL, FALSE);
  59   _dbus_return_val_if_error_is_set (error, FALSE);
  60
  61   va_start (var_args, first_arg_type);
  62   retval = _dbus_message_iter_get_args_valist (iter, error, first_arg_type, var_args);
  63   va_end (var_args);
  64
  65   return retval;
  66 }
  67 #endif /* DBUS_BUILD_TESTS */
  68
  69 /** @} */
  70
  71 #ifdef DBUS_BUILD_TESTS
  72 #include "dbus-test.h"
  73 #include "dbus-message-factory.h"
  74 #include <stdio.h>
  75 #include <stdlib.h>
  76
  77 static int validities_seen[DBUS_VALIDITY_LAST + _DBUS_NEGATIVE_VALIDITY_COUNT];
  78
  79 static void
  80 reset_validities_seen (void)
  81 {
  82   int i;
  83   i = 0;
  84   while (i < _DBUS_N_ELEMENTS (validities_seen))
  85     {
  86       validities_seen[i] = 0;
  87       ++i;
  88     }
  89 }
  90
  91 static void
  92 record_validity_seen (DBusValidity validity)
  93 {
  94   validities_seen[validity + _DBUS_NEGATIVE_VALIDITY_COUNT] += 1;
  95 }
  96
  97 static void
  98 print_validities_seen (dbus_bool_t not_seen)
  99 {
 100   int i;
 101   i = 0;
 102   while (i < _DBUS_N_ELEMENTS (validities_seen))
 103     {
 104       if ((i - _DBUS_NEGATIVE_VALIDITY_COUNT) == DBUS_VALIDITY_UNKNOWN ||
 105           (i - _DBUS_NEGATIVE_VALIDITY_COUNT) == DBUS_INVALID_FOR_UNKNOWN_REASON)
 106         ;
 107       else if ((not_seen && validities_seen[i] == 0) ||
 108                (!not_seen && validities_seen[i] > 0))
 109         printf ("validity %3d seen %d times\n",
 110                 i - _DBUS_NEGATIVE_VALIDITY_COUNT,
 111                 validities_seen[i]);
 112       ++i;
 113     }
 114 }
 115
 116 static void
 117 check_memleaks (void)
 118 {
 119   dbus_shutdown ();
 120
 121   if (_dbus_get_malloc_blocks_outstanding () != 0)
 122     {
 123       _dbus_warn ("%d dbus_malloc blocks were not freed in %s\n",
 124                   _dbus_get_malloc_blocks_outstanding (), __FILE__);
 125       _dbus_assert_not_reached ("memleaks");
 126     }
 127 }
 128
 129 static dbus_bool_t
 130 check_have_valid_message (DBusMessageLoader *loader)
 131 {
 132   DBusMessage *message;
 133   dbus_bool_t retval;
 134
 135   message = NULL;
 136   retval = FALSE;
 137
 138   if (_dbus_message_loader_get_is_corrupted (loader))
 139     {
 140       _dbus_warn ("loader corrupted on message that was expected to be valid; invalid reason %d\n",
 141                   loader->corruption_reason);
 142       goto failed;
 143     }
 144
 145   message = _dbus_message_loader_pop_message (loader);
 146   if (message == NULL)
 147     {
 148       _dbus_warn ("didn't load message that was expected to be valid (message not popped)\n");
 149       goto failed;
 150     }
 151
 152   if (_dbus_string_get_length (&loader->data) > 0)
 153     {
 154       _dbus_warn ("had leftover bytes from expected-to-be-valid single message\n");
 155       goto failed;
 156     }
 157
 158 #if 0
 159   /* FIXME */
 160   /* Verify that we're able to properly deal with the message.
 161    * For example, this would detect improper handling of messages
 162    * in nonstandard byte order.
 163    */
 164   if (!check_message_handling (message))
 165     goto failed;
 166 #endif
 167
 168   record_validity_seen (DBUS_VALID);
 169
 170   retval = TRUE;
 171
 172  failed:
 173   if (message)
 174     dbus_message_unref (message);
 175
 176   return retval;
 177 }
 178
 179 static dbus_bool_t
 180 check_invalid_message (DBusMessageLoader *loader,
 181                        DBusValidity       expected_validity)
 182 {
 183   dbus_bool_t retval;
 184
 185   retval = FALSE;
 186
 187   if (!_dbus_message_loader_get_is_corrupted (loader))
 188     {
 189       _dbus_warn ("loader not corrupted on message that was expected to be invalid\n");
 190       goto failed;
 191     }
 192
 193   record_validity_seen (loader->corruption_reason);
 194
 195   if (expected_validity != DBUS_INVALID_FOR_UNKNOWN_REASON &&
 196       loader->corruption_reason != expected_validity)
 197     {
 198       _dbus_warn ("expected message to be corrupted for reason %d and was corrupted for %d instead\n",
 199                   expected_validity, loader->corruption_reason);
 200       goto failed;
 201     }
 202
 203   retval = TRUE;
 204
 205  failed:
 206   return retval;
 207 }
 208
 209 static dbus_bool_t
 210 check_incomplete_message (DBusMessageLoader *loader)
 211 {
 212   DBusMessage *message;
 213   dbus_bool_t retval;
 214
 215   message = NULL;
 216   retval = FALSE;
 217
 218   if (_dbus_message_loader_get_is_corrupted (loader))
 219     {
 220       _dbus_warn ("loader corrupted on message that was expected to be valid (but incomplete), corruption reason %d\n",
 221                   loader->corruption_reason);
 222       goto failed;
 223     }
 224
 225   message = _dbus_message_loader_pop_message (loader);
 226   if (message != NULL)
 227     {
 228       _dbus_warn ("loaded message that was expected to be incomplete\n");
 229       goto failed;
 230     }
 231
 232   record_validity_seen (DBUS_VALID_BUT_INCOMPLETE);
 233   retval = TRUE;
 234
 235  failed:
 236   if (message)
 237     dbus_message_unref (message);
 238   return retval;
 239 }
 240
 241 static dbus_bool_t
 242 check_loader_results (DBusMessageLoader      *loader,
 243                       DBusValidity            expected_validity)
 244 {
 245   if (!_dbus_message_loader_queue_messages (loader))
 246     _dbus_assert_not_reached ("no memory to queue messages");
 247
 248   if (expected_validity == DBUS_VALID)
 249     return check_have_valid_message (loader);
 250   else if (expected_validity == DBUS_VALID_BUT_INCOMPLETE)
 251     return check_incomplete_message (loader);
 252   else if (expected_validity == DBUS_VALIDITY_UNKNOWN)
 253     {
 254       /* here we just know we didn't segfault and that was the
 255        * only test. Also, we record that we got coverage
 256        * for the validity reason.
 257        */
 258       if (_dbus_message_loader_get_is_corrupted (loader))
 259         record_validity_seen (loader->corruption_reason);
 260
 261       return TRUE;
 262     }
 263   else
 264     return check_invalid_message (loader, expected_validity);
 265 }
 266
 267 /**
 268  * Loads the message in the given message file.
 269  *
 270  * @param filename filename to load
 271  * @param data string to load message into
 272  * @returns #TRUE if the message was loaded
 273  */
 274 dbus_bool_t
 275 dbus_internal_do_not_use_load_message_file (const DBusString    *filename,
 276                                             DBusString          *data)
 277 {
 278   dbus_bool_t retval;
 279   DBusError error = DBUS_ERROR_INIT;
 280
 281   retval = FALSE;
 282
 283   _dbus_verbose ("Loading raw %s\n", _dbus_string_get_const_data (filename));
 284   if (!_dbus_file_get_contents (data, filename, &error))
 285     {
 286       _dbus_warn ("Could not load message file %s: %s\n",
 287                   _dbus_string_get_const_data (filename),
 288                   error.message);
 289       dbus_error_free (&error);
 290       goto failed;
 291     }
 292
 293   retval = TRUE;
 294
 295  failed:
 296
 297   return retval;
 298 }
 299
 300 /**
 301  * Tries loading the message in the given message file
 302  * and verifies that DBusMessageLoader can handle it.
 303  *
 304  * @param filename filename to load
 305  * @param expected_validity what the message has to be like to return #TRUE
 306  * @returns #TRUE if the message has the expected validity
 307  */
 308 dbus_bool_t
 309 dbus_internal_do_not_use_try_message_file (const DBusString    *filename,
 310                                            DBusValidity         expected_validity)
 311 {
 312   DBusString data;
 313   dbus_bool_t retval;
 314
 315   retval = FALSE;
 316
 317   if (!_dbus_string_init (&data))
 318     _dbus_assert_not_reached ("could not allocate string\n");
 319
 320   if (!dbus_internal_do_not_use_load_message_file (filename, &data))
 321     goto failed;
 322
 323   retval = dbus_internal_do_not_use_try_message_data (&data, expected_validity);
 324
 325  failed:
 326
 327   if (!retval)
 328     {
 329       if (_dbus_string_get_length (&data) > 0)
 330         _dbus_verbose_bytes_of_string (&data, 0,
 331                                        _dbus_string_get_length (&data));
 332
 333       _dbus_warn ("Failed message loader test on %s\n",
 334                   _dbus_string_get_const_data (filename));
 335     }
 336
 337   _dbus_string_free (&data);
 338
 339   return retval;
 340 }
 341
 342 /**
 343  * Tries loading the given message data.
 344  *
 345  *
 346  * @param data the message data
 347  * @param expected_validity what the message has to be like to return #TRUE
 348  * @returns #TRUE if the message has the expected validity
 349  */
 350 dbus_bool_t
 351 dbus_internal_do_not_use_try_message_data (const DBusString    *data,
 352                                            DBusValidity         expected_validity)
 353 {
 354   DBusMessageLoader *loader;
 355   dbus_bool_t retval;
 356   int len;
 357   int i;
 358
 359   loader = NULL;
 360   retval = FALSE;
 361
 362   /* Write the data one byte at a time */
 363
 364   loader = _dbus_message_loader_new ();
 365
 366   /* check some trivial loader functions */
 367   _dbus_message_loader_ref (loader);
 368   _dbus_message_loader_unref (loader);
 369   _dbus_message_loader_get_max_message_size (loader);
 370
 371   len = _dbus_string_get_length (data);
 372   for (i = 0; i < len; i++)
 373     {
 374       DBusString *buffer;
 375
 376       _dbus_message_loader_get_buffer (loader, &buffer);
 377       _dbus_string_append_byte (buffer,
 378                                 _dbus_string_get_byte (data, i));
 379       _dbus_message_loader_return_buffer (loader, buffer, 1);
 380     }
 381
 382   if (!check_loader_results (loader, expected_validity))
 383     goto failed;
 384
 385   _dbus_message_loader_unref (loader);
 386   loader = NULL;
 387
 388   /* Write the data all at once */
 389
 390   loader = _dbus_message_loader_new ();
 391
 392   {
 393     DBusString *buffer;
 394
 395     _dbus_message_loader_get_buffer (loader, &buffer);
 396     _dbus_string_copy (data, 0, buffer,
 397                        _dbus_string_get_length (buffer));
 398     _dbus_message_loader_return_buffer (loader, buffer, 1);
 399   }
 400
 401   if (!check_loader_results (loader, expected_validity))
 402     goto failed;
 403
 404   _dbus_message_loader_unref (loader);
 405   loader = NULL;
 406
 407   /* Write the data 2 bytes at a time */
 408
 409   loader = _dbus_message_loader_new ();
 410
 411   len = _dbus_string_get_length (data);
 412   for (i = 0; i < len; i += 2)
 413     {
 414       DBusString *buffer;
 415
 416       _dbus_message_loader_get_buffer (loader, &buffer);
 417       _dbus_string_append_byte (buffer,
 418                                 _dbus_string_get_byte (data, i));
 419       if ((i+1) < len)
 420         _dbus_string_append_byte (buffer,
 421                                   _dbus_string_get_byte (data, i+1));
 422       _dbus_message_loader_return_buffer (loader, buffer, 1);
 423     }
 424
 425   if (!check_loader_results (loader, expected_validity))
 426     goto failed;
 427
 428   _dbus_message_loader_unref (loader);
 429   loader = NULL;
 430
 431   retval = TRUE;
 432
 433  failed:
 434
 435   if (loader)
 436     _dbus_message_loader_unref (loader);
 437
 438   return retval;
 439 }
 440
 441 static dbus_bool_t
 442 process_test_subdir (const DBusString          *test_base_dir,
 443                      const char                *subdir,
 444                      DBusValidity               expected_validity,
 445                      DBusForeachMessageFileFunc function,
 446                      void                      *user_data)
 447 {
 448   DBusString test_directory;
 449   DBusString filename;
 450   DBusDirIter *dir;
 451   dbus_bool_t retval;
 452   DBusError error = DBUS_ERROR_INIT;
 453
 454   retval = FALSE;
 455   dir = NULL;
 456
 457   if (!_dbus_string_init (&test_directory))
 458     _dbus_assert_not_reached ("didn't allocate test_directory\n");
 459
 460   _dbus_string_init_const (&filename, subdir);
 461
 462   if (!_dbus_string_copy (test_base_dir, 0,
 463                           &test_directory, 0))
 464     _dbus_assert_not_reached ("couldn't copy test_base_dir to test_directory");
 465
 466   if (!_dbus_concat_dir_and_file (&test_directory, &filename))
 467     _dbus_assert_not_reached ("couldn't allocate full path");
 468
 469   _dbus_string_free (&filename);
 470   if (!_dbus_string_init (&filename))
 471     _dbus_assert_not_reached ("didn't allocate filename string\n");
 472
 473   dir = _dbus_directory_open (&test_directory, &error);
 474   if (dir == NULL)
 475     {
 476       _dbus_warn ("Could not open %s: %s\n",
 477                   _dbus_string_get_const_data (&test_directory),
 478                   error.message);
 479       dbus_error_free (&error);
 480       goto failed;
 481     }
 482
 483   printf ("Testing %s:\n", subdir);
 484
 485  next:
 486   while (_dbus_directory_get_next_file (dir, &filename, &error))
 487     {
 488       DBusString full_path;
 489
 490       if (!_dbus_string_init (&full_path))
 491         _dbus_assert_not_reached ("couldn't init string");
 492
 493       if (!_dbus_string_copy (&test_directory, 0, &full_path, 0))
 494         _dbus_assert_not_reached ("couldn't copy dir to full_path");
 495
 496       if (!_dbus_concat_dir_and_file (&full_path, &filename))
 497         _dbus_assert_not_reached ("couldn't concat file to dir");
 498
 499       if (_dbus_string_ends_with_c_str (&filename, ".message-raw"))
 500         ;
 501       else
 502         {
 503           if (_dbus_string_ends_with_c_str (&filename, ".message"))
 504             {
 505               _dbus_warn ("Could not load %s, message builder language no longer supported\n",
 506                           _dbus_string_get_const_data (&filename));
 507             }
 508
 509           _dbus_verbose ("Skipping non-.message file %s\n",
 510                          _dbus_string_get_const_data (&filename));
 511           _dbus_string_free (&full_path);
 512           goto next;
 513         }
 514
 515       printf ("    %s\n",
 516               _dbus_string_get_const_data (&filename));
 517
 518       if (! (*function) (&full_path,
 519                          expected_validity, user_data))
 520         {
 521           _dbus_string_free (&full_path);
 522           goto failed;
 523         }
 524       else
 525         _dbus_string_free (&full_path);
 526     }
 527
 528   if (dbus_error_is_set (&error))
 529     {
 530       _dbus_warn ("Could not get next file in %s: %s\n",
 531                   _dbus_string_get_const_data (&test_directory),
 532                   error.message);
 533       dbus_error_free (&error);
 534       goto failed;
 535     }
 536
 537   retval = TRUE;
 538
 539  failed:
 540
 541   if (dir)
 542     _dbus_directory_close (dir);
 543   _dbus_string_free (&test_directory);
 544   _dbus_string_free (&filename);
 545
 546   return retval;
 547 }
 548
 549 /**
 550  * Runs the given function on every message file in the test suite.
 551  * The function should return #FALSE on test failure or fatal error.
 552  *
 553  * @param test_data_dir root dir of the test suite data files (top_srcdir/test/data)
 554  * @param func the function to run
 555  * @param user_data data for function
 556  * @returns #FALSE if there's a failure
 557  */
 558 dbus_bool_t
 559 dbus_internal_do_not_use_foreach_message_file (const char                *test_data_dir,
 560                                                DBusForeachMessageFileFunc func,
 561                                                void                      *user_data)
 562 {
 563   DBusString test_directory;
 564   dbus_bool_t retval;
 565
 566   retval = FALSE;
 567
 568   _dbus_string_init_const (&test_directory, test_data_dir);
 569
 570   if (!process_test_subdir (&test_directory, "valid-messages",
 571                             DBUS_VALID, func, user_data))
 572     goto failed;
 573
 574   check_memleaks ();
 575
 576   if (!process_test_subdir (&test_directory, "invalid-messages",
 577                             DBUS_INVALID_FOR_UNKNOWN_REASON, func, user_data))
 578     goto failed;
 579
 580   check_memleaks ();
 581
 582   if (!process_test_subdir (&test_directory, "incomplete-messages",
 583                             DBUS_VALID_BUT_INCOMPLETE, func, user_data))
 584     goto failed;
 585
 586   check_memleaks ();
 587
 588   retval = TRUE;
 589
 590  failed:
 591
 592   _dbus_string_free (&test_directory);
 593
 594   return retval;
 595 }
 596
 597 #if 0
 598 #define GET_AND_CHECK(iter, typename, literal)                                  \
 599   do {                                                                          \
 600     if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_##typename)         \
 601       _dbus_assert_not_reached ("got wrong argument type from message iter");   \
 602     dbus_message_iter_get_basic (&iter, &v_##typename);                         \
 603     if (v_##typename != literal)                                                \
 604       _dbus_assert_not_reached ("got wrong value from message iter");           \
 605   } while (0)
 606
 607 #define GET_AND_CHECK_STRCMP(iter, typename, literal)                           \
 608   do {                                                                          \
 609     if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_##typename)         \
 610       _dbus_assert_not_reached ("got wrong argument type from message iter");   \
 611     dbus_message_iter_get_basic (&iter, &v_##typename);                         \
 612     if (strcmp (v_##typename, literal) != 0)                                    \
 613       _dbus_assert_not_reached ("got wrong value from message iter");           \
 614   } while (0)
 615
 616 #define GET_AND_CHECK_AND_NEXT(iter, typename, literal)         \
 617   do {                                                          \
 618     GET_AND_CHECK(iter, typename, literal);                     \
 619     if (!dbus_message_iter_next (&iter))                        \
 620       _dbus_assert_not_reached ("failed to move iter to next"); \
 621   } while (0)
 622
 623 #define GET_AND_CHECK_STRCMP_AND_NEXT(iter, typename, literal)  \
 624   do {                                                          \
 625     GET_AND_CHECK_STRCMP(iter, typename, literal);              \
 626     if (!dbus_message_iter_next (&iter))                        \
 627       _dbus_assert_not_reached ("failed to move iter to next"); \
 628   } while (0)
 629
 630 static void
 631 message_iter_test (DBusMessage *message)
 632 {
 633   DBusMessageIter iter, array, array2;
 634   const char *v_STRING;
 635   double v_DOUBLE;
 636   dbus_int16_t v_INT16;
 637   dbus_uint16_t v_UINT16;
 638   dbus_int32_t v_INT32;
 639   dbus_uint32_t v_UINT32;
 640 #ifdef DBUS_HAVE_INT64
 641   dbus_int64_t v_INT64;
 642   dbus_uint64_t v_UINT64;
 643 #endif
 644   unsigned char v_BYTE;
 645   dbus_bool_t v_BOOLEAN;
 646
 647   const dbus_int32_t *our_int_array;
 648   int len;
 649
 650   dbus_message_iter_init (message, &iter);
 651
 652   GET_AND_CHECK_STRCMP_AND_NEXT (iter, STRING, "Test string");
 653   GET_AND_CHECK_AND_NEXT (iter, INT32, -0x12345678);
 654   GET_AND_CHECK_AND_NEXT (iter, UINT32, 0xedd1e);
 655   GET_AND_CHECK_AND_NEXT (iter, DOUBLE, 3.14159);
 656
 657   if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY)
 658     _dbus_assert_not_reached ("Argument type not an array");
 659
 660   if (dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_DOUBLE)
 661     _dbus_assert_not_reached ("Array type not double");
 662
 663   dbus_message_iter_recurse (&iter, &array);
 664
 665   GET_AND_CHECK_AND_NEXT (array, DOUBLE, 1.5);
 666   GET_AND_CHECK (array, DOUBLE, 2.5);
 667
 668   if (dbus_message_iter_next (&array))
 669     _dbus_assert_not_reached ("Didn't reach end of array");
 670
 671   if (!dbus_message_iter_next (&iter))
 672     _dbus_assert_not_reached ("Reached end of arguments");
 673
 674   GET_AND_CHECK_AND_NEXT (iter, BYTE, 0xF0);
 675
 676   if (dbus_message_iter_get_arg_type (&iter) != DBUS_TYPE_ARRAY)
 677     _dbus_assert_not_reached ("no array");
 678
 679   if (dbus_message_iter_get_element_type (&iter) != DBUS_TYPE_INT32)
 680     _dbus_assert_not_reached ("Array type not int32");
 681
 682   /* Empty array */
 683   dbus_message_iter_recurse (&iter, &array);
 684
 685   if (dbus_message_iter_next (&array))
 686     _dbus_assert_not_reached ("Didn't reach end of array");
 687
 688   if (!dbus_message_iter_next (&iter))
 689     _dbus_assert_not_reached ("Reached end of arguments");
 690
 691   GET_AND_CHECK (iter, BYTE, 0xF0);
 692
 693   if (dbus_message_iter_next (&iter))
 694     _dbus_assert_not_reached ("Didn't reach end of arguments");
 695 }
 696 #endif
 697
 698 static void
 699 verify_test_message (DBusMessage *message)
 700 {
 701   DBusMessageIter iter;
 702   DBusError error = DBUS_ERROR_INIT;
 703   dbus_int16_t our_int16;
 704   dbus_uint16_t our_uint16;
 705   dbus_int32_t our_int;
 706   dbus_uint32_t our_uint;
 707   const char *our_str;
 708   double our_double;
 709   double v_DOUBLE;
 710   dbus_bool_t our_bool;
 711   unsigned char our_byte_1, our_byte_2;
 712   const dbus_uint32_t *our_uint32_array = (void*)0xdeadbeef;
 713   int our_uint32_array_len;
 714   dbus_int32_t *our_int32_array = (void*)0xdeadbeef;
 715   int our_int32_array_len;
 716 #ifdef DBUS_HAVE_INT64
 717   dbus_int64_t our_int64;
 718   dbus_uint64_t our_uint64;
 719   dbus_int64_t *our_uint64_array = (void*)0xdeadbeef;
 720   int our_uint64_array_len;
 721   const dbus_int64_t *our_int64_array = (void*)0xdeadbeef;
 722   int our_int64_array_len;
 723 #endif
 724   const double *our_double_array = (void*)0xdeadbeef;
 725   int our_double_array_len;
 726   const unsigned char *our_byte_array = (void*)0xdeadbeef;
 727   int our_byte_array_len;
 728   const dbus_bool_t *our_boolean_array = (void*)0xdeadbeef;
 729   int our_boolean_array_len;
 730   char **our_string_array;
 731   int our_string_array_len;
 732
 733   dbus_message_iter_init (message, &iter);
 734
 735   if (!dbus_message_iter_get_args (&iter, &error,
 736                                    DBUS_TYPE_INT16, &our_int16,
 737                                    DBUS_TYPE_UINT16, &our_uint16,
 738                                    DBUS_TYPE_INT32, &our_int,
 739                                    DBUS_TYPE_UINT32, &our_uint,
 740 #ifdef DBUS_HAVE_INT64
 741                                    DBUS_TYPE_INT64, &our_int64,
 742                                    DBUS_TYPE_UINT64, &our_uint64,
 743 #endif
 744                                    DBUS_TYPE_STRING, &our_str,
 745                                    DBUS_TYPE_DOUBLE, &our_double,
 746                                    DBUS_TYPE_BOOLEAN, &our_bool,
 747                                    DBUS_TYPE_BYTE, &our_byte_1,
 748                                    DBUS_TYPE_BYTE, &our_byte_2,
 749                                    DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32,
 750                                    &our_uint32_array, &our_uint32_array_len,
 751                                    DBUS_TYPE_ARRAY, DBUS_TYPE_INT32,
 752                                    &our_int32_array, &our_int32_array_len,
 753 #ifdef DBUS_HAVE_INT64
 754                                    DBUS_TYPE_ARRAY, DBUS_TYPE_UINT64,
 755                                    &our_uint64_array, &our_uint64_array_len,
 756                                    DBUS_TYPE_ARRAY, DBUS_TYPE_INT64,
 757                                    &our_int64_array, &our_int64_array_len,
 758 #endif
 759                                    DBUS_TYPE_ARRAY, DBUS_TYPE_DOUBLE,
 760                                    &our_double_array, &our_double_array_len,
 761                                    DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE,
 762                                    &our_byte_array, &our_byte_array_len,
 763                                    DBUS_TYPE_ARRAY, DBUS_TYPE_BOOLEAN,
 764                                    &our_boolean_array, &our_boolean_array_len,
 765                                    DBUS_TYPE_ARRAY, DBUS_TYPE_STRING,
 766                                    &our_string_array, &our_string_array_len,
 767                                    0))
 768     {
 769       _dbus_warn ("error: %s - %s\n", error.name,
 770                   (error.message != NULL) ? error.message : "no message");
 771       _dbus_assert_not_reached ("Could not get arguments");
 772     }
 773
 774   if (our_int16 != -0x123)
 775     _dbus_assert_not_reached ("16-bit integers differ!");
 776
 777   if (our_uint16 != 0x123)
 778     _dbus_assert_not_reached ("16-bit uints differ!");
 779
 780   if (our_int != -0x12345678)
 781     _dbus_assert_not_reached ("integers differ!");
 782
 783   if (our_uint != 0x12300042)
 784     _dbus_assert_not_reached ("uints differ!");
 785
 786 #ifdef DBUS_HAVE_INT64
 787   if (our_int64 != DBUS_INT64_CONSTANT (-0x123456789abcd))
 788     _dbus_assert_not_reached ("64-bit integers differ!");
 789   if (our_uint64 != DBUS_UINT64_CONSTANT (0x123456789abcd))
 790     _dbus_assert_not_reached ("64-bit unsigned integers differ!");
 791 #endif
 792
 793   v_DOUBLE = 3.14159;
 794   if (! _DBUS_DOUBLES_BITWISE_EQUAL (our_double, v_DOUBLE))
 795     _dbus_assert_not_reached ("doubles differ!");
 796
 797   if (strcmp (our_str, "Test string") != 0)
 798     _dbus_assert_not_reached ("strings differ!");
 799
 800   if (!our_bool)
 801     _dbus_assert_not_reached ("booleans differ");
 802
 803   if (our_byte_1 != 42)
 804     _dbus_assert_not_reached ("bytes differ!");
 805
 806   if (our_byte_2 != 24)
 807     _dbus_assert_not_reached ("bytes differ!");
 808
 809   if (our_uint32_array_len != 4 ||
 810       our_uint32_array[0] != 0x12345678 ||
 811       our_uint32_array[1] != 0x23456781 ||
 812       our_uint32_array[2] != 0x34567812 ||
 813       our_uint32_array[3] != 0x45678123)
 814     _dbus_assert_not_reached ("uint array differs");
 815
 816   if (our_int32_array_len != 4 ||
 817       our_int32_array[0] != 0x12345678 ||
 818       our_int32_array[1] != -0x23456781 ||
 819       our_int32_array[2] != 0x34567812 ||
 820       our_int32_array[3] != -0x45678123)
 821     _dbus_assert_not_reached ("int array differs");
 822
 823 #ifdef DBUS_HAVE_INT64
 824   if (our_uint64_array_len != 4 ||
 825       our_uint64_array[0] != 0x12345678 ||
 826       our_uint64_array[1] != 0x23456781 ||
 827       our_uint64_array[2] != 0x34567812 ||
 828       our_uint64_array[3] != 0x45678123)
 829     _dbus_assert_not_reached ("uint64 array differs");
 830
 831   if (our_int64_array_len != 4 ||
 832       our_int64_array[0] != 0x12345678 ||
 833       our_int64_array[1] != -0x23456781 ||
 834       our_int64_array[2] != 0x34567812 ||
 835       our_int64_array[3] != -0x45678123)
 836     _dbus_assert_not_reached ("int64 array differs");
 837 #endif /* DBUS_HAVE_INT64 */
 838
 839   if (our_double_array_len != 3)
 840     _dbus_assert_not_reached ("double array had wrong length");
 841
 842   /* On all IEEE machines (i.e. everything sane) exact equality
 843    * should be preserved over the wire
 844    */
 845   v_DOUBLE = 0.1234;
 846   if (! _DBUS_DOUBLES_BITWISE_EQUAL (our_double_array[0], v_DOUBLE))
 847     _dbus_assert_not_reached ("double array had wrong values");
 848   v_DOUBLE = 9876.54321;
 849   if (! _DBUS_DOUBLES_BITWISE_EQUAL (our_double_array[1], v_DOUBLE))
 850     _dbus_assert_not_reached ("double array had wrong values");
 851   v_DOUBLE = -300.0;
 852   if (! _DBUS_DOUBLES_BITWISE_EQUAL (our_double_array[2], v_DOUBLE))
 853     _dbus_assert_not_reached ("double array had wrong values");
 854
 855   if (our_byte_array_len != 4)
 856     _dbus_assert_not_reached ("byte array had wrong length");
 857
 858   if (our_byte_array[0] != 'a' ||
 859       our_byte_array[1] != 'b' ||
 860       our_byte_array[2] != 'c' ||
 861       our_byte_array[3] != 234)
 862     _dbus_assert_not_reached ("byte array had wrong values");
 863
 864   if (our_boolean_array_len != 5)
 865     _dbus_assert_not_reached ("bool array had wrong length");
 866
 867   if (our_boolean_array[0] != TRUE ||
 868       our_boolean_array[1] != FALSE ||
 869       our_boolean_array[2] != TRUE ||
 870       our_boolean_array[3] != TRUE ||
 871       our_boolean_array[4] != FALSE)
 872     _dbus_assert_not_reached ("bool array had wrong values");
 873
 874   if (our_string_array_len != 4)
 875     _dbus_assert_not_reached ("string array was wrong length");
 876
 877   if (strcmp (our_string_array[0], "Foo") != 0 ||
 878       strcmp (our_string_array[1], "bar") != 0 ||
 879       strcmp (our_string_array[2], "") != 0 ||
 880       strcmp (our_string_array[3], "woo woo woo woo") != 0)
 881     _dbus_assert_not_reached ("string array had wrong values");
 882
 883   dbus_free_string_array (our_string_array);
 884
 885   if (dbus_message_iter_next (&iter))
 886     _dbus_assert_not_reached ("Didn't reach end of arguments");
 887 }
 888
 889 /**
 890  * @ingroup DBusMessageInternals
 891  * Unit test for DBusMessage.
 892  *
 893  * @returns #TRUE on success.
 894  */
 895 dbus_bool_t
 896 _dbus_message_test (const char *test_data_dir)
 897 {
 898   DBusMessage *message;
 899   DBusMessageLoader *loader;
 900   int i;
 901   const char *data;
 902   DBusMessage *copy;
 903   const char *name1;
 904   const char *name2;
 905   const dbus_uint32_t our_uint32_array[] =
 906     { 0x12345678, 0x23456781, 0x34567812, 0x45678123 };
 907   const dbus_int32_t our_int32_array[] =
 908     { 0x12345678, -0x23456781, 0x34567812, -0x45678123 };
 909   const dbus_uint32_t *v_ARRAY_UINT32 = our_uint32_array;
 910   const dbus_int32_t *v_ARRAY_INT32 = our_int32_array;
 911 #ifdef DBUS_HAVE_INT64
 912   const dbus_uint64_t our_uint64_array[] =
 913     { 0x12345678, 0x23456781, 0x34567812, 0x45678123 };
 914   const dbus_int64_t our_int64_array[] =
 915     { 0x12345678, -0x23456781, 0x34567812, -0x45678123 };
 916   const dbus_uint64_t *v_ARRAY_UINT64 = our_uint64_array;
 917   const dbus_int64_t *v_ARRAY_INT64 = our_int64_array;
 918 #endif
 919   const char *our_string_array[] = { "Foo", "bar", "", "woo woo woo woo" };
 920   const char **v_ARRAY_STRING = our_string_array;
 921   const double our_double_array[] = { 0.1234, 9876.54321, -300.0 };
 922   const double *v_ARRAY_DOUBLE = our_double_array;
 923   const unsigned char our_byte_array[] = { 'a', 'b', 'c', 234 };
 924   const unsigned char *v_ARRAY_BYTE = our_byte_array;
 925   const dbus_bool_t our_boolean_array[] = { TRUE, FALSE, TRUE, TRUE, FALSE };
 926   const dbus_bool_t *v_ARRAY_BOOLEAN = our_boolean_array;
 927   char sig[64];
 928   const char *s;
 929   const char *v_STRING;
 930   double v_DOUBLE;
 931   dbus_int16_t v_INT16;
 932   dbus_uint16_t v_UINT16;
 933   dbus_int32_t v_INT32;
 934   dbus_uint32_t v_UINT32;
 935 #ifdef DBUS_HAVE_INT64
 936   dbus_int64_t v_INT64;
 937   dbus_uint64_t v_UINT64;
 938 #endif
 939   unsigned char v_BYTE;
 940   unsigned char v2_BYTE;
 941   dbus_bool_t v_BOOLEAN;
 942
 943   message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
 944                                           "/org/freedesktop/TestPath",
 945                                           "Foo.TestInterface",
 946                                           "TestMethod");
 947   _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
 948   _dbus_assert (dbus_message_is_method_call (message, "Foo.TestInterface",
 949                                              "TestMethod"));
 950   _dbus_assert (strcmp (dbus_message_get_path (message),
 951                         "/org/freedesktop/TestPath") == 0);
 952   dbus_message_set_serial (message, 1234);
 953
 954   /* string length including nul byte not a multiple of 4 */
 955   if (!dbus_message_set_sender (message, "org.foo.bar1"))
 956     _dbus_assert_not_reached ("out of memory");
 957
 958   _dbus_assert (dbus_message_has_sender (message, "org.foo.bar1"));
 959   dbus_message_set_reply_serial (message, 5678);
 960
 961   _dbus_verbose_bytes_of_string (&message->header.data, 0,
 962                                  _dbus_string_get_length (&message->header.data));
 963   _dbus_verbose_bytes_of_string (&message->body, 0,
 964                                  _dbus_string_get_length (&message->body));
 965
 966   if (!dbus_message_set_sender (message, NULL))
 967     _dbus_assert_not_reached ("out of memory");
 968
 969
 970   _dbus_verbose_bytes_of_string (&message->header.data, 0,
 971                                  _dbus_string_get_length (&message->header.data));
 972   _dbus_verbose_bytes_of_string (&message->body, 0,
 973                                  _dbus_string_get_length (&message->body));
 974
 975
 976   _dbus_assert (!dbus_message_has_sender (message, "org.foo.bar1"));
 977   _dbus_assert (dbus_message_get_serial (message) == 1234);
 978   _dbus_assert (dbus_message_get_reply_serial (message) == 5678);
 979   _dbus_assert (dbus_message_has_destination (message, "org.freedesktop.DBus.TestService"));
 980
 981   _dbus_assert (dbus_message_get_no_reply (message) == FALSE);
 982   dbus_message_set_no_reply (message, TRUE);
 983   _dbus_assert (dbus_message_get_no_reply (message) == TRUE);
 984   dbus_message_set_no_reply (message, FALSE);
 985   _dbus_assert (dbus_message_get_no_reply (message) == FALSE);
 986
 987   /* Set/get some header fields */
 988
 989   if (!dbus_message_set_path (message, "/foo"))
 990     _dbus_assert_not_reached ("out of memory");
 991   _dbus_assert (strcmp (dbus_message_get_path (message),
 992                         "/foo") == 0);
 993
 994   if (!dbus_message_set_interface (message, "org.Foo"))
 995     _dbus_assert_not_reached ("out of memory");
 996   _dbus_assert (strcmp (dbus_message_get_interface (message),
 997                         "org.Foo") == 0);
 998
 999   if (!dbus_message_set_member (message, "Bar"))
1000     _dbus_assert_not_reached ("out of memory");
1001   _dbus_assert (strcmp (dbus_message_get_member (message),
1002                         "Bar") == 0);
1003
1004   /* Set/get them with longer values */
1005   if (!dbus_message_set_path (message, "/foo/bar"))
1006     _dbus_assert_not_reached ("out of memory");
1007   _dbus_assert (strcmp (dbus_message_get_path (message),
1008                         "/foo/bar") == 0);
1009
1010   if (!dbus_message_set_interface (message, "org.Foo.Bar"))
1011     _dbus_assert_not_reached ("out of memory");
1012   _dbus_assert (strcmp (dbus_message_get_interface (message),
1013                         "org.Foo.Bar") == 0);
1014
1015   if (!dbus_message_set_member (message, "BarFoo"))
1016     _dbus_assert_not_reached ("out of memory");
1017   _dbus_assert (strcmp (dbus_message_get_member (message),
1018                         "BarFoo") == 0);
1019
1020   /* Realloc shorter again */
1021
1022   if (!dbus_message_set_path (message, "/foo"))
1023     _dbus_assert_not_reached ("out of memory");
1024   _dbus_assert (strcmp (dbus_message_get_path (message),
1025                         "/foo") == 0);
1026
1027   if (!dbus_message_set_interface (message, "org.Foo"))
1028     _dbus_assert_not_reached ("out of memory");
1029   _dbus_assert (strcmp (dbus_message_get_interface (message),
1030                         "org.Foo") == 0);
1031
1032   if (!dbus_message_set_member (message, "Bar"))
1033     _dbus_assert_not_reached ("out of memory");
1034   _dbus_assert (strcmp (dbus_message_get_member (message),
1035                         "Bar") == 0);
1036
1037   dbus_message_unref (message);
1038
1039   /* Test the vararg functions */
1040   message = dbus_message_new_method_call ("org.freedesktop.DBus.TestService",
1041                                           "/org/freedesktop/TestPath",
1042                                           "Foo.TestInterface",
1043                                           "TestMethod");
1044   dbus_message_set_serial (message, 1);
1045   dbus_message_set_reply_serial (message, 5678);
1046
1047   v_INT16 = -0x123;
1048   v_UINT16 = 0x123;
1049   v_INT32 = -0x12345678;
1050   v_UINT32 = 0x12300042;
1051 #ifdef DBUS_HAVE_INT64
1052   v_INT64 = DBUS_INT64_CONSTANT (-0x123456789abcd);
1053   v_UINT64 = DBUS_UINT64_CONSTANT (0x123456789abcd);
1054 #endif
1055   v_STRING = "Test string";
1056   v_DOUBLE = 3.14159;
1057   v_BOOLEAN = TRUE;
1058   v_BYTE = 42;
1059   v2_BYTE = 24;
1060
1061   dbus_message_append_args (message,
1062                             DBUS_TYPE_INT16, &v_INT16,
1063                             DBUS_TYPE_UINT16, &v_UINT16,
1064                             DBUS_TYPE_INT32, &v_INT32,
1065                             DBUS_TYPE_UINT32, &v_UINT32,
1066 #ifdef DBUS_HAVE_INT64
1067                             DBUS_TYPE_INT64, &v_INT64,
1068                             DBUS_TYPE_UINT64, &v_UINT64,
1069 #endif
1070                             DBUS_TYPE_STRING, &v_STRING,
1071                             DBUS_TYPE_DOUBLE, &v_DOUBLE,
1072                             DBUS_TYPE_BOOLEAN, &v_BOOLEAN,
1073                             DBUS_TYPE_BYTE, &v_BYTE,
1074                             DBUS_TYPE_BYTE, &v2_BYTE,
1075                             DBUS_TYPE_ARRAY, DBUS_TYPE_UINT32, &v_ARRAY_UINT32,
1076                             _DBUS_N_ELEMENTS (our_uint32_array),
1077                             DBUS_TYPE_ARRAY, DBUS_TYPE_INT32, &v_ARRAY_INT32,
1078                             _DBUS_N_ELEMENTS (our_int32_array),
1079 #ifdef DBUS_HAVE_INT64
1080                             DBUS_TYPE_ARRAY, DBUS_TYPE_UINT64, &v_ARRAY_UINT64,
1081                             _DBUS_N_ELEMENTS (our_uint64_array),
1082                             DBUS_TYPE_ARRAY, DBUS_TYPE_INT64, &v_ARRAY_INT64,
1083                             _DBUS_N_ELEMENTS (our_int64_array),
1084 #endif
1085                             DBUS_TYPE_ARRAY, DBUS_TYPE_DOUBLE, &v_ARRAY_DOUBLE,
1086                             _DBUS_N_ELEMENTS (our_double_array),
1087                             DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &v_ARRAY_BYTE,
1088                             _DBUS_N_ELEMENTS (our_byte_array),
1089                             DBUS_TYPE_ARRAY, DBUS_TYPE_BOOLEAN, &v_ARRAY_BOOLEAN,
1090                             _DBUS_N_ELEMENTS (our_boolean_array),
1091                             DBUS_TYPE_ARRAY, DBUS_TYPE_STRING, &v_ARRAY_STRING,
1092                             _DBUS_N_ELEMENTS (our_string_array),
1093                             DBUS_TYPE_INVALID);
1094
1095   i = 0;
1096   sig[i++] = DBUS_TYPE_INT16;
1097   sig[i++] = DBUS_TYPE_UINT16;
1098   sig[i++] = DBUS_TYPE_INT32;
1099   sig[i++] = DBUS_TYPE_UINT32;
1100 #ifdef DBUS_HAVE_INT64
1101   sig[i++] = DBUS_TYPE_INT64;
1102   sig[i++] = DBUS_TYPE_UINT64;
1103 #endif
1104   sig[i++] = DBUS_TYPE_STRING;
1105   sig[i++] = DBUS_TYPE_DOUBLE;
1106   sig[i++] = DBUS_TYPE_BOOLEAN;
1107   sig[i++] = DBUS_TYPE_BYTE;
1108   sig[i++] = DBUS_TYPE_BYTE;
1109   sig[i++] = DBUS_TYPE_ARRAY;
1110   sig[i++] = DBUS_TYPE_UINT32;
1111   sig[i++] = DBUS_TYPE_ARRAY;
1112   sig[i++] = DBUS_TYPE_INT32;
1113 #ifdef DBUS_HAVE_INT64
1114   sig[i++] = DBUS_TYPE_ARRAY;
1115   sig[i++] = DBUS_TYPE_UINT64;
1116   sig[i++] = DBUS_TYPE_ARRAY;
1117   sig[i++] = DBUS_TYPE_INT64;
1118 #endif
1119   sig[i++] = DBUS_TYPE_ARRAY;
1120   sig[i++] = DBUS_TYPE_DOUBLE;
1121   sig[i++] = DBUS_TYPE_ARRAY;
1122   sig[i++] = DBUS_TYPE_BYTE;
1123   sig[i++] = DBUS_TYPE_ARRAY;
1124   sig[i++] = DBUS_TYPE_BOOLEAN;
1125   sig[i++] = DBUS_TYPE_ARRAY;
1126   sig[i++] = DBUS_TYPE_STRING;
1127   sig[i++] = DBUS_TYPE_INVALID;
1128
1129   _dbus_assert (i < (int) _DBUS_N_ELEMENTS (sig));
1130
1131   _dbus_verbose ("HEADER\n");
1132   _dbus_verbose_bytes_of_string (&message->header.data, 0,
1133                                  _dbus_string_get_length (&message->header.data));
1134   _dbus_verbose ("BODY\n");
1135   _dbus_verbose_bytes_of_string (&message->body, 0,
1136                                  _dbus_string_get_length (&message->body));
1137
1138   _dbus_verbose ("Signature expected \"%s\" actual \"%s\"\n",
1139                  sig, dbus_message_get_signature (message));
1140
1141   s = dbus_message_get_signature (message);
1142
1143   _dbus_assert (dbus_message_has_signature (message, sig));
1144   _dbus_assert (strcmp (s, sig) == 0);
1145
1146   verify_test_message (message);
1147
1148   copy = dbus_message_copy (message);
1149
1150   _dbus_assert (dbus_message_get_reply_serial (message) ==
1151                 dbus_message_get_reply_serial (copy));
1152   _dbus_assert (message->header.padding == copy->header.padding);
1153
1154   _dbus_assert (_dbus_string_get_length (&message->header.data) ==
1155                 _dbus_string_get_length (&copy->header.data));
1156
1157   _dbus_assert (_dbus_string_get_length (&message->body) ==
1158                 _dbus_string_get_length (&copy->body));
1159
1160   verify_test_message (copy);
1161
1162   name1 = dbus_message_get_interface (message);
1163   name2 = dbus_message_get_interface (copy);
1164
1165   _dbus_assert (strcmp (name1, name2) == 0);
1166
1167   name1 = dbus_message_get_member (message);
1168   name2 = dbus_message_get_member (copy);
1169
1170   _dbus_assert (strcmp (name1, name2) == 0);
1171
1172   dbus_message_unref (copy);
1173
1174   /* Message loader test */
1175   dbus_message_lock (message);
1176   loader = _dbus_message_loader_new ();
1177
1178   /* check ref/unref */
1179   _dbus_message_loader_ref (loader);
1180   _dbus_message_loader_unref (loader);
1181
1182   /* Write the header data one byte at a time */
1183   data = _dbus_string_get_const_data (&message->header.data);
1184   for (i = 0; i < _dbus_string_get_length (&message->header.data); i++)
1185     {
1186       DBusString *buffer;
1187
1188       _dbus_message_loader_get_buffer (loader, &buffer);
1189       _dbus_string_append_byte (buffer, data[i]);
1190       _dbus_message_loader_return_buffer (loader, buffer, 1);
1191     }
1192
1193   /* Write the body data one byte at a time */
1194   data = _dbus_string_get_const_data (&message->body);
1195   for (i = 0; i < _dbus_string_get_length (&message->body); i++)
1196     {
1197       DBusString *buffer;
1198
1199       _dbus_message_loader_get_buffer (loader, &buffer);
1200       _dbus_string_append_byte (buffer, data[i]);
1201       _dbus_message_loader_return_buffer (loader, buffer, 1);
1202     }
1203
1204   dbus_message_unref (message);
1205
1206   /* Now pop back the message */
1207   if (!_dbus_message_loader_queue_messages (loader))
1208     _dbus_assert_not_reached ("no memory to queue messages");
1209
1210   if (_dbus_message_loader_get_is_corrupted (loader))
1211     _dbus_assert_not_reached ("message loader corrupted");
1212
1213   message = _dbus_message_loader_pop_message (loader);
1214   if (!message)
1215     _dbus_assert_not_reached ("received a NULL message");
1216
1217   if (dbus_message_get_reply_serial (message) != 5678)
1218     _dbus_assert_not_reached ("reply serial fields differ");
1219
1220   verify_test_message (message);
1221
1222     {
1223       /* Marshal and demarshal the message. */
1224
1225       DBusMessage *message2;
1226       DBusError error = DBUS_ERROR_INIT;
1227       char *marshalled = NULL;
1228       int len = 0;
1229       char garbage_header[DBUS_MINIMUM_HEADER_SIZE] = "xxx";
1230
1231       if (!dbus_message_marshal (message, &marshalled, &len))
1232         _dbus_assert_not_reached ("failed to marshal message");
1233
1234       _dbus_assert (len != 0);
1235       _dbus_assert (marshalled != NULL);
1236
1237       _dbus_assert (dbus_message_demarshal_bytes_needed (marshalled, len) == len);
1238       message2 = dbus_message_demarshal (marshalled, len, &error);
1239
1240       _dbus_assert (message2 != NULL);
1241       _dbus_assert (!dbus_error_is_set (&error));
1242       verify_test_message (message2);
1243
1244       dbus_message_unref (message2);
1245       dbus_free (marshalled);
1246
1247       /* Demarshal invalid message. */
1248
1249       message2 = dbus_message_demarshal ("invalid", 7, &error);
1250       _dbus_assert (message2 == NULL);
1251       _dbus_assert (dbus_error_is_set (&error));
1252       dbus_error_free (&error);
1253
1254       /* Demarshal invalid (empty) message. */
1255
1256       message2 = dbus_message_demarshal ("", 0, &error);
1257       _dbus_assert (message2 == NULL);
1258       _dbus_assert (dbus_error_is_set (&error));
1259       dbus_error_free (&error);
1260
1261       /* Bytes needed to demarshal empty message: 0 (more) */
1262
1263       _dbus_assert (dbus_message_demarshal_bytes_needed ("", 0) == 0);
1264
1265       /* Bytes needed to demarshal invalid message: -1 (error). */
1266
1267       _dbus_assert (dbus_message_demarshal_bytes_needed (garbage_header, DBUS_MINIMUM_HEADER_SIZE) == -1);
1268     }
1269
1270   dbus_message_unref (message);
1271   _dbus_message_loader_unref (loader);
1272
1273   check_memleaks ();
1274
1275   /* Load all the sample messages from the message factory */
1276   {
1277     DBusMessageDataIter diter;
1278     DBusMessageData mdata;
1279     int count;
1280
1281     reset_validities_seen ();
1282
1283     count = 0;
1284     _dbus_message_data_iter_init (&diter);
1285
1286     while (_dbus_message_data_iter_get_and_next (&diter,
1287                                                  &mdata))
1288       {
1289         if (!dbus_internal_do_not_use_try_message_data (&mdata.data,
1290                                                         mdata.expected_validity))
1291           {
1292             _dbus_warn ("expected validity %d and did not get it\n",
1293                         mdata.expected_validity);
1294             _dbus_assert_not_reached ("message data failed");
1295           }
1296
1297         _dbus_message_data_free (&mdata);
1298
1299         count += 1;
1300       }
1301
1302     printf ("%d sample messages tested\n", count);
1303
1304     print_validities_seen (FALSE);
1305     print_validities_seen (TRUE);
1306   }
1307
1308   check_memleaks ();
1309
1310   /* Now load every message in test_data_dir if we have one */
1311   if (test_data_dir == NULL)
1312     return TRUE;
1313
1314   return dbus_internal_do_not_use_foreach_message_file (test_data_dir,
1315                                                         (DBusForeachMessageFileFunc)
1316                                                         dbus_internal_do_not_use_try_message_file,
1317                                                         NULL);
1318 }
1319
1320 #endif /* DBUS_BUILD_TESTS */