glib/gtester.c

   1 /* GLib testing framework runner
   2  * Copyright (C) 2007 Sven Herzberg
   3  * Copyright (C) 2007 Tim Janik
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20 #include <glib.h>
  21 #include <gstdio.h>
  22 #include <string.h>
  23 #include <stdlib.h>
  24 #include <unistd.h>
  25 #include <fcntl.h>
  26 #include <sys/wait.h>
  27 #include <errno.h>
  28 #include <signal.h>
  29
  30 /* the read buffer size in bytes */
  31 #define READ_BUFFER_SIZE 4096
  32
  33 /* --- prototypes --- */
  34 static int      main_selftest   (int    argc,
  35                                  char **argv);
  36 static void     parse_args      (gint           *argc_p,
  37                                  gchar        ***argv_p);
  38
  39 /* --- variables --- */
  40 static GIOChannel  *ioc_report = NULL;
  41 static gboolean     gtester_quiet = FALSE;
  42 static gboolean     gtester_verbose = FALSE;
  43 static gboolean     gtester_list_tests = FALSE;
  44 static gboolean     gtester_selftest = FALSE;
  45 static gboolean     subtest_running = FALSE;
  46 static gint         subtest_exitstatus = 0;
  47 static gboolean     subtest_io_pending = FALSE;
  48 static gboolean     subtest_quiet = TRUE;
  49 static gboolean     subtest_verbose = FALSE;
  50 static gboolean     subtest_mode_fatal = TRUE;
  51 static gboolean     subtest_mode_perf = FALSE;
  52 static gboolean     subtest_mode_quick = TRUE;
  53 static const gchar *subtest_seedstr = NULL;
  54 static gchar       *subtest_last_seed = NULL;
  55 static GSList      *subtest_paths = NULL;
  56 static GSList      *skipped_paths = NULL;
  57 static GSList      *subtest_args = NULL;
  58 static gboolean     testcase_open = FALSE;
  59 static guint        testcase_count = 0;
  60 static guint        testcase_fail_count = 0;
  61 static const gchar *output_filename = NULL;
  62 static guint        log_indent = 0;
  63 static gint         log_fd = -1;
  64
  65 /* --- functions --- */
  66 static const char*
  67 sindent (guint n)
  68 {
  69   static const char spaces[] = "                                                                                                    ";
  70   int l = sizeof (spaces) - 1;
  71   n = MIN (n, l);
  72   return spaces + l - n;
  73 }
  74
  75 static void G_GNUC_PRINTF (1, 2)
  76 test_log_printfe (const char *format,
  77                   ...)
  78 {
  79   char *result;
  80   int r;
  81   va_list args;
  82   va_start (args, format);
  83   result = g_markup_vprintf_escaped (format, args);
  84   va_end (args);
  85   do
  86     r = write (log_fd, result, strlen (result));
  87   while (r < 0 && errno == EINTR);
  88   g_free (result);
  89 }
  90
  91 static void
  92 terminate (void)
  93 {
  94   kill (getpid(), SIGTERM);
  95   abort();
  96 }
  97
  98 static void
  99 testcase_close (long double duration,
 100                 gint        exit_status,
 101                 guint       n_forks)
 102 {
 103   g_return_if_fail (testcase_open > 0);
 104   test_log_printfe ("%s<duration>%.6Lf</duration>\n", sindent (log_indent), duration);
 105   test_log_printfe ("%s<status exit-status=\"%d\" n-forks=\"%d\" result=\"%s\"/>\n",
 106                     sindent (log_indent), exit_status, n_forks,
 107                     exit_status ? "failed" : "success");
 108   log_indent -= 2;
 109   test_log_printfe ("%s</testcase>\n", sindent (log_indent));
 110   testcase_open--;
 111   if (gtester_verbose)
 112     g_print ("%s\n", exit_status ? "FAIL" : "OK");
 113   if (exit_status && subtest_last_seed)
 114     g_print ("GTester: last random seed: %s\n", subtest_last_seed);
 115   if (exit_status)
 116     testcase_fail_count += 1;
 117   if (subtest_mode_fatal && exit_status)
 118     terminate();
 119 }
 120
 121 static void
 122 test_log_msg (GTestLogMsg *msg)
 123 {
 124   switch (msg->log_type)
 125     {
 126       guint i;
 127       gchar **strv;
 128     case G_TEST_LOG_NONE:
 129       break;
 130     case G_TEST_LOG_ERROR:
 131       strv = g_strsplit (msg->strings[0], "\n", -1);
 132       for (i = 0; strv[i]; i++)
 133         test_log_printfe ("%s<error>%s</error>\n", sindent (log_indent), strv[i]);
 134       g_strfreev (strv);
 135       break;
 136     case G_TEST_LOG_START_BINARY:
 137       test_log_printfe ("%s<binary file=\"%s\"/>\n", sindent (log_indent), msg->strings[0]);
 138       subtest_last_seed = g_strdup (msg->strings[1]);
 139       test_log_printfe ("%s<random-seed>%s</random-seed>\n", sindent (log_indent), subtest_last_seed);
 140       break;
 141     case G_TEST_LOG_LIST_CASE:
 142       g_print ("%s\n", msg->strings[0]);
 143       break;
 144     case G_TEST_LOG_START_CASE:
 145       testcase_count++;
 146       if (gtester_verbose)
 147         {
 148           gchar *sc = g_strconcat (msg->strings[0], ":", NULL);
 149           gchar *sleft = g_strdup_printf ("%-68s", sc);
 150           g_free (sc);
 151           g_print ("%70s ", sleft);
 152           g_free (sleft);
 153         }
 154       g_return_if_fail (testcase_open == 0);
 155       testcase_open++;
 156       test_log_printfe ("%s<testcase path=\"%s\">\n", sindent (log_indent), msg->strings[0]);
 157       log_indent += 2;
 158       break;
 159     case G_TEST_LOG_SKIP_CASE:
 160       if (FALSE && gtester_verbose) /* enable to debug test case skipping logic */
 161         {
 162           gchar *sc = g_strconcat (msg->strings[0], ":", NULL);
 163           gchar *sleft = g_strdup_printf ("%-68s", sc);
 164           g_free (sc);
 165           g_print ("%70s SKIPPED\n", sleft);
 166           g_free (sleft);
 167         }
 168       test_log_printfe ("%s<testcase path=\"%s\" skipped=\"1\"/>\n", sindent (log_indent), msg->strings[0]);
 169       break;
 170     case G_TEST_LOG_STOP_CASE:
 171       testcase_close (msg->nums[2], (int) msg->nums[0], (int) msg->nums[1]);
 172       break;
 173     case G_TEST_LOG_MIN_RESULT:
 174     case G_TEST_LOG_MAX_RESULT:
 175       test_log_printfe ("%s<performance minimize=\"%d\" maximize=\"%d\" value=\"%.16Lg\">\n",
 176                         sindent (log_indent), msg->log_type == G_TEST_LOG_MIN_RESULT, msg->log_type == G_TEST_LOG_MAX_RESULT, msg->nums[0]);
 177       test_log_printfe ("%s%s\n", sindent (log_indent + 2), msg->strings[0]);
 178       test_log_printfe ("%s</performance>\n", sindent (log_indent));
 179       break;
 180     case G_TEST_LOG_MESSAGE:
 181       test_log_printfe ("%s<message>\n%s\n%s</message>\n", sindent (log_indent), msg->strings[0], sindent (log_indent));
 182       break;
 183     }
 184 }
 185
 186 static gboolean
 187 child_report_cb (GIOChannel  *source,
 188                  GIOCondition condition,
 189                  gpointer     data)
 190 {
 191   GTestLogBuffer *tlb = data;
 192   GIOStatus status = G_IO_STATUS_NORMAL;
 193   gboolean first_read_eof = FALSE, first_read = TRUE;
 194   gsize length = 0;
 195   do
 196     {
 197       guint8 buffer[READ_BUFFER_SIZE];
 198       GError *error = NULL;
 199       status = g_io_channel_read_chars (source, (gchar*) buffer, sizeof (buffer), &length, &error);
 200       if (first_read && (condition & G_IO_IN))
 201         {
 202           /* on some unixes (MacOS) we need to detect non-blocking fd EOF
 203            * by an IO_IN select/poll followed by read()==0.
 204            */
 205           first_read_eof = length == 0;
 206         }
 207       first_read = FALSE;
 208       if (length)
 209         {
 210           GTestLogMsg *msg;
 211           g_test_log_buffer_push (tlb, length, buffer);
 212           do
 213             {
 214               msg = g_test_log_buffer_pop (tlb);
 215               if (msg)
 216                 {
 217                   test_log_msg (msg);
 218                   g_test_log_msg_free (msg);
 219                 }
 220             }
 221           while (msg);
 222         }
 223       g_clear_error (&error);
 224       /* ignore the io channel status, which will report intermediate EOFs for non blocking fds */
 225       (void) status;
 226     }
 227   while (length > 0);
 228   /* g_print ("LASTIOSTATE: first_read_eof=%d condition=%d\n", first_read_eof, condition); */
 229   if (first_read_eof || (condition & (G_IO_ERR | G_IO_HUP)))
 230     {
 231       /* if there's no data to read and select() reports an error or hangup,
 232        * the fd must have been closed remotely
 233        */
 234       subtest_io_pending = FALSE;
 235       return FALSE;
 236     }
 237   return TRUE; /* keep polling */
 238 }
 239
 240 static void
 241 child_watch_cb (GPid     pid,
 242                 gint     status,
 243                 gpointer data)
 244 {
 245   g_spawn_close_pid (pid);
 246   if (WIFEXITED (status)) /* normal exit */
 247     subtest_exitstatus = WEXITSTATUS (status);
 248   else /* signal or core dump, etc */
 249     subtest_exitstatus = 0xffffffff;
 250   subtest_running = FALSE;
 251 }
 252
 253 static gchar*
 254 queue_gfree (GSList **slistp,
 255              gchar   *string)
 256 {
 257   *slistp = g_slist_prepend (*slistp, string);
 258   return string;
 259 }
 260
 261 static void
 262 unset_cloexec_fdp (gpointer fdp_data)
 263 {
 264   int r, *fdp = fdp_data;
 265   do
 266     r = fcntl (*fdp, F_SETFD, 0 /* FD_CLOEXEC */);
 267   while (r < 0 && errno == EINTR);
 268 }
 269
 270 static gboolean
 271 launch_test_binary (const char *binary,
 272                     guint       skip_tests)
 273 {
 274   GTestLogBuffer *tlb;
 275   GSList *slist, *free_list = NULL;
 276   GError *error = NULL;
 277   int argc = 0;
 278   const gchar **argv;
 279   GPid pid = 0;
 280   gint report_pipe[2] = { -1, -1 };
 281   guint child_report_cb_id = 0;
 282   gboolean loop_pending;
 283   gint i = 0;
 284
 285   if (pipe (report_pipe) < 0)
 286     {
 287       if (subtest_mode_fatal)
 288         g_error ("Failed to open pipe for test binary: %s: %s", binary, g_strerror (errno));
 289       else
 290         g_warning ("Failed to open pipe for test binary: %s: %s", binary, g_strerror (errno));
 291       return FALSE;
 292     }
 293
 294   /* setup argc */
 295   for (slist = subtest_args; slist; slist = slist->next)
 296     argc++;
 297   /* argc++; */
 298   if (subtest_quiet)
 299     argc++;
 300   if (subtest_verbose)
 301     argc++;
 302   if (!subtest_mode_fatal)
 303     argc++;
 304   if (subtest_mode_quick)
 305     argc++;
 306   else
 307     argc++;
 308   if (subtest_mode_perf)
 309     argc++;
 310   if (gtester_list_tests)
 311     argc++;
 312   if (subtest_seedstr)
 313     argc++;
 314   argc++;
 315   if (skip_tests)
 316     argc++;
 317   for (slist = subtest_paths; slist; slist = slist->next)
 318     argc++;
 319   for (slist = skipped_paths; slist; slist = slist->next)
 320     argc++;
 321
 322   /* setup argv */
 323   argv = g_malloc ((argc + 2) * sizeof(gchar *));
 324   argv[i++] = binary;
 325   for (slist = subtest_args; slist; slist = slist->next)
 326     argv[i++] = (gchar*) slist->data;
 327   /* argv[i++] = "--debug-log"; */
 328   if (subtest_quiet)
 329     argv[i++] = "--quiet";
 330   if (subtest_verbose)
 331     argv[i++] = "--verbose";
 332   if (!subtest_mode_fatal)
 333     argv[i++] = "--keep-going";
 334   if (subtest_mode_quick)
 335     argv[i++] = "-m=quick";
 336   else
 337     argv[i++] = "-m=slow";
 338   if (subtest_mode_perf)
 339     argv[i++] = "-m=perf";
 340   if (gtester_list_tests)
 341     argv[i++] = "-l";
 342   if (subtest_seedstr)
 343     argv[i++] = queue_gfree (&free_list, g_strdup_printf ("--seed=%s", subtest_seedstr));
 344   argv[i++] = queue_gfree (&free_list, g_strdup_printf ("--GTestLogFD=%u", report_pipe[1]));
 345   if (skip_tests)
 346     argv[i++] = queue_gfree (&free_list, g_strdup_printf ("--GTestSkipCount=%u", skip_tests));
 347   for (slist = subtest_paths; slist; slist = slist->next)
 348     argv[i++] = queue_gfree (&free_list, g_strdup_printf ("-p=%s", (gchar*) slist->data));
 349   for (slist = skipped_paths; slist; slist = slist->next)
 350     argv[i++] = queue_gfree (&free_list, g_strdup_printf ("-s=%s", (gchar*) slist->data));
 351   argv[i++] = NULL;
 352
 353   g_spawn_async_with_pipes (NULL, /* g_get_current_dir() */
 354                             (gchar**) argv,
 355                             NULL, /* envp */
 356                             G_SPAWN_DO_NOT_REAP_CHILD, /* G_SPAWN_SEARCH_PATH */
 357                             unset_cloexec_fdp, &report_pipe[1], /* pre-exec callback */
 358                             &pid,
 359                             NULL,       /* standard_input */
 360                             NULL,       /* standard_output */
 361                             NULL,       /* standard_error */
 362                             &error);
 363   g_slist_foreach (free_list, (void(*)(void*,void*)) g_free, NULL);
 364   g_slist_free (free_list);
 365   free_list = NULL;
 366   close (report_pipe[1]);
 367
 368   if (!gtester_quiet)
 369     g_print ("(pid=%lu)\n", (unsigned long) pid);
 370
 371   if (error)
 372     {
 373       close (report_pipe[0]);
 374       if (subtest_mode_fatal)
 375         g_error ("Failed to execute test binary: %s: %s", argv[0], error->message);
 376       else
 377         g_warning ("Failed to execute test binary: %s: %s", argv[0], error->message);
 378       g_clear_error (&error);
 379       g_free (argv);
 380       return FALSE;
 381     }
 382   g_free (argv);
 383
 384   subtest_running = TRUE;
 385   subtest_io_pending = TRUE;
 386   tlb = g_test_log_buffer_new();
 387   if (report_pipe[0] >= 0)
 388     {
 389       ioc_report = g_io_channel_unix_new (report_pipe[0]);
 390       g_io_channel_set_flags (ioc_report, G_IO_FLAG_NONBLOCK, NULL);
 391       g_io_channel_set_encoding (ioc_report, NULL, NULL);
 392       g_io_channel_set_buffered (ioc_report, FALSE);
 393       child_report_cb_id = g_io_add_watch_full (ioc_report, G_PRIORITY_DEFAULT - 1, G_IO_IN | G_IO_ERR | G_IO_HUP, child_report_cb, tlb, NULL);
 394       g_io_channel_unref (ioc_report);
 395     }
 396   g_child_watch_add_full (G_PRIORITY_DEFAULT + 1, pid, child_watch_cb, NULL, NULL);
 397
 398   loop_pending = g_main_context_pending (NULL);
 399   while (subtest_running ||     /* FALSE once child exits */
 400          subtest_io_pending ||  /* FALSE once ioc_report closes */
 401          loop_pending)          /* TRUE while idler, etc are running */
 402     {
 403       /* g_print ("LOOPSTATE: subtest_running=%d subtest_io_pending=%d\n", subtest_running, subtest_io_pending); */
 404       /* check for unexpected hangs that are not signalled on report_pipe */
 405       if (!subtest_running &&   /* child exited */
 406           subtest_io_pending && /* no EOF detected on report_pipe */
 407           !loop_pending)        /* no IO events pending however */
 408         break;
 409       g_main_context_iteration (NULL, TRUE);
 410       loop_pending = g_main_context_pending (NULL);
 411     }
 412
 413   g_source_remove (child_report_cb_id);
 414   close (report_pipe[0]);
 415   g_test_log_buffer_free (tlb);
 416
 417   return TRUE;
 418 }
 419
 420 static void
 421 launch_test (const char *binary)
 422 {
 423   gboolean success = TRUE;
 424   GTimer *btimer = g_timer_new();
 425   gboolean need_restart;
 426
 427   testcase_count = 0;
 428   if (!gtester_quiet)
 429     g_print ("TEST: %s... ", binary);
 430
 431  retry:
 432   test_log_printfe ("%s<testbinary path=\"%s\">\n", sindent (log_indent), binary);
 433   log_indent += 2;
 434   g_timer_start (btimer);
 435   subtest_exitstatus = 0;
 436   success &= launch_test_binary (binary, testcase_count);
 437   success &= subtest_exitstatus == 0;
 438   need_restart = testcase_open != 0;
 439   if (testcase_open)
 440     testcase_close (0, -256, 0);
 441   g_timer_stop (btimer);
 442   test_log_printfe ("%s<duration>%.6f</duration>\n", sindent (log_indent), g_timer_elapsed (btimer, NULL));
 443   log_indent -= 2;
 444   test_log_printfe ("%s</testbinary>\n", sindent (log_indent));
 445   g_free (subtest_last_seed);
 446   subtest_last_seed = NULL;
 447   if (need_restart)
 448     {
 449       /* restart test binary, skipping processed test cases */
 450       goto retry;
 451     }
 452
 453   /* count the inability to run a test as a failure */
 454   if (!success && testcase_count == 0)
 455     testcase_fail_count++;
 456
 457   if (!gtester_quiet)
 458     g_print ("%s: %s\n", !success ? "FAIL" : "PASS", binary);
 459   g_timer_destroy (btimer);
 460   if (subtest_mode_fatal && !success)
 461     terminate();
 462 }
 463
 464 static void
 465 usage (gboolean just_version)
 466 {
 467   if (just_version)
 468     {
 469       g_print ("gtester version %d.%d.%d\n", GLIB_MAJOR_VERSION, GLIB_MINOR_VERSION, GLIB_MICRO_VERSION);
 470       return;
 471     }
 472   g_print ("Usage: gtester [OPTIONS] testprogram...\n");
 473   /*        12345678901234567890123456789012345678901234567890123456789012345678901234567890 */
 474   g_print ("Options:\n");
 475   g_print ("  -h, --help                  show this help message\n");
 476   g_print ("  -v, --version               print version informations\n");
 477   g_print ("  --g-fatal-warnings          make warnings fatal (abort)\n");
 478   g_print ("  -k, --keep-going            continue running after tests failed\n");
 479   g_print ("  -l                          list paths of available test cases\n");
 480   g_print ("  -m=perf, -m=slow, -m=quick -m=thorough\n");
 481   g_print ("                              run test cases in mode perf, slow/thorough or quick (default)\n");
 482   g_print ("  -p=TESTPATH                 only start test cases matching TESTPATH\n");
 483   g_print ("  -s=TESTPATH                 skip test cases matching TESTPATH\n");
 484   g_print ("  --seed=SEEDSTRING           start all tests with random number seed SEEDSTRING\n");
 485   g_print ("  -o=LOGFILE                  write the test log to LOGFILE\n");
 486   g_print ("  -q, --quiet                 suppress per test binary output\n");
 487   g_print ("  --verbose                   report success per testcase\n");
 488 }
 489
 490 static void
 491 parse_args (gint    *argc_p,
 492             gchar ***argv_p)
 493 {
 494   guint argc = *argc_p;
 495   gchar **argv = *argv_p;
 496   guint i, e;
 497   /* parse known args */
 498   for (i = 1; i < argc; i++)
 499     {
 500       if (strcmp (argv[i], "--g-fatal-warnings") == 0)
 501         {
 502           GLogLevelFlags fatal_mask = (GLogLevelFlags) g_log_set_always_fatal ((GLogLevelFlags) G_LOG_FATAL_MASK);
 503           fatal_mask = (GLogLevelFlags) (fatal_mask | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL);
 504           g_log_set_always_fatal (fatal_mask);
 505           argv[i] = NULL;
 506         }
 507       else if (strcmp (argv[i], "--gtester-selftest") == 0)
 508         {
 509           gtester_selftest = TRUE;
 510           argv[i] = NULL;
 511           break;        /* stop parsing regular gtester arguments */
 512         }
 513       else if (strcmp (argv[i], "-h") == 0 || strcmp (argv[i], "--help") == 0)
 514         {
 515           usage (FALSE);
 516           exit (0);
 517           argv[i] = NULL;
 518         }
 519       else if (strcmp (argv[i], "-v") == 0 || strcmp (argv[i], "--version") == 0)
 520         {
 521           usage (TRUE);
 522           exit (0);
 523           argv[i] = NULL;
 524         }
 525       else if (strcmp (argv[i], "--keep-going") == 0 ||
 526                strcmp (argv[i], "-k") == 0)
 527         {
 528           subtest_mode_fatal = FALSE;
 529           argv[i] = NULL;
 530         }
 531       else if (strcmp ("-p", argv[i]) == 0 || strncmp ("-p=", argv[i], 3) == 0)
 532         {
 533           gchar *equal = argv[i] + 2;
 534           if (*equal == '=')
 535             subtest_paths = g_slist_prepend (subtest_paths, equal + 1);
 536           else if (i + 1 < argc)
 537             {
 538               argv[i++] = NULL;
 539               subtest_paths = g_slist_prepend (subtest_paths, argv[i]);
 540             }
 541           argv[i] = NULL;
 542         }
 543       else if (strcmp ("-s", argv[i]) == 0 || strncmp ("-s=", argv[i], 3) == 0)
 544         {
 545           gchar *equal = argv[i] + 2;
 546           if (*equal == '=')
 547             skipped_paths = g_slist_prepend (skipped_paths, equal + 1);
 548           else if (i + 1 < argc)
 549             {
 550               argv[i++] = NULL;
 551               skipped_paths = g_slist_prepend (skipped_paths, argv[i]);
 552             }
 553           argv[i] = NULL;
 554         }
 555       else if (strcmp ("--test-arg", argv[i]) == 0 || strncmp ("--test-arg=", argv[i], 11) == 0)
 556         {
 557           gchar *equal = argv[i] + 10;
 558           if (*equal == '=')
 559             subtest_args = g_slist_prepend (subtest_args, equal + 1);
 560           else if (i + 1 < argc)
 561             {
 562               argv[i++] = NULL;
 563               subtest_args = g_slist_prepend (subtest_args, argv[i]);
 564             }
 565           argv[i] = NULL;
 566         }
 567       else if (strcmp ("-o", argv[i]) == 0 || strncmp ("-o=", argv[i], 3) == 0)
 568         {
 569           gchar *equal = argv[i] + 2;
 570           if (*equal == '=')
 571             output_filename = equal + 1;
 572           else if (i + 1 < argc)
 573             {
 574               argv[i++] = NULL;
 575               output_filename = argv[i];
 576             }
 577           argv[i] = NULL;
 578         }
 579       else if (strcmp ("-m", argv[i]) == 0 || strncmp ("-m=", argv[i], 3) == 0)
 580         {
 581           gchar *equal = argv[i] + 2;
 582           const gchar *mode = "";
 583           if (*equal == '=')
 584             mode = equal + 1;
 585           else if (i + 1 < argc)
 586             {
 587               argv[i++] = NULL;
 588               mode = argv[i];
 589             }
 590           if (strcmp (mode, "perf") == 0)
 591             subtest_mode_perf = TRUE;
 592           else if (strcmp (mode, "slow") == 0 || strcmp (mode, "thorough") == 0)
 593             subtest_mode_quick = FALSE;
 594           else if (strcmp (mode, "quick") == 0)
 595             {
 596               subtest_mode_quick = TRUE;
 597               subtest_mode_perf = FALSE;
 598             }
 599           else
 600             g_error ("unknown test mode: -m %s", mode);
 601           argv[i] = NULL;
 602         }
 603       else if (strcmp ("-q", argv[i]) == 0 || strcmp ("--quiet", argv[i]) == 0)
 604         {
 605           gtester_quiet = TRUE;
 606           gtester_verbose = FALSE;
 607           argv[i] = NULL;
 608         }
 609       else if (strcmp ("--verbose", argv[i]) == 0)
 610         {
 611           gtester_quiet = FALSE;
 612           gtester_verbose = TRUE;
 613           argv[i] = NULL;
 614         }
 615       else if (strcmp ("-l", argv[i]) == 0)
 616         {
 617           gtester_list_tests = TRUE;
 618           argv[i] = NULL;
 619         }
 620       else if (strcmp ("--seed", argv[i]) == 0 || strncmp ("--seed=", argv[i], 7) == 0)
 621         {
 622           gchar *equal = argv[i] + 6;
 623           if (*equal == '=')
 624             subtest_seedstr = equal + 1;
 625           else if (i + 1 < argc)
 626             {
 627               argv[i++] = NULL;
 628               subtest_seedstr = argv[i];
 629             }
 630           argv[i] = NULL;
 631         }
 632     }
 633   /* collapse argv */
 634   e = 1;
 635   for (i = 1; i < argc; i++)
 636     if (argv[i])
 637       {
 638         argv[e++] = argv[i];
 639         if (i >= e)
 640           argv[i] = NULL;
 641       }
 642   *argc_p = e;
 643 }
 644
 645 int
 646 main (int    argc,
 647       char **argv)
 648 {
 649   guint ui;
 650
 651   g_set_prgname (argv[0]);
 652   parse_args (&argc, &argv);
 653   if (gtester_selftest)
 654     return main_selftest (argc, argv);
 655
 656   if (argc <= 1)
 657     {
 658       usage (FALSE);
 659       return 1;
 660     }
 661
 662   if (output_filename)
 663     {
 664       log_fd = g_open (output_filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
 665       if (log_fd < 0)
 666         g_error ("Failed to open log file '%s': %s", output_filename, g_strerror (errno));
 667     }
 668
 669   test_log_printfe ("<?xml version=\"1.0\"?>\n");
 670   test_log_printfe ("%s<gtester>\n", sindent (log_indent));
 671   log_indent += 2;
 672   for (ui = 1; ui < argc; ui++)
 673     {
 674       const char *binary = argv[ui];
 675       launch_test (binary);
 676       /* we only get here on success or if !subtest_mode_fatal */
 677     }
 678   log_indent -= 2;
 679   test_log_printfe ("%s</gtester>\n", sindent (log_indent));
 680
 681   close (log_fd);
 682
 683   return testcase_fail_count == 0 ? EXIT_SUCCESS : EXIT_FAILURE;
 684 }
 685
 686 static void
 687 fixture_setup (guint        *fix,
 688                gconstpointer test_data)
 689 {
 690   g_assert_cmphex (*fix, ==, 0);
 691   *fix = 0xdeadbeef;
 692 }
 693 static void
 694 fixture_test (guint        *fix,
 695               gconstpointer test_data)
 696 {
 697   g_assert_cmphex (*fix, ==, 0xdeadbeef);
 698   g_test_message ("This is a test message API test message.");
 699   g_test_bug_base ("http://www.example.com/bugtracker/");
 700   g_test_bug ("123");
 701   g_test_bug_base ("http://www.example.com/bugtracker?bugnum=%s;cmd=showbug");
 702   g_test_bug ("456");
 703 }
 704 static void
 705 fixture_teardown (guint        *fix,
 706                   gconstpointer test_data)
 707 {
 708   g_assert_cmphex (*fix, ==, 0xdeadbeef);
 709 }
 710
 711 static int
 712 main_selftest (int    argc,
 713                char **argv)
 714 {
 715   /* gtester main() for --gtester-selftest invokations */
 716   g_test_init (&argc, &argv, NULL);
 717   g_test_add ("/gtester/fixture-test", guint, NULL, fixture_setup, fixture_test, fixture_teardown);
 718   return g_test_run();
 719 }