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1 office 1 /* GLib testing utilities
2 * Copyright (C) 2007 Imendio AB
3 * Authors: Tim Janik, Sven Herzberg
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, see <http://www.gnu.org/licenses/>.
17 */
18  
19 #include "config.h"
20  
21 #include "gtestutils.h"
22 #include "gfileutils.h"
23  
24 #include <sys/types.h>
25 #ifdef G_OS_UNIX
26 #include <sys/wait.h>
27 #include <sys/time.h>
28 #include <fcntl.h>
29 #include <unistd.h>
30 #include <glib/gstdio.h>
31 #endif
32 #include <string.h>
33 #include <stdlib.h>
34 #include <stdio.h>
35 #ifdef HAVE_SYS_RESOURCE_H
36 #include <sys/resource.h>
37 #endif
38 #ifdef G_OS_WIN32
39 #include <io.h>
40 #include <windows.h>
41 #endif
42 #include <errno.h>
43 #include <signal.h>
44 #ifdef HAVE_SYS_SELECT_H
45 #include <sys/select.h>
46 #endif /* HAVE_SYS_SELECT_H */
47  
48 #include "gmain.h"
49 #include "gpattern.h"
50 #include "grand.h"
51 #include "gstrfuncs.h"
52 #include "gtimer.h"
53 #include "gslice.h"
54 #include "gspawn.h"
55 #include "glib-private.h"
56  
57  
58 /**
59 * SECTION:testing
60 * @title: Testing
61 * @short_description: a test framework
62 * @see_also: [gtester][gtester], [gtester-report][gtester-report]
63 *
64 * GLib provides a framework for writing and maintaining unit tests
65 * in parallel to the code they are testing. The API is designed according
66 * to established concepts found in the other test frameworks (JUnit, NUnit,
67 * RUnit), which in turn is based on smalltalk unit testing concepts.
68 *
69 * - Test case: Tests (test methods) are grouped together with their
70 * fixture into test cases.
71 *
72 * - Fixture: A test fixture consists of fixture data and setup and
73 * teardown methods to establish the environment for the test
74 * functions. We use fresh fixtures, i.e. fixtures are newly set
75 * up and torn down around each test invocation to avoid dependencies
76 * between tests.
77 *
78 * - Test suite: Test cases can be grouped into test suites, to allow
79 * subsets of the available tests to be run. Test suites can be
80 * grouped into other test suites as well.
81 *
82 * The API is designed to handle creation and registration of test suites
83 * and test cases implicitly. A simple call like
84 * |[<!-- language="C" -->
85 * g_test_add_func ("/misc/assertions", test_assertions);
86 * ]|
87 * creates a test suite called "misc" with a single test case named
88 * "assertions", which consists of running the test_assertions function.
89 *
90 * In addition to the traditional g_assert(), the test framework provides
91 * an extended set of assertions for comparisons: g_assert_cmpfloat(),
92 * g_assert_cmpint(), g_assert_cmpuint(), g_assert_cmphex(),
93 * g_assert_cmpstr(), and g_assert_cmpmem(). The advantage of these
94 * variants over plain g_assert() is that the assertion messages can be
95 * more elaborate, and include the values of the compared entities.
96 *
97 * GLib ships with two utilities called [gtester][gtester] and
98 * [gtester-report][gtester-report] to facilitate running tests and producing
99 * nicely formatted test reports.
100 *
101 * A full example of creating a test suite with two tests using fixtures:
102 * |[<!-- language="C" -->
103 * #include <glib.h>
104 * #include <locale.h>
105 *
106 * typedef struct {
107 * MyObject *obj;
108 * OtherObject *helper;
109 * } MyObjectFixture;
110 *
111 * static void
112 * my_object_fixture_set_up (MyObjectFixture *fixture,
113 * gconstpointer user_data)
114 * {
115 * fixture->obj = my_object_new ();
116 * my_object_set_prop1 (fixture->obj, "some-value");
117 * my_object_do_some_complex_setup (fixture->obj, user_data);
118 *
119 * fixture->helper = other_object_new ();
120 * }
121 *
122 * static void
123 * my_object_fixture_tear_down (MyObjectFixture *fixture,
124 * gconstpointer user_data)
125 * {
126 * g_clear_object (&fixture->helper);
127 * g_clear_object (&fixture->obj);
128 * }
129 *
130 * static void
131 * test_my_object_test1 (MyObjectFixture *fixture,
132 * gconstpointer user_data)
133 * {
134 * g_assert_cmpstr (my_object_get_property (fixture->obj), ==, "initial-value");
135 * }
136 *
137 * static void
138 * test_my_object_test2 (MyObjectFixture *fixture,
139 * gconstpointer user_data)
140 * {
141 * my_object_do_some_work_using_helper (fixture->obj, fixture->helper);
142 * g_assert_cmpstr (my_object_get_property (fixture->obj), ==, "updated-value");
143 * }
144 *
145 * int
146 * main (int argc, char *argv[])
147 * {
148 * setlocale (LC_ALL, "");
149 *
150 * g_test_init (&argc, &argv, NULL);
151 * g_test_bug_base ("http://bugzilla.gnome.org/show_bug.cgi?id=");
152 *
153 * // Define the tests.
154 * g_test_add ("/my-object/test1", MyObjectFixture, "some-user-data",
155 * my_object_fixture_set_up, test_my_object_test1,
156 * my_object_fixture_tear_down);
157 * g_test_add ("/my-object/test2", MyObjectFixture, "some-user-data",
158 * my_object_fixture_set_up, test_my_object_test2,
159 * my_object_fixture_tear_down);
160 *
161 * return g_test_run ();
162 * }
163 * ]|
164 */
165  
166 /**
167 * g_test_initialized:
168 *
169 * Returns %TRUE if g_test_init() has been called.
170 *
171 * Returns: %TRUE if g_test_init() has been called.
172 *
173 * Since: 2.36
174 */
175  
176 /**
177 * g_test_quick:
178 *
179 * Returns %TRUE if tests are run in quick mode.
180 * Exactly one of g_test_quick() and g_test_slow() is active in any run;
181 * there is no "medium speed".
182 *
183 * Returns: %TRUE if in quick mode
184 */
185  
186 /**
187 * g_test_slow:
188 *
189 * Returns %TRUE if tests are run in slow mode.
190 * Exactly one of g_test_quick() and g_test_slow() is active in any run;
191 * there is no "medium speed".
192 *
193 * Returns: the opposite of g_test_quick()
194 */
195  
196 /**
197 * g_test_thorough:
198 *
199 * Returns %TRUE if tests are run in thorough mode, equivalent to
200 * g_test_slow().
201 *
202 * Returns: the same thing as g_test_slow()
203 */
204  
205 /**
206 * g_test_perf:
207 *
208 * Returns %TRUE if tests are run in performance mode.
209 *
210 * Returns: %TRUE if in performance mode
211 */
212  
213 /**
214 * g_test_undefined:
215 *
216 * Returns %TRUE if tests may provoke assertions and other formally-undefined
217 * behaviour, to verify that appropriate warnings are given. It might, in some
218 * cases, be useful to turn this off if running tests under valgrind.
219 *
220 * Returns: %TRUE if tests may provoke programming errors
221 */
222  
223 /**
224 * g_test_verbose:
225 *
226 * Returns %TRUE if tests are run in verbose mode.
227 * The default is neither g_test_verbose() nor g_test_quiet().
228 *
229 * Returns: %TRUE if in verbose mode
230 */
231  
232 /**
233 * g_test_quiet:
234 *
235 * Returns %TRUE if tests are run in quiet mode.
236 * The default is neither g_test_verbose() nor g_test_quiet().
237 *
238 * Returns: %TRUE if in quiet mode
239 */
240  
241 /**
242 * g_test_queue_unref:
243 * @gobject: the object to unref
244 *
245 * Enqueue an object to be released with g_object_unref() during
246 * the next teardown phase. This is equivalent to calling
247 * g_test_queue_destroy() with a destroy callback of g_object_unref().
248 *
249 * Since: 2.16
250 */
251  
252 /**
253 * GTestTrapFlags:
254 * @G_TEST_TRAP_SILENCE_STDOUT: Redirect stdout of the test child to
255 * `/dev/null` so it cannot be observed on the console during test
256 * runs. The actual output is still captured though to allow later
257 * tests with g_test_trap_assert_stdout().
258 * @G_TEST_TRAP_SILENCE_STDERR: Redirect stderr of the test child to
259 * `/dev/null` so it cannot be observed on the console during test
260 * runs. The actual output is still captured though to allow later
261 * tests with g_test_trap_assert_stderr().
262 * @G_TEST_TRAP_INHERIT_STDIN: If this flag is given, stdin of the
263 * child process is shared with stdin of its parent process.
264 * It is redirected to `/dev/null` otherwise.
265 *
266 * Test traps are guards around forked tests.
267 * These flags determine what traps to set.
268 *
269 * Deprecated: #GTestTrapFlags is used only with g_test_trap_fork(),
270 * which is deprecated. g_test_trap_subprocess() uses
271 * #GTestTrapSubprocessFlags.
272 */
273  
274 /**
275 * GTestSubprocessFlags:
276 * @G_TEST_SUBPROCESS_INHERIT_STDIN: If this flag is given, the child
277 * process will inherit the parent's stdin. Otherwise, the child's
278 * stdin is redirected to `/dev/null`.
279 * @G_TEST_SUBPROCESS_INHERIT_STDOUT: If this flag is given, the child
280 * process will inherit the parent's stdout. Otherwise, the child's
281 * stdout will not be visible, but it will be captured to allow
282 * later tests with g_test_trap_assert_stdout().
283 * @G_TEST_SUBPROCESS_INHERIT_STDERR: If this flag is given, the child
284 * process will inherit the parent's stderr. Otherwise, the child's
285 * stderr will not be visible, but it will be captured to allow
286 * later tests with g_test_trap_assert_stderr().
287 *
288 * Flags to pass to g_test_trap_subprocess() to control input and output.
289 *
290 * Note that in contrast with g_test_trap_fork(), the default is to
291 * not show stdout and stderr.
292 */
293  
294 /**
295 * g_test_trap_assert_passed:
296 *
297 * Assert that the last test subprocess passed.
298 * See g_test_trap_subprocess().
299 *
300 * Since: 2.16
301 */
302  
303 /**
304 * g_test_trap_assert_failed:
305 *
306 * Assert that the last test subprocess failed.
307 * See g_test_trap_subprocess().
308 *
309 * This is sometimes used to test situations that are formally considered to
310 * be undefined behaviour, like inputs that fail a g_return_if_fail()
311 * check. In these situations you should skip the entire test, including the
312 * call to g_test_trap_subprocess(), unless g_test_undefined() returns %TRUE
313 * to indicate that undefined behaviour may be tested.
314 *
315 * Since: 2.16
316 */
317  
318 /**
319 * g_test_trap_assert_stdout:
320 * @soutpattern: a glob-style [pattern][glib-Glob-style-pattern-matching]
321 *
322 * Assert that the stdout output of the last test subprocess matches
323 * @soutpattern. See g_test_trap_subprocess().
324 *
325 * Since: 2.16
326 */
327  
328 /**
329 * g_test_trap_assert_stdout_unmatched:
330 * @soutpattern: a glob-style [pattern][glib-Glob-style-pattern-matching]
331 *
332 * Assert that the stdout output of the last test subprocess
333 * does not match @soutpattern. See g_test_trap_subprocess().
334 *
335 * Since: 2.16
336 */
337  
338 /**
339 * g_test_trap_assert_stderr:
340 * @serrpattern: a glob-style [pattern][glib-Glob-style-pattern-matching]
341 *
342 * Assert that the stderr output of the last test subprocess
343 * matches @serrpattern. See g_test_trap_subprocess().
344 *
345 * This is sometimes used to test situations that are formally
346 * considered to be undefined behaviour, like code that hits a
347 * g_assert() or g_error(). In these situations you should skip the
348 * entire test, including the call to g_test_trap_subprocess(), unless
349 * g_test_undefined() returns %TRUE to indicate that undefined
350 * behaviour may be tested.
351 *
352 * Since: 2.16
353 */
354  
355 /**
356 * g_test_trap_assert_stderr_unmatched:
357 * @serrpattern: a glob-style [pattern][glib-Glob-style-pattern-matching]
358 *
359 * Assert that the stderr output of the last test subprocess
360 * does not match @serrpattern. See g_test_trap_subprocess().
361 *
362 * Since: 2.16
363 */
364  
365 /**
366 * g_test_rand_bit:
367 *
368 * Get a reproducible random bit (0 or 1), see g_test_rand_int()
369 * for details on test case random numbers.
370 *
371 * Since: 2.16
372 */
373  
374 /**
375 * g_assert:
376 * @expr: the expression to check
377 *
378 * Debugging macro to terminate the application if the assertion
379 * fails. If the assertion fails (i.e. the expression is not true),
380 * an error message is logged and the application is terminated.
381 *
382 * The macro can be turned off in final releases of code by defining
383 * `G_DISABLE_ASSERT` when compiling the application.
384 */
385  
386 /**
387 * g_assert_not_reached:
388 *
389 * Debugging macro to terminate the application if it is ever
390 * reached. If it is reached, an error message is logged and the
391 * application is terminated.
392 *
393 * The macro can be turned off in final releases of code by defining
394 * `G_DISABLE_ASSERT` when compiling the application.
395 */
396  
397 /**
398 * g_assert_true:
399 * @expr: the expression to check
400 *
401 * Debugging macro to check that an expression is true.
402 *
403 * If the assertion fails (i.e. the expression is not true),
404 * an error message is logged and the application is either
405 * terminated or the testcase marked as failed.
406 *
407 * See g_test_set_nonfatal_assertions().
408 *
409 * Since: 2.38
410 */
411  
412 /**
413 * g_assert_false:
414 * @expr: the expression to check
415 *
416 * Debugging macro to check an expression is false.
417 *
418 * If the assertion fails (i.e. the expression is not false),
419 * an error message is logged and the application is either
420 * terminated or the testcase marked as failed.
421 *
422 * See g_test_set_nonfatal_assertions().
423 *
424 * Since: 2.38
425 */
426  
427 /**
428 * g_assert_null:
429 * @expr: the expression to check
430 *
431 * Debugging macro to check an expression is %NULL.
432 *
433 * If the assertion fails (i.e. the expression is not %NULL),
434 * an error message is logged and the application is either
435 * terminated or the testcase marked as failed.
436 *
437 * See g_test_set_nonfatal_assertions().
438 *
439 * Since: 2.38
440 */
441  
442 /**
443 * g_assert_nonnull:
444 * @expr: the expression to check
445 *
446 * Debugging macro to check an expression is not %NULL.
447 *
448 * If the assertion fails (i.e. the expression is %NULL),
449 * an error message is logged and the application is either
450 * terminated or the testcase marked as failed.
451 *
452 * See g_test_set_nonfatal_assertions().
453 *
454 * Since: 2.40
455 */
456  
457 /**
458 * g_assert_cmpstr:
459 * @s1: a string (may be %NULL)
460 * @cmp: The comparison operator to use.
461 * One of ==, !=, <, >, <=, >=.
462 * @s2: another string (may be %NULL)
463 *
464 * Debugging macro to compare two strings. If the comparison fails,
465 * an error message is logged and the application is either terminated
466 * or the testcase marked as failed.
467 * The strings are compared using g_strcmp0().
468 *
469 * The effect of `g_assert_cmpstr (s1, op, s2)` is
470 * the same as `g_assert_true (g_strcmp0 (s1, s2) op 0)`.
471 * The advantage of this macro is that it can produce a message that
472 * includes the actual values of @s1 and @s2.
473 *
474 * |[<!-- language="C" -->
475 * g_assert_cmpstr (mystring, ==, "fubar");
476 * ]|
477 *
478 * Since: 2.16
479 */
480  
481 /**
482 * g_assert_cmpint:
483 * @n1: an integer
484 * @cmp: The comparison operator to use.
485 * One of ==, !=, <, >, <=, >=.
486 * @n2: another integer
487 *
488 * Debugging macro to compare two integers.
489 *
490 * The effect of `g_assert_cmpint (n1, op, n2)` is
491 * the same as `g_assert_true (n1 op n2)`. The advantage
492 * of this macro is that it can produce a message that includes the
493 * actual values of @n1 and @n2.
494 *
495 * Since: 2.16
496 */
497  
498 /**
499 * g_assert_cmpuint:
500 * @n1: an unsigned integer
501 * @cmp: The comparison operator to use.
502 * One of ==, !=, <, >, <=, >=.
503 * @n2: another unsigned integer
504 *
505 * Debugging macro to compare two unsigned integers.
506 *
507 * The effect of `g_assert_cmpuint (n1, op, n2)` is
508 * the same as `g_assert_true (n1 op n2)`. The advantage
509 * of this macro is that it can produce a message that includes the
510 * actual values of @n1 and @n2.
511 *
512 * Since: 2.16
513 */
514  
515 /**
516 * g_assert_cmphex:
517 * @n1: an unsigned integer
518 * @cmp: The comparison operator to use.
519 * One of ==, !=, <, >, <=, >=.
520 * @n2: another unsigned integer
521 *
522 * Debugging macro to compare to unsigned integers.
523 *
524 * This is a variant of g_assert_cmpuint() that displays the numbers
525 * in hexadecimal notation in the message.
526 *
527 * Since: 2.16
528 */
529  
530 /**
531 * g_assert_cmpfloat:
532 * @n1: an floating point number
533 * @cmp: The comparison operator to use.
534 * One of ==, !=, <, >, <=, >=.
535 * @n2: another floating point number
536 *
537 * Debugging macro to compare two floating point numbers.
538 *
539 * The effect of `g_assert_cmpfloat (n1, op, n2)` is
540 * the same as `g_assert_true (n1 op n2)`. The advantage
541 * of this macro is that it can produce a message that includes the
542 * actual values of @n1 and @n2.
543 *
544 * Since: 2.16
545 */
546  
547 /**
548 * g_assert_cmpmem:
549 * @m1: pointer to a buffer
550 * @l1: length of @m1
551 * @m2: pointer to another buffer
552 * @l2: length of @m2
553 *
554 * Debugging macro to compare memory regions. If the comparison fails,
555 * an error message is logged and the application is either terminated
556 * or the testcase marked as failed.
557 *
558 * The effect of `g_assert_cmpmem (m1, l1, m2, l2)` is
559 * the same as `g_assert_true (l1 == l2 && memcmp (m1, m2, l1) == 0)`.
560 * The advantage of this macro is that it can produce a message that
561 * includes the actual values of @l1 and @l2.
562 *
563 * |[<!-- language="C" -->
564 * g_assert_cmpmem (buf->data, buf->len, expected, sizeof (expected));
565 * ]|
566 *
567 * Since: 2.46
568 */
569  
570 /**
571 * g_assert_no_error:
572 * @err: a #GError, possibly %NULL
573 *
574 * Debugging macro to check that a #GError is not set.
575 *
576 * The effect of `g_assert_no_error (err)` is
577 * the same as `g_assert_true (err == NULL)`. The advantage
578 * of this macro is that it can produce a message that includes
579 * the error message and code.
580 *
581 * Since: 2.20
582 */
583  
584 /**
585 * g_assert_error:
586 * @err: a #GError, possibly %NULL
587 * @dom: the expected error domain (a #GQuark)
588 * @c: the expected error code
589 *
590 * Debugging macro to check that a method has returned
591 * the correct #GError.
592 *
593 * The effect of `g_assert_error (err, dom, c)` is
594 * the same as `g_assert_true (err != NULL && err->domain
595 * == dom && err->code == c)`. The advantage of this
596 * macro is that it can produce a message that includes the incorrect
597 * error message and code.
598 *
599 * This can only be used to test for a specific error. If you want to
600 * test that @err is set, but don't care what it's set to, just use
601 * `g_assert (err != NULL)`
602 *
603 * Since: 2.20
604 */
605  
606 /**
607 * GTestCase:
608 *
609 * An opaque structure representing a test case.
610 */
611  
612 /**
613 * GTestSuite:
614 *
615 * An opaque structure representing a test suite.
616 */
617  
618  
619 /* Global variable for storing assertion messages; this is the counterpart to
620 * glibc's (private) __abort_msg variable, and allows developers and crash
621 * analysis systems like Apport and ABRT to fish out assertion messages from
622 * core dumps, instead of having to catch them on screen output.
623 */
624 GLIB_VAR char *__glib_assert_msg;
625 char *__glib_assert_msg = NULL;
626  
627 /* --- constants --- */
628 #define G_TEST_STATUS_TIMED_OUT 1024
629  
630 /* --- structures --- */
631 struct GTestCase
632 {
633 gchar *name;
634 guint fixture_size;
635 void (*fixture_setup) (void*, gconstpointer);
636 void (*fixture_test) (void*, gconstpointer);
637 void (*fixture_teardown) (void*, gconstpointer);
638 gpointer test_data;
639 };
640 struct GTestSuite
641 {
642 gchar *name;
643 GSList *suites;
644 GSList *cases;
645 };
646 typedef struct DestroyEntry DestroyEntry;
647 struct DestroyEntry
648 {
649 DestroyEntry *next;
650 GDestroyNotify destroy_func;
651 gpointer destroy_data;
652 };
653  
654 /* --- prototypes --- */
655 static void test_run_seed (const gchar *rseed);
656 static void test_trap_clear (void);
657 static guint8* g_test_log_dump (GTestLogMsg *msg,
658 guint *len);
659 static void gtest_default_log_handler (const gchar *log_domain,
660 GLogLevelFlags log_level,
661 const gchar *message,
662 gpointer unused_data);
663  
664  
665 typedef enum {
666 G_TEST_RUN_SUCCESS,
667 G_TEST_RUN_SKIPPED,
668 G_TEST_RUN_FAILURE,
669 G_TEST_RUN_INCOMPLETE
670 } GTestResult;
671 static const char * const g_test_result_names[] = {
672 "OK",
673 "SKIP",
674 "FAIL",
675 "TODO"
676 };
677  
678 /* --- variables --- */
679 static int test_log_fd = -1;
680 static gboolean test_mode_fatal = TRUE;
681 static gboolean g_test_run_once = TRUE;
682 static gboolean test_run_list = FALSE;
683 static gchar *test_run_seedstr = NULL;
684 static GRand *test_run_rand = NULL;
685 static gchar *test_run_name = "";
686 static GSList **test_filename_free_list;
687 static guint test_run_forks = 0;
688 static guint test_run_count = 0;
689 static guint test_count = 0;
690 static guint test_skipped_count = 0;
691 static GTestResult test_run_success = G_TEST_RUN_FAILURE;
692 static gchar *test_run_msg = NULL;
693 static guint test_startup_skip_count = 0;
694 static GTimer *test_user_timer = NULL;
695 static double test_user_stamp = 0;
696 static GSList *test_paths = NULL;
697 static GSList *test_paths_skipped = NULL;
698 static GTestSuite *test_suite_root = NULL;
699 static int test_trap_last_status = 0;
700 static GPid test_trap_last_pid = 0;
701 static char *test_trap_last_subprocess = NULL;
702 static char *test_trap_last_stdout = NULL;
703 static char *test_trap_last_stderr = NULL;
704 static char *test_uri_base = NULL;
705 static gboolean test_debug_log = FALSE;
706 static gboolean test_tap_log = FALSE;
707 static gboolean test_nonfatal_assertions = FALSE;
708 static DestroyEntry *test_destroy_queue = NULL;
709 static char *test_argv0 = NULL;
710 static char *test_argv0_dirname;
711 static const char *test_disted_files_dir;
712 static const char *test_built_files_dir;
713 static char *test_initial_cwd = NULL;
714 static gboolean test_in_subprocess = FALSE;
715 static GTestConfig mutable_test_config_vars = {
716 FALSE, /* test_initialized */
717 TRUE, /* test_quick */
718 FALSE, /* test_perf */
719 FALSE, /* test_verbose */
720 FALSE, /* test_quiet */
721 TRUE, /* test_undefined */
722 };
723 const GTestConfig * const g_test_config_vars = &mutable_test_config_vars;
724 static gboolean no_g_set_prgname = FALSE;
725  
726 /* --- functions --- */
727 const char*
728 g_test_log_type_name (GTestLogType log_type)
729 {
730 switch (log_type)
731 {
732 case G_TEST_LOG_NONE: return "none";
733 case G_TEST_LOG_ERROR: return "error";
734 case G_TEST_LOG_START_BINARY: return "binary";
735 case G_TEST_LOG_LIST_CASE: return "list";
736 case G_TEST_LOG_SKIP_CASE: return "skip";
737 case G_TEST_LOG_START_CASE: return "start";
738 case G_TEST_LOG_STOP_CASE: return "stop";
739 case G_TEST_LOG_MIN_RESULT: return "minperf";
740 case G_TEST_LOG_MAX_RESULT: return "maxperf";
741 case G_TEST_LOG_MESSAGE: return "message";
742 case G_TEST_LOG_START_SUITE: return "start suite";
743 case G_TEST_LOG_STOP_SUITE: return "stop suite";
744 }
745 return "???";
746 }
747  
748 static void
749 g_test_log_send (guint n_bytes,
750 const guint8 *buffer)
751 {
752 if (test_log_fd >= 0)
753 {
754 int r;
755 do
756 r = write (test_log_fd, buffer, n_bytes);
757 while (r < 0 && errno == EINTR);
758 }
759 if (test_debug_log)
760 {
761 GTestLogBuffer *lbuffer = g_test_log_buffer_new ();
762 GTestLogMsg *msg;
763 guint ui;
764 g_test_log_buffer_push (lbuffer, n_bytes, buffer);
765 msg = g_test_log_buffer_pop (lbuffer);
766 g_warn_if_fail (msg != NULL);
767 g_warn_if_fail (lbuffer->data->len == 0);
768 g_test_log_buffer_free (lbuffer);
769 /* print message */
770 g_printerr ("{*LOG(%s)", g_test_log_type_name (msg->log_type));
771 for (ui = 0; ui < msg->n_strings; ui++)
772 g_printerr (":{%s}", msg->strings[ui]);
773 if (msg->n_nums)
774 {
775 g_printerr (":(");
776 for (ui = 0; ui < msg->n_nums; ui++)
777 {
778 if ((long double) (long) msg->nums[ui] == msg->nums[ui])
779 g_printerr ("%s%ld", ui ? ";" : "", (long) msg->nums[ui]);
780 else
781 g_printerr ("%s%.16g", ui ? ";" : "", (double) msg->nums[ui]);
782 }
783 g_printerr (")");
784 }
785 g_printerr (":LOG*}\n");
786 g_test_log_msg_free (msg);
787 }
788 }
789  
790 static void
791 g_test_log (GTestLogType lbit,
792 const gchar *string1,
793 const gchar *string2,
794 guint n_args,
795 long double *largs)
796 {
797 GTestResult result;
798 gboolean fail;
799 GTestLogMsg msg;
800 gchar *astrings[3] = { NULL, NULL, NULL };
801 guint8 *dbuffer;
802 guint32 dbufferlen;
803  
804 switch (lbit)
805 {
806 case G_TEST_LOG_START_BINARY:
807 if (test_tap_log)
808 g_print ("# random seed: %s\n", string2);
809 else if (g_test_verbose())
810 g_print ("GTest: random seed: %s\n", string2);
811 break;
812 case G_TEST_LOG_START_SUITE:
813 if (test_tap_log)
814 {
815 if (string1[0] != 0)
816 g_print ("# Start of %s tests\n", string1);
817 else
818 g_print ("1..%d\n", test_count);
819 }
820 break;
821 case G_TEST_LOG_STOP_SUITE:
822 if (test_tap_log)
823 {
824 if (string1[0] != 0)
825 g_print ("# End of %s tests\n", string1);
826 }
827 break;
828 case G_TEST_LOG_STOP_CASE:
829 result = largs[0];
830 fail = result == G_TEST_RUN_FAILURE;
831 if (test_tap_log)
832 {
833 g_print ("%s %d %s", fail ? "not ok" : "ok", test_run_count, string1);
834 if (result == G_TEST_RUN_INCOMPLETE)
835 g_print (" # TODO %s\n", string2 ? string2 : "");
836 else if (result == G_TEST_RUN_SKIPPED)
837 g_print (" # SKIP %s\n", string2 ? string2 : "");
838 else
839 g_print ("\n");
840 }
841 else if (g_test_verbose())
842 g_print ("GTest: result: %s\n", g_test_result_names[result]);
843 else if (!g_test_quiet())
844 g_print ("%s\n", g_test_result_names[result]);
845 if (fail && test_mode_fatal)
846 {
847 if (test_tap_log)
848 g_print ("Bail out!\n");
849 abort();
850 }
851 if (result == G_TEST_RUN_SKIPPED)
852 test_skipped_count++;
853 break;
854 case G_TEST_LOG_MIN_RESULT:
855 if (test_tap_log)
856 g_print ("# min perf: %s\n", string1);
857 else if (g_test_verbose())
858 g_print ("(MINPERF:%s)\n", string1);
859 break;
860 case G_TEST_LOG_MAX_RESULT:
861 if (test_tap_log)
862 g_print ("# max perf: %s\n", string1);
863 else if (g_test_verbose())
864 g_print ("(MAXPERF:%s)\n", string1);
865 break;
866 case G_TEST_LOG_MESSAGE:
867 case G_TEST_LOG_ERROR:
868 if (test_tap_log)
869 g_print ("# %s\n", string1);
870 else if (g_test_verbose())
871 g_print ("(MSG: %s)\n", string1);
872 break;
873 default: ;
874 }
875  
876 msg.log_type = lbit;
877 msg.n_strings = (string1 != NULL) + (string1 && string2);
878 msg.strings = astrings;
879 astrings[0] = (gchar*) string1;
880 astrings[1] = astrings[0] ? (gchar*) string2 : NULL;
881 msg.n_nums = n_args;
882 msg.nums = largs;
883 dbuffer = g_test_log_dump (&msg, &dbufferlen);
884 g_test_log_send (dbufferlen, dbuffer);
885 g_free (dbuffer);
886  
887 switch (lbit)
888 {
889 case G_TEST_LOG_START_CASE:
890 if (test_tap_log)
891 ;
892 else if (g_test_verbose())
893 g_print ("GTest: run: %s\n", string1);
894 else if (!g_test_quiet())
895 g_print ("%s: ", string1);
896 break;
897 default: ;
898 }
899 }
900  
901 /* We intentionally parse the command line without GOptionContext
902 * because otherwise you would never be able to test it.
903 */
904 static void
905 parse_args (gint *argc_p,
906 gchar ***argv_p)
907 {
908 guint argc = *argc_p;
909 gchar **argv = *argv_p;
910 guint i, e;
911  
912 test_argv0 = argv[0];
913 test_initial_cwd = g_get_current_dir ();
914  
915 /* parse known args */
916 for (i = 1; i < argc; i++)
917 {
918 if (strcmp (argv[i], "--g-fatal-warnings") == 0)
919 {
920 GLogLevelFlags fatal_mask = (GLogLevelFlags) g_log_set_always_fatal ((GLogLevelFlags) G_LOG_FATAL_MASK);
921 fatal_mask = (GLogLevelFlags) (fatal_mask | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL);
922 g_log_set_always_fatal (fatal_mask);
923 argv[i] = NULL;
924 }
925 else if (strcmp (argv[i], "--keep-going") == 0 ||
926 strcmp (argv[i], "-k") == 0)
927 {
928 test_mode_fatal = FALSE;
929 argv[i] = NULL;
930 }
931 else if (strcmp (argv[i], "--debug-log") == 0)
932 {
933 test_debug_log = TRUE;
934 argv[i] = NULL;
935 }
936 else if (strcmp (argv[i], "--tap") == 0)
937 {
938 test_tap_log = TRUE;
939 argv[i] = NULL;
940 }
941 else if (strcmp ("--GTestLogFD", argv[i]) == 0 || strncmp ("--GTestLogFD=", argv[i], 13) == 0)
942 {
943 gchar *equal = argv[i] + 12;
944 if (*equal == '=')
945 test_log_fd = g_ascii_strtoull (equal + 1, NULL, 0);
946 else if (i + 1 < argc)
947 {
948 argv[i++] = NULL;
949 test_log_fd = g_ascii_strtoull (argv[i], NULL, 0);
950 }
951 argv[i] = NULL;
952 }
953 else if (strcmp ("--GTestSkipCount", argv[i]) == 0 || strncmp ("--GTestSkipCount=", argv[i], 17) == 0)
954 {
955 gchar *equal = argv[i] + 16;
956 if (*equal == '=')
957 test_startup_skip_count = g_ascii_strtoull (equal + 1, NULL, 0);
958 else if (i + 1 < argc)
959 {
960 argv[i++] = NULL;
961 test_startup_skip_count = g_ascii_strtoull (argv[i], NULL, 0);
962 }
963 argv[i] = NULL;
964 }
965 else if (strcmp ("--GTestSubprocess", argv[i]) == 0)
966 {
967 test_in_subprocess = TRUE;
968 /* We typically expect these child processes to crash, and some
969 * tests spawn a *lot* of them. Avoid spamming system crash
970 * collection programs such as systemd-coredump and abrt.
971 */
972 #ifdef HAVE_SYS_RESOURCE_H
973 {
974 struct rlimit limit = { 0, 0 };
975 (void) setrlimit (RLIMIT_CORE, &limit);
976 }
977 #endif
978 argv[i] = NULL;
979 }
980 else if (strcmp ("-p", argv[i]) == 0 || strncmp ("-p=", argv[i], 3) == 0)
981 {
982 gchar *equal = argv[i] + 2;
983 if (*equal == '=')
984 test_paths = g_slist_prepend (test_paths, equal + 1);
985 else if (i + 1 < argc)
986 {
987 argv[i++] = NULL;
988 test_paths = g_slist_prepend (test_paths, argv[i]);
989 }
990 argv[i] = NULL;
991 }
992 else if (strcmp ("-s", argv[i]) == 0 || strncmp ("-s=", argv[i], 3) == 0)
993 {
994 gchar *equal = argv[i] + 2;
995 if (*equal == '=')
996 test_paths_skipped = g_slist_prepend (test_paths_skipped, equal + 1);
997 else if (i + 1 < argc)
998 {
999 argv[i++] = NULL;
1000 test_paths_skipped = g_slist_prepend (test_paths_skipped, argv[i]);
1001 }
1002 argv[i] = NULL;
1003 }
1004 else if (strcmp ("-m", argv[i]) == 0 || strncmp ("-m=", argv[i], 3) == 0)
1005 {
1006 gchar *equal = argv[i] + 2;
1007 const gchar *mode = "";
1008 if (*equal == '=')
1009 mode = equal + 1;
1010 else if (i + 1 < argc)
1011 {
1012 argv[i++] = NULL;
1013 mode = argv[i];
1014 }
1015 if (strcmp (mode, "perf") == 0)
1016 mutable_test_config_vars.test_perf = TRUE;
1017 else if (strcmp (mode, "slow") == 0)
1018 mutable_test_config_vars.test_quick = FALSE;
1019 else if (strcmp (mode, "thorough") == 0)
1020 mutable_test_config_vars.test_quick = FALSE;
1021 else if (strcmp (mode, "quick") == 0)
1022 {
1023 mutable_test_config_vars.test_quick = TRUE;
1024 mutable_test_config_vars.test_perf = FALSE;
1025 }
1026 else if (strcmp (mode, "undefined") == 0)
1027 mutable_test_config_vars.test_undefined = TRUE;
1028 else if (strcmp (mode, "no-undefined") == 0)
1029 mutable_test_config_vars.test_undefined = FALSE;
1030 else
1031 g_error ("unknown test mode: -m %s", mode);
1032 argv[i] = NULL;
1033 }
1034 else if (strcmp ("-q", argv[i]) == 0 || strcmp ("--quiet", argv[i]) == 0)
1035 {
1036 mutable_test_config_vars.test_quiet = TRUE;
1037 mutable_test_config_vars.test_verbose = FALSE;
1038 argv[i] = NULL;
1039 }
1040 else if (strcmp ("--verbose", argv[i]) == 0)
1041 {
1042 mutable_test_config_vars.test_quiet = FALSE;
1043 mutable_test_config_vars.test_verbose = TRUE;
1044 argv[i] = NULL;
1045 }
1046 else if (strcmp ("-l", argv[i]) == 0)
1047 {
1048 test_run_list = TRUE;
1049 argv[i] = NULL;
1050 }
1051 else if (strcmp ("--seed", argv[i]) == 0 || strncmp ("--seed=", argv[i], 7) == 0)
1052 {
1053 gchar *equal = argv[i] + 6;
1054 if (*equal == '=')
1055 test_run_seedstr = equal + 1;
1056 else if (i + 1 < argc)
1057 {
1058 argv[i++] = NULL;
1059 test_run_seedstr = argv[i];
1060 }
1061 argv[i] = NULL;
1062 }
1063 else if (strcmp ("-?", argv[i]) == 0 ||
1064 strcmp ("-h", argv[i]) == 0 ||
1065 strcmp ("--help", argv[i]) == 0)
1066 {
1067 printf ("Usage:\n"
1068 " %s [OPTION...]\n\n"
1069 "Help Options:\n"
1070 " -h, --help Show help options\n\n"
1071 "Test Options:\n"
1072 " --g-fatal-warnings Make all warnings fatal\n"
1073 " -l List test cases available in a test executable\n"
1074 " -m {perf|slow|thorough|quick} Execute tests according to mode\n"
1075 " -m {undefined|no-undefined} Execute tests according to mode\n"
1076 " -p TESTPATH Only start test cases matching TESTPATH\n"
1077 " -s TESTPATH Skip all tests matching TESTPATH\n"
1078 " -seed=SEEDSTRING Start tests with random seed SEEDSTRING\n"
1079 " --debug-log debug test logging output\n"
1080 " -q, --quiet Run tests quietly\n"
1081 " --verbose Run tests verbosely\n",
1082 argv[0]);
1083 exit (0);
1084 }
1085 }
1086 /* collapse argv */
1087 e = 1;
1088 for (i = 1; i < argc; i++)
1089 if (argv[i])
1090 {
1091 argv[e++] = argv[i];
1092 if (i >= e)
1093 argv[i] = NULL;
1094 }
1095 *argc_p = e;
1096 }
1097  
1098 /**
1099 * g_test_init:
1100 * @argc: Address of the @argc parameter of the main() function.
1101 * Changed if any arguments were handled.
1102 * @argv: Address of the @argv parameter of main().
1103 * Any parameters understood by g_test_init() stripped before return.
1104 * @...: %NULL-terminated list of special options. Currently the only
1105 * defined option is `"no_g_set_prgname"`, which
1106 * will cause g_test_init() to not call g_set_prgname().
1107 *
1108 * Initialize the GLib testing framework, e.g. by seeding the
1109 * test random number generator, the name for g_get_prgname()
1110 * and parsing test related command line args.
1111 *
1112 * So far, the following arguments are understood:
1113 *
1114 * - `-l`: List test cases available in a test executable.
1115 * - `--seed=SEED`: Provide a random seed to reproduce test
1116 * runs using random numbers.
1117 * - `--verbose`: Run tests verbosely.
1118 * - `-q`, `--quiet`: Run tests quietly.
1119 * - `-p PATH`: Execute all tests matching the given path.
1120 * This can also be used to force a test to run that would otherwise
1121 * be skipped (ie, a test whose name contains "/subprocess").
1122 * - `-m {perf|slow|thorough|quick|undefined|no-undefined}`: Execute tests according to these test modes:
1123 *
1124 * `perf`: Performance tests, may take long and report results.
1125 *
1126 * `slow`, `thorough`: Slow and thorough tests, may take quite long and maximize coverage.
1127 *
1128 * `quick`: Quick tests, should run really quickly and give good coverage.
1129 *
1130 * `undefined`: Tests for undefined behaviour, may provoke programming errors
1131 * under g_test_trap_subprocess() or g_test_expect_messages() to check
1132 * that appropriate assertions or warnings are given
1133 *
1134 * `no-undefined`: Avoid tests for undefined behaviour
1135 *
1136 * - `--debug-log`: Debug test logging output.
1137 *
1138 * Since: 2.16
1139 */
1140 void
1141 g_test_init (int *argc,
1142 char ***argv,
1143 ...)
1144 {
1145 static char seedstr[4 + 4 * 8 + 1];
1146 va_list args;
1147 gpointer option;
1148 /* make warnings and criticals fatal for all test programs */
1149 GLogLevelFlags fatal_mask = (GLogLevelFlags) g_log_set_always_fatal ((GLogLevelFlags) G_LOG_FATAL_MASK);
1150  
1151 fatal_mask = (GLogLevelFlags) (fatal_mask | G_LOG_LEVEL_WARNING | G_LOG_LEVEL_CRITICAL);
1152 g_log_set_always_fatal (fatal_mask);
1153 /* check caller args */
1154 g_return_if_fail (argc != NULL);
1155 g_return_if_fail (argv != NULL);
1156 g_return_if_fail (g_test_config_vars->test_initialized == FALSE);
1157 mutable_test_config_vars.test_initialized = TRUE;
1158  
1159 va_start (args, argv);
1160 while ((option = va_arg (args, char *)))
1161 {
1162 if (g_strcmp0 (option, "no_g_set_prgname") == 0)
1163 no_g_set_prgname = TRUE;
1164 }
1165 va_end (args);
1166  
1167 /* setup random seed string */
1168 g_snprintf (seedstr, sizeof (seedstr), "R02S%08x%08x%08x%08x", g_random_int(), g_random_int(), g_random_int(), g_random_int());
1169 test_run_seedstr = seedstr;
1170  
1171 /* parse args, sets up mode, changes seed, etc. */
1172 parse_args (argc, argv);
1173  
1174 if (!g_get_prgname() && !no_g_set_prgname)
1175 g_set_prgname ((*argv)[0]);
1176  
1177 /* sanity check */
1178 if (test_tap_log)
1179 {
1180 if (test_paths || test_paths_skipped || test_startup_skip_count)
1181 {
1182 g_printerr ("%s: options that skip some tests are incompatible with --tap\n",
1183 (*argv)[0]);
1184 exit (1);
1185 }
1186 }
1187  
1188 /* verify GRand reliability, needed for reliable seeds */
1189 if (1)
1190 {
1191 GRand *rg = g_rand_new_with_seed (0xc8c49fb6);
1192 guint32 t1 = g_rand_int (rg), t2 = g_rand_int (rg), t3 = g_rand_int (rg), t4 = g_rand_int (rg);
1193 /* g_print ("GRand-current: 0x%x 0x%x 0x%x 0x%x\n", t1, t2, t3, t4); */
1194 if (t1 != 0xfab39f9b || t2 != 0xb948fb0e || t3 != 0x3d31be26 || t4 != 0x43a19d66)
1195 g_warning ("random numbers are not GRand-2.2 compatible, seeds may be broken (check $G_RANDOM_VERSION)");
1196 g_rand_free (rg);
1197 }
1198  
1199 /* check rand seed */
1200 test_run_seed (test_run_seedstr);
1201  
1202 /* report program start */
1203 g_log_set_default_handler (gtest_default_log_handler, NULL);
1204 g_test_log (G_TEST_LOG_START_BINARY, g_get_prgname(), test_run_seedstr, 0, NULL);
1205  
1206 test_argv0_dirname = g_path_get_dirname (test_argv0);
1207  
1208 /* Make sure we get the real dirname that the test was run from */
1209 if (g_str_has_suffix (test_argv0_dirname, "/.libs"))
1210 {
1211 gchar *tmp;
1212 tmp = g_path_get_dirname (test_argv0_dirname);
1213 g_free (test_argv0_dirname);
1214 test_argv0_dirname = tmp;
1215 }
1216  
1217 test_disted_files_dir = g_getenv ("G_TEST_SRCDIR");
1218 if (!test_disted_files_dir)
1219 test_disted_files_dir = test_argv0_dirname;
1220  
1221 test_built_files_dir = g_getenv ("G_TEST_BUILDDIR");
1222 if (!test_built_files_dir)
1223 test_built_files_dir = test_argv0_dirname;
1224 }
1225  
1226 static void
1227 test_run_seed (const gchar *rseed)
1228 {
1229 guint seed_failed = 0;
1230 if (test_run_rand)
1231 g_rand_free (test_run_rand);
1232 test_run_rand = NULL;
1233 while (strchr (" \t\v\r\n\f", *rseed))
1234 rseed++;
1235 if (strncmp (rseed, "R02S", 4) == 0) /* seed for random generator 02 (GRand-2.2) */
1236 {
1237 const char *s = rseed + 4;
1238 if (strlen (s) >= 32) /* require 4 * 8 chars */
1239 {
1240 guint32 seedarray[4];
1241 gchar *p, hexbuf[9] = { 0, };
1242 memcpy (hexbuf, s + 0, 8);
1243 seedarray[0] = g_ascii_strtoull (hexbuf, &p, 16);
1244 seed_failed += p != NULL && *p != 0;
1245 memcpy (hexbuf, s + 8, 8);
1246 seedarray[1] = g_ascii_strtoull (hexbuf, &p, 16);
1247 seed_failed += p != NULL && *p != 0;
1248 memcpy (hexbuf, s + 16, 8);
1249 seedarray[2] = g_ascii_strtoull (hexbuf, &p, 16);
1250 seed_failed += p != NULL && *p != 0;
1251 memcpy (hexbuf, s + 24, 8);
1252 seedarray[3] = g_ascii_strtoull (hexbuf, &p, 16);
1253 seed_failed += p != NULL && *p != 0;
1254 if (!seed_failed)
1255 {
1256 test_run_rand = g_rand_new_with_seed_array (seedarray, 4);
1257 return;
1258 }
1259 }
1260 }
1261 g_error ("Unknown or invalid random seed: %s", rseed);
1262 }
1263  
1264 /**
1265 * g_test_rand_int:
1266 *
1267 * Get a reproducible random integer number.
1268 *
1269 * The random numbers generated by the g_test_rand_*() family of functions
1270 * change with every new test program start, unless the --seed option is
1271 * given when starting test programs.
1272 *
1273 * For individual test cases however, the random number generator is
1274 * reseeded, to avoid dependencies between tests and to make --seed
1275 * effective for all test cases.
1276 *
1277 * Returns: a random number from the seeded random number generator.
1278 *
1279 * Since: 2.16
1280 */
1281 gint32
1282 g_test_rand_int (void)
1283 {
1284 return g_rand_int (test_run_rand);
1285 }
1286  
1287 /**
1288 * g_test_rand_int_range:
1289 * @begin: the minimum value returned by this function
1290 * @end: the smallest value not to be returned by this function
1291 *
1292 * Get a reproducible random integer number out of a specified range,
1293 * see g_test_rand_int() for details on test case random numbers.
1294 *
1295 * Returns: a number with @begin <= number < @end.
1296 *
1297 * Since: 2.16
1298 */
1299 gint32
1300 g_test_rand_int_range (gint32 begin,
1301 gint32 end)
1302 {
1303 return g_rand_int_range (test_run_rand, begin, end);
1304 }
1305  
1306 /**
1307 * g_test_rand_double:
1308 *
1309 * Get a reproducible random floating point number,
1310 * see g_test_rand_int() for details on test case random numbers.
1311 *
1312 * Returns: a random number from the seeded random number generator.
1313 *
1314 * Since: 2.16
1315 */
1316 double
1317 g_test_rand_double (void)
1318 {
1319 return g_rand_double (test_run_rand);
1320 }
1321  
1322 /**
1323 * g_test_rand_double_range:
1324 * @range_start: the minimum value returned by this function
1325 * @range_end: the minimum value not returned by this function
1326 *
1327 * Get a reproducible random floating pointer number out of a specified range,
1328 * see g_test_rand_int() for details on test case random numbers.
1329 *
1330 * Returns: a number with @range_start <= number < @range_end.
1331 *
1332 * Since: 2.16
1333 */
1334 double
1335 g_test_rand_double_range (double range_start,
1336 double range_end)
1337 {
1338 return g_rand_double_range (test_run_rand, range_start, range_end);
1339 }
1340  
1341 /**
1342 * g_test_timer_start:
1343 *
1344 * Start a timing test. Call g_test_timer_elapsed() when the task is supposed
1345 * to be done. Call this function again to restart the timer.
1346 *
1347 * Since: 2.16
1348 */
1349 void
1350 g_test_timer_start (void)
1351 {
1352 if (!test_user_timer)
1353 test_user_timer = g_timer_new();
1354 test_user_stamp = 0;
1355 g_timer_start (test_user_timer);
1356 }
1357  
1358 /**
1359 * g_test_timer_elapsed:
1360 *
1361 * Get the time since the last start of the timer with g_test_timer_start().
1362 *
1363 * Returns: the time since the last start of the timer, as a double
1364 *
1365 * Since: 2.16
1366 */
1367 double
1368 g_test_timer_elapsed (void)
1369 {
1370 test_user_stamp = test_user_timer ? g_timer_elapsed (test_user_timer, NULL) : 0;
1371 return test_user_stamp;
1372 }
1373  
1374 /**
1375 * g_test_timer_last:
1376 *
1377 * Report the last result of g_test_timer_elapsed().
1378 *
1379 * Returns: the last result of g_test_timer_elapsed(), as a double
1380 *
1381 * Since: 2.16
1382 */
1383 double
1384 g_test_timer_last (void)
1385 {
1386 return test_user_stamp;
1387 }
1388  
1389 /**
1390 * g_test_minimized_result:
1391 * @minimized_quantity: the reported value
1392 * @format: the format string of the report message
1393 * @...: arguments to pass to the printf() function
1394 *
1395 * Report the result of a performance or measurement test.
1396 * The test should generally strive to minimize the reported
1397 * quantities (smaller values are better than larger ones),
1398 * this and @minimized_quantity can determine sorting
1399 * order for test result reports.
1400 *
1401 * Since: 2.16
1402 */
1403 void
1404 g_test_minimized_result (double minimized_quantity,
1405 const char *format,
1406 ...)
1407 {
1408 long double largs = minimized_quantity;
1409 gchar *buffer;
1410 va_list args;
1411  
1412 va_start (args, format);
1413 buffer = g_strdup_vprintf (format, args);
1414 va_end (args);
1415  
1416 g_test_log (G_TEST_LOG_MIN_RESULT, buffer, NULL, 1, &largs);
1417 g_free (buffer);
1418 }
1419  
1420 /**
1421 * g_test_maximized_result:
1422 * @maximized_quantity: the reported value
1423 * @format: the format string of the report message
1424 * @...: arguments to pass to the printf() function
1425 *
1426 * Report the result of a performance or measurement test.
1427 * The test should generally strive to maximize the reported
1428 * quantities (larger values are better than smaller ones),
1429 * this and @maximized_quantity can determine sorting
1430 * order for test result reports.
1431 *
1432 * Since: 2.16
1433 */
1434 void
1435 g_test_maximized_result (double maximized_quantity,
1436 const char *format,
1437 ...)
1438 {
1439 long double largs = maximized_quantity;
1440 gchar *buffer;
1441 va_list args;
1442  
1443 va_start (args, format);
1444 buffer = g_strdup_vprintf (format, args);
1445 va_end (args);
1446  
1447 g_test_log (G_TEST_LOG_MAX_RESULT, buffer, NULL, 1, &largs);
1448 g_free (buffer);
1449 }
1450  
1451 /**
1452 * g_test_message:
1453 * @format: the format string
1454 * @...: printf-like arguments to @format
1455 *
1456 * Add a message to the test report.
1457 *
1458 * Since: 2.16
1459 */
1460 void
1461 g_test_message (const char *format,
1462 ...)
1463 {
1464 gchar *buffer;
1465 va_list args;
1466  
1467 va_start (args, format);
1468 buffer = g_strdup_vprintf (format, args);
1469 va_end (args);
1470  
1471 g_test_log (G_TEST_LOG_MESSAGE, buffer, NULL, 0, NULL);
1472 g_free (buffer);
1473 }
1474  
1475 /**
1476 * g_test_bug_base:
1477 * @uri_pattern: the base pattern for bug URIs
1478 *
1479 * Specify the base URI for bug reports.
1480 *
1481 * The base URI is used to construct bug report messages for
1482 * g_test_message() when g_test_bug() is called.
1483 * Calling this function outside of a test case sets the
1484 * default base URI for all test cases. Calling it from within
1485 * a test case changes the base URI for the scope of the test
1486 * case only.
1487 * Bug URIs are constructed by appending a bug specific URI
1488 * portion to @uri_pattern, or by replacing the special string
1489 * '\%s' within @uri_pattern if that is present.
1490 *
1491 * Since: 2.16
1492 */
1493 void
1494 g_test_bug_base (const char *uri_pattern)
1495 {
1496 g_free (test_uri_base);
1497 test_uri_base = g_strdup (uri_pattern);
1498 }
1499  
1500 /**
1501 * g_test_bug:
1502 * @bug_uri_snippet: Bug specific bug tracker URI portion.
1503 *
1504 * This function adds a message to test reports that
1505 * associates a bug URI with a test case.
1506 * Bug URIs are constructed from a base URI set with g_test_bug_base()
1507 * and @bug_uri_snippet.
1508 *
1509 * Since: 2.16
1510 */
1511 void
1512 g_test_bug (const char *bug_uri_snippet)
1513 {
1514 char *c;
1515  
1516 g_return_if_fail (test_uri_base != NULL);
1517 g_return_if_fail (bug_uri_snippet != NULL);
1518  
1519 c = strstr (test_uri_base, "%s");
1520 if (c)
1521 {
1522 char *b = g_strndup (test_uri_base, c - test_uri_base);
1523 char *s = g_strconcat (b, bug_uri_snippet, c + 2, NULL);
1524 g_free (b);
1525 g_test_message ("Bug Reference: %s", s);
1526 g_free (s);
1527 }
1528 else
1529 g_test_message ("Bug Reference: %s%s", test_uri_base, bug_uri_snippet);
1530 }
1531  
1532 /**
1533 * g_test_get_root:
1534 *
1535 * Get the toplevel test suite for the test path API.
1536 *
1537 * Returns: the toplevel #GTestSuite
1538 *
1539 * Since: 2.16
1540 */
1541 GTestSuite*
1542 g_test_get_root (void)
1543 {
1544 if (!test_suite_root)
1545 {
1546 test_suite_root = g_test_create_suite ("root");
1547 g_free (test_suite_root->name);
1548 test_suite_root->name = g_strdup ("");
1549 }
1550  
1551 return test_suite_root;
1552 }
1553  
1554 /**
1555 * g_test_run:
1556 *
1557 * Runs all tests under the toplevel suite which can be retrieved
1558 * with g_test_get_root(). Similar to g_test_run_suite(), the test
1559 * cases to be run are filtered according to test path arguments
1560 * (`-p testpath`) as parsed by g_test_init(). g_test_run_suite()
1561 * or g_test_run() may only be called once in a program.
1562 *
1563 * In general, the tests and sub-suites within each suite are run in
1564 * the order in which they are defined. However, note that prior to
1565 * GLib 2.36, there was a bug in the `g_test_add_*`
1566 * functions which caused them to create multiple suites with the same
1567 * name, meaning that if you created tests "/foo/simple",
1568 * "/bar/simple", and "/foo/using-bar" in that order, they would get
1569 * run in that order (since g_test_run() would run the first "/foo"
1570 * suite, then the "/bar" suite, then the second "/foo" suite). As of
1571 * 2.36, this bug is fixed, and adding the tests in that order would
1572 * result in a running order of "/foo/simple", "/foo/using-bar",
1573 * "/bar/simple". If this new ordering is sub-optimal (because it puts
1574 * more-complicated tests before simpler ones, making it harder to
1575 * figure out exactly what has failed), you can fix it by changing the
1576 * test paths to group tests by suite in a way that will result in the
1577 * desired running order. Eg, "/simple/foo", "/simple/bar",
1578 * "/complex/foo-using-bar".
1579 *
1580 * However, you should never make the actual result of a test depend
1581 * on the order that tests are run in. If you need to ensure that some
1582 * particular code runs before or after a given test case, use
1583 * g_test_add(), which lets you specify setup and teardown functions.
1584 *
1585 * If all tests are skipped, this function will return 0 if
1586 * producing TAP output, or 77 (treated as "skip test" by Automake) otherwise.
1587 *
1588 * Returns: 0 on success, 1 on failure (assuming it returns at all),
1589 * 0 or 77 if all tests were skipped with g_test_skip()
1590 *
1591 * Since: 2.16
1592 */
1593 int
1594 g_test_run (void)
1595 {
1596 if (g_test_run_suite (g_test_get_root()) != 0)
1597 return 1;
1598  
1599 /* 77 is special to Automake's default driver, but not Automake's TAP driver
1600 * or Perl's prove(1) TAP driver. */
1601 if (test_tap_log)
1602 return 0;
1603  
1604 if (test_run_count > 0 && test_run_count == test_skipped_count)
1605 return 77;
1606 else
1607 return 0;
1608 }
1609  
1610 /**
1611 * g_test_create_case:
1612 * @test_name: the name for the test case
1613 * @data_size: the size of the fixture data structure
1614 * @test_data: test data argument for the test functions
1615 * @data_setup: (scope async): the function to set up the fixture data
1616 * @data_test: (scope async): the actual test function
1617 * @data_teardown: (scope async): the function to teardown the fixture data
1618 *
1619 * Create a new #GTestCase, named @test_name, this API is fairly
1620 * low level, calling g_test_add() or g_test_add_func() is preferable.
1621 * When this test is executed, a fixture structure of size @data_size
1622 * will be automatically allocated and filled with zeros. Then @data_setup is
1623 * called to initialize the fixture. After fixture setup, the actual test
1624 * function @data_test is called. Once the test run completes, the
1625 * fixture structure is torn down by calling @data_teardown and
1626 * after that the memory is automatically released by the test framework.
1627 *
1628 * Splitting up a test run into fixture setup, test function and
1629 * fixture teardown is most useful if the same fixture is used for
1630 * multiple tests. In this cases, g_test_create_case() will be
1631 * called with the same fixture, but varying @test_name and
1632 * @data_test arguments.
1633 *
1634 * Returns: a newly allocated #GTestCase.
1635 *
1636 * Since: 2.16
1637 */
1638 GTestCase*
1639 g_test_create_case (const char *test_name,
1640 gsize data_size,
1641 gconstpointer test_data,
1642 GTestFixtureFunc data_setup,
1643 GTestFixtureFunc data_test,
1644 GTestFixtureFunc data_teardown)
1645 {
1646 GTestCase *tc;
1647  
1648 g_return_val_if_fail (test_name != NULL, NULL);
1649 g_return_val_if_fail (strchr (test_name, '/') == NULL, NULL);
1650 g_return_val_if_fail (test_name[0] != 0, NULL);
1651 g_return_val_if_fail (data_test != NULL, NULL);
1652  
1653 tc = g_slice_new0 (GTestCase);
1654 tc->name = g_strdup (test_name);
1655 tc->test_data = (gpointer) test_data;
1656 tc->fixture_size = data_size;
1657 tc->fixture_setup = (void*) data_setup;
1658 tc->fixture_test = (void*) data_test;
1659 tc->fixture_teardown = (void*) data_teardown;
1660  
1661 return tc;
1662 }
1663  
1664 static gint
1665 find_suite (gconstpointer l, gconstpointer s)
1666 {
1667 const GTestSuite *suite = l;
1668 const gchar *str = s;
1669  
1670 return strcmp (suite->name, str);
1671 }
1672  
1673 static gint
1674 find_case (gconstpointer l, gconstpointer s)
1675 {
1676 const GTestCase *tc = l;
1677 const gchar *str = s;
1678  
1679 return strcmp (tc->name, str);
1680 }
1681  
1682 /**
1683 * GTestFixtureFunc:
1684 * @fixture: (not nullable): the test fixture
1685 * @user_data: the data provided when registering the test
1686 *
1687 * The type used for functions that operate on test fixtures. This is
1688 * used for the fixture setup and teardown functions as well as for the
1689 * testcases themselves.
1690 *
1691 * @user_data is a pointer to the data that was given when registering
1692 * the test case.
1693 *
1694 * @fixture will be a pointer to the area of memory allocated by the
1695 * test framework, of the size requested. If the requested size was
1696 * zero then @fixture will be equal to @user_data.
1697 *
1698 * Since: 2.28
1699 */
1700 void
1701 g_test_add_vtable (const char *testpath,
1702 gsize data_size,
1703 gconstpointer test_data,
1704 GTestFixtureFunc data_setup,
1705 GTestFixtureFunc fixture_test_func,
1706 GTestFixtureFunc data_teardown)
1707 {
1708 gchar **segments;
1709 guint ui;
1710 GTestSuite *suite;
1711  
1712 g_return_if_fail (testpath != NULL);
1713 g_return_if_fail (g_path_is_absolute (testpath));
1714 g_return_if_fail (fixture_test_func != NULL);
1715  
1716 if (g_slist_find_custom (test_paths_skipped, testpath, (GCompareFunc)g_strcmp0))
1717 return;
1718  
1719 suite = g_test_get_root();
1720 segments = g_strsplit (testpath, "/", -1);
1721 for (ui = 0; segments[ui] != NULL; ui++)
1722 {
1723 const char *seg = segments[ui];
1724 gboolean islast = segments[ui + 1] == NULL;
1725 if (islast && !seg[0])
1726 g_error ("invalid test case path: %s", testpath);
1727 else if (!seg[0])
1728 continue; /* initial or duplicate slash */
1729 else if (!islast)
1730 {
1731 GSList *l;
1732 GTestSuite *csuite;
1733 l = g_slist_find_custom (suite->suites, seg, find_suite);
1734 if (l)
1735 {
1736 csuite = l->data;
1737 }
1738 else
1739 {
1740 csuite = g_test_create_suite (seg);
1741 g_test_suite_add_suite (suite, csuite);
1742 }
1743 suite = csuite;
1744 }
1745 else /* islast */
1746 {
1747 GTestCase *tc;
1748  
1749 if (g_slist_find_custom (suite->cases, seg, find_case))
1750 g_error ("duplicate test case path: %s", testpath);
1751  
1752 tc = g_test_create_case (seg, data_size, test_data, data_setup, fixture_test_func, data_teardown);
1753 g_test_suite_add (suite, tc);
1754 }
1755 }
1756 g_strfreev (segments);
1757 }
1758  
1759 /**
1760 * g_test_fail:
1761 *
1762 * Indicates that a test failed. This function can be called
1763 * multiple times from the same test. You can use this function
1764 * if your test failed in a recoverable way.
1765 *
1766 * Do not use this function if the failure of a test could cause
1767 * other tests to malfunction.
1768 *
1769 * Calling this function will not stop the test from running, you
1770 * need to return from the test function yourself. So you can
1771 * produce additional diagnostic messages or even continue running
1772 * the test.
1773 *
1774 * If not called from inside a test, this function does nothing.
1775 *
1776 * Since: 2.30
1777 **/
1778 void
1779 g_test_fail (void)
1780 {
1781 test_run_success = G_TEST_RUN_FAILURE;
1782 }
1783  
1784 /**
1785 * g_test_incomplete:
1786 * @msg: (allow-none): explanation
1787 *
1788 * Indicates that a test failed because of some incomplete
1789 * functionality. This function can be called multiple times
1790 * from the same test.
1791 *
1792 * Calling this function will not stop the test from running, you
1793 * need to return from the test function yourself. So you can
1794 * produce additional diagnostic messages or even continue running
1795 * the test.
1796 *
1797 * If not called from inside a test, this function does nothing.
1798 *
1799 * Since: 2.38
1800 */
1801 void
1802 g_test_incomplete (const gchar *msg)
1803 {
1804 test_run_success = G_TEST_RUN_INCOMPLETE;
1805 g_free (test_run_msg);
1806 test_run_msg = g_strdup (msg);
1807 }
1808  
1809 /**
1810 * g_test_skip:
1811 * @msg: (allow-none): explanation
1812 *
1813 * Indicates that a test was skipped.
1814 *
1815 * Calling this function will not stop the test from running, you
1816 * need to return from the test function yourself. So you can
1817 * produce additional diagnostic messages or even continue running
1818 * the test.
1819 *
1820 * If not called from inside a test, this function does nothing.
1821 *
1822 * Since: 2.38
1823 */
1824 void
1825 g_test_skip (const gchar *msg)
1826 {
1827 test_run_success = G_TEST_RUN_SKIPPED;
1828 g_free (test_run_msg);
1829 test_run_msg = g_strdup (msg);
1830 }
1831  
1832 /**
1833 * g_test_failed:
1834 *
1835 * Returns whether a test has already failed. This will
1836 * be the case when g_test_fail(), g_test_incomplete()
1837 * or g_test_skip() have been called, but also if an
1838 * assertion has failed.
1839 *
1840 * This can be useful to return early from a test if
1841 * continuing after a failed assertion might be harmful.
1842 *
1843 * The return value of this function is only meaningful
1844 * if it is called from inside a test function.
1845 *
1846 * Returns: %TRUE if the test has failed
1847 *
1848 * Since: 2.38
1849 */
1850 gboolean
1851 g_test_failed (void)
1852 {
1853 return test_run_success != G_TEST_RUN_SUCCESS;
1854 }
1855  
1856 /**
1857 * g_test_set_nonfatal_assertions:
1858 *
1859 * Changes the behaviour of g_assert_cmpstr(), g_assert_cmpint(),
1860 * g_assert_cmpuint(), g_assert_cmphex(), g_assert_cmpfloat(),
1861 * g_assert_true(), g_assert_false(), g_assert_null(), g_assert_no_error(),
1862 * g_assert_error(), g_test_assert_expected_messages() and the various
1863 * g_test_trap_assert_*() macros to not abort to program, but instead
1864 * call g_test_fail() and continue. (This also changes the behavior of
1865 * g_test_fail() so that it will not cause the test program to abort
1866 * after completing the failed test.)
1867 *
1868 * Note that the g_assert_not_reached() and g_assert() are not
1869 * affected by this.
1870 *
1871 * This function can only be called after g_test_init().
1872 *
1873 * Since: 2.38
1874 */
1875 void
1876 g_test_set_nonfatal_assertions (void)
1877 {
1878 if (!g_test_config_vars->test_initialized)
1879 g_error ("g_test_set_nonfatal_assertions called without g_test_init");
1880 test_nonfatal_assertions = TRUE;
1881 test_mode_fatal = FALSE;
1882 }
1883  
1884 /**
1885 * GTestFunc:
1886 *
1887 * The type used for test case functions.
1888 *
1889 * Since: 2.28
1890 */
1891  
1892 /**
1893 * g_test_add_func:
1894 * @testpath: /-separated test case path name for the test.
1895 * @test_func: (scope async): The test function to invoke for this test.
1896 *
1897 * Create a new test case, similar to g_test_create_case(). However
1898 * the test is assumed to use no fixture, and test suites are automatically
1899 * created on the fly and added to the root fixture, based on the
1900 * slash-separated portions of @testpath.
1901 *
1902 * If @testpath includes the component "subprocess" anywhere in it,
1903 * the test will be skipped by default, and only run if explicitly
1904 * required via the `-p` command-line option or g_test_trap_subprocess().
1905 *
1906 * Since: 2.16
1907 */
1908 void
1909 g_test_add_func (const char *testpath,
1910 GTestFunc test_func)
1911 {
1912 g_return_if_fail (testpath != NULL);
1913 g_return_if_fail (testpath[0] == '/');
1914 g_return_if_fail (test_func != NULL);
1915 g_test_add_vtable (testpath, 0, NULL, NULL, (GTestFixtureFunc) test_func, NULL);
1916 }
1917  
1918 /**
1919 * GTestDataFunc:
1920 * @user_data: the data provided when registering the test
1921 *
1922 * The type used for test case functions that take an extra pointer
1923 * argument.
1924 *
1925 * Since: 2.28
1926 */
1927  
1928 /**
1929 * g_test_add_data_func:
1930 * @testpath: /-separated test case path name for the test.
1931 * @test_data: Test data argument for the test function.
1932 * @test_func: (scope async): The test function to invoke for this test.
1933 *
1934 * Create a new test case, similar to g_test_create_case(). However
1935 * the test is assumed to use no fixture, and test suites are automatically
1936 * created on the fly and added to the root fixture, based on the
1937 * slash-separated portions of @testpath. The @test_data argument
1938 * will be passed as first argument to @test_func.
1939 *
1940 * If @testpath includes the component "subprocess" anywhere in it,
1941 * the test will be skipped by default, and only run if explicitly
1942 * required via the `-p` command-line option or g_test_trap_subprocess().
1943 *
1944 * Since: 2.16
1945 */
1946 void
1947 g_test_add_data_func (const char *testpath,
1948 gconstpointer test_data,
1949 GTestDataFunc test_func)
1950 {
1951 g_return_if_fail (testpath != NULL);
1952 g_return_if_fail (testpath[0] == '/');
1953 g_return_if_fail (test_func != NULL);
1954  
1955 g_test_add_vtable (testpath, 0, test_data, NULL, (GTestFixtureFunc) test_func, NULL);
1956 }
1957  
1958 /**
1959 * g_test_add_data_func_full:
1960 * @testpath: /-separated test case path name for the test.
1961 * @test_data: Test data argument for the test function.
1962 * @test_func: The test function to invoke for this test.
1963 * @data_free_func: #GDestroyNotify for @test_data.
1964 *
1965 * Create a new test case, as with g_test_add_data_func(), but freeing
1966 * @test_data after the test run is complete.
1967 *
1968 * Since: 2.34
1969 */
1970 void
1971 g_test_add_data_func_full (const char *testpath,
1972 gpointer test_data,
1973 GTestDataFunc test_func,
1974 GDestroyNotify data_free_func)
1975 {
1976 g_return_if_fail (testpath != NULL);
1977 g_return_if_fail (testpath[0] == '/');
1978 g_return_if_fail (test_func != NULL);
1979  
1980 g_test_add_vtable (testpath, 0, test_data, NULL,
1981 (GTestFixtureFunc) test_func,
1982 (GTestFixtureFunc) data_free_func);
1983 }
1984  
1985 static gboolean
1986 g_test_suite_case_exists (GTestSuite *suite,
1987 const char *test_path)
1988 {
1989 GSList *iter;
1990 char *slash;
1991 GTestCase *tc;
1992  
1993 test_path++;
1994 slash = strchr (test_path, '/');
1995  
1996 if (slash)
1997 {
1998 for (iter = suite->suites; iter; iter = iter->next)
1999 {
2000 GTestSuite *child_suite = iter->data;
2001  
2002 if (!strncmp (child_suite->name, test_path, slash - test_path))
2003 if (g_test_suite_case_exists (child_suite, slash))
2004 return TRUE;
2005 }
2006 }
2007 else
2008 {
2009 for (iter = suite->cases; iter; iter = iter->next)
2010 {
2011 tc = iter->data;
2012 if (!strcmp (tc->name, test_path))
2013 return TRUE;
2014 }
2015 }
2016  
2017 return FALSE;
2018 }
2019  
2020 /**
2021 * g_test_create_suite:
2022 * @suite_name: a name for the suite
2023 *
2024 * Create a new test suite with the name @suite_name.
2025 *
2026 * Returns: A newly allocated #GTestSuite instance.
2027 *
2028 * Since: 2.16
2029 */
2030 GTestSuite*
2031 g_test_create_suite (const char *suite_name)
2032 {
2033 GTestSuite *ts;
2034 g_return_val_if_fail (suite_name != NULL, NULL);
2035 g_return_val_if_fail (strchr (suite_name, '/') == NULL, NULL);
2036 g_return_val_if_fail (suite_name[0] != 0, NULL);
2037 ts = g_slice_new0 (GTestSuite);
2038 ts->name = g_strdup (suite_name);
2039 return ts;
2040 }
2041  
2042 /**
2043 * g_test_suite_add:
2044 * @suite: a #GTestSuite
2045 * @test_case: a #GTestCase
2046 *
2047 * Adds @test_case to @suite.
2048 *
2049 * Since: 2.16
2050 */
2051 void
2052 g_test_suite_add (GTestSuite *suite,
2053 GTestCase *test_case)
2054 {
2055 g_return_if_fail (suite != NULL);
2056 g_return_if_fail (test_case != NULL);
2057  
2058 suite->cases = g_slist_append (suite->cases, test_case);
2059 }
2060  
2061 /**
2062 * g_test_suite_add_suite:
2063 * @suite: a #GTestSuite
2064 * @nestedsuite: another #GTestSuite
2065 *
2066 * Adds @nestedsuite to @suite.
2067 *
2068 * Since: 2.16
2069 */
2070 void
2071 g_test_suite_add_suite (GTestSuite *suite,
2072 GTestSuite *nestedsuite)
2073 {
2074 g_return_if_fail (suite != NULL);
2075 g_return_if_fail (nestedsuite != NULL);
2076  
2077 suite->suites = g_slist_append (suite->suites, nestedsuite);
2078 }
2079  
2080 /**
2081 * g_test_queue_free:
2082 * @gfree_pointer: the pointer to be stored.
2083 *
2084 * Enqueue a pointer to be released with g_free() during the next
2085 * teardown phase. This is equivalent to calling g_test_queue_destroy()
2086 * with a destroy callback of g_free().
2087 *
2088 * Since: 2.16
2089 */
2090 void
2091 g_test_queue_free (gpointer gfree_pointer)
2092 {
2093 if (gfree_pointer)
2094 g_test_queue_destroy (g_free, gfree_pointer);
2095 }
2096  
2097 /**
2098 * g_test_queue_destroy:
2099 * @destroy_func: Destroy callback for teardown phase.
2100 * @destroy_data: Destroy callback data.
2101 *
2102 * This function enqueus a callback @destroy_func to be executed
2103 * during the next test case teardown phase. This is most useful
2104 * to auto destruct allocted test resources at the end of a test run.
2105 * Resources are released in reverse queue order, that means enqueueing
2106 * callback A before callback B will cause B() to be called before
2107 * A() during teardown.
2108 *
2109 * Since: 2.16
2110 */
2111 void
2112 g_test_queue_destroy (GDestroyNotify destroy_func,
2113 gpointer destroy_data)
2114 {
2115 DestroyEntry *dentry;
2116  
2117 g_return_if_fail (destroy_func != NULL);
2118  
2119 dentry = g_slice_new0 (DestroyEntry);
2120 dentry->destroy_func = destroy_func;
2121 dentry->destroy_data = destroy_data;
2122 dentry->next = test_destroy_queue;
2123 test_destroy_queue = dentry;
2124 }
2125  
2126 static gboolean
2127 test_case_run (GTestCase *tc)
2128 {
2129 gchar *old_base = g_strdup (test_uri_base);
2130 GSList **old_free_list, *filename_free_list = NULL;
2131 gboolean success = G_TEST_RUN_SUCCESS;
2132  
2133 old_free_list = test_filename_free_list;
2134 test_filename_free_list = &filename_free_list;
2135  
2136 if (++test_run_count <= test_startup_skip_count)
2137 g_test_log (G_TEST_LOG_SKIP_CASE, test_run_name, NULL, 0, NULL);
2138 else if (test_run_list)
2139 {
2140 g_print ("%s\n", test_run_name);
2141 g_test_log (G_TEST_LOG_LIST_CASE, test_run_name, NULL, 0, NULL);
2142 }
2143 else
2144 {
2145 GTimer *test_run_timer = g_timer_new();
2146 long double largs[3];
2147 void *fixture;
2148 g_test_log (G_TEST_LOG_START_CASE, test_run_name, NULL, 0, NULL);
2149 test_run_forks = 0;
2150 test_run_success = G_TEST_RUN_SUCCESS;
2151 g_clear_pointer (&test_run_msg, g_free);
2152 g_test_log_set_fatal_handler (NULL, NULL);
2153 g_timer_start (test_run_timer);
2154 fixture = tc->fixture_size ? g_malloc0 (tc->fixture_size) : tc->test_data;
2155 test_run_seed (test_run_seedstr);
2156 if (tc->fixture_setup)
2157 tc->fixture_setup (fixture, tc->test_data);
2158 tc->fixture_test (fixture, tc->test_data);
2159 test_trap_clear();
2160 while (test_destroy_queue)
2161 {
2162 DestroyEntry *dentry = test_destroy_queue;
2163 test_destroy_queue = dentry->next;
2164 dentry->destroy_func (dentry->destroy_data);
2165 g_slice_free (DestroyEntry, dentry);
2166 }
2167 if (tc->fixture_teardown)
2168 tc->fixture_teardown (fixture, tc->test_data);
2169 if (tc->fixture_size)
2170 g_free (fixture);
2171 g_timer_stop (test_run_timer);
2172 success = test_run_success;
2173 test_run_success = G_TEST_RUN_FAILURE;
2174 largs[0] = success; /* OK */
2175 largs[1] = test_run_forks;
2176 largs[2] = g_timer_elapsed (test_run_timer, NULL);
2177 g_test_log (G_TEST_LOG_STOP_CASE, test_run_name, test_run_msg, G_N_ELEMENTS (largs), largs);
2178 g_clear_pointer (&test_run_msg, g_free);
2179 g_timer_destroy (test_run_timer);
2180 }
2181  
2182 g_slist_free_full (filename_free_list, g_free);
2183 test_filename_free_list = old_free_list;
2184 g_free (test_uri_base);
2185 test_uri_base = old_base;
2186  
2187 return (success == G_TEST_RUN_SUCCESS ||
2188 success == G_TEST_RUN_SKIPPED);
2189 }
2190  
2191 static gboolean
2192 path_has_prefix (const char *path,
2193 const char *prefix)
2194 {
2195 int prefix_len = strlen (prefix);
2196  
2197 return (strncmp (path, prefix, prefix_len) == 0 &&
2198 (path[prefix_len] == '\0' ||
2199 path[prefix_len] == '/'));
2200 }
2201  
2202 static gboolean
2203 test_should_run (const char *test_path,
2204 const char *cmp_path)
2205 {
2206 if (strstr (test_run_name, "/subprocess"))
2207 {
2208 if (g_strcmp0 (test_path, cmp_path) == 0)
2209 return TRUE;
2210  
2211 if (g_test_verbose ())
2212 g_print ("GTest: skipping: %s\n", test_run_name);
2213 return FALSE;
2214 }
2215  
2216 return !cmp_path || path_has_prefix (test_path, cmp_path);
2217 }
2218  
2219 /* Recurse through @suite, running tests matching @path (or all tests
2220 * if @path is %NULL).
2221 */
2222 static int
2223 g_test_run_suite_internal (GTestSuite *suite,
2224 const char *path)
2225 {
2226 guint n_bad = 0;
2227 gchar *old_name = test_run_name;
2228 GSList *iter;
2229  
2230 g_return_val_if_fail (suite != NULL, -1);
2231  
2232 g_test_log (G_TEST_LOG_START_SUITE, suite->name, NULL, 0, NULL);
2233  
2234 for (iter = suite->cases; iter; iter = iter->next)
2235 {
2236 GTestCase *tc = iter->data;
2237  
2238 test_run_name = g_build_path ("/", old_name, tc->name, NULL);
2239 if (test_should_run (test_run_name, path))
2240 {
2241 if (!test_case_run (tc))
2242 n_bad++;
2243 }
2244 g_free (test_run_name);
2245 }
2246  
2247 for (iter = suite->suites; iter; iter = iter->next)
2248 {
2249 GTestSuite *ts = iter->data;
2250  
2251 test_run_name = g_build_path ("/", old_name, ts->name, NULL);
2252 if (!path || path_has_prefix (path, test_run_name))
2253 n_bad += g_test_run_suite_internal (ts, path);
2254 g_free (test_run_name);
2255 }
2256  
2257 test_run_name = old_name;
2258  
2259 g_test_log (G_TEST_LOG_STOP_SUITE, suite->name, NULL, 0, NULL);
2260  
2261 return n_bad;
2262 }
2263  
2264 static int
2265 g_test_suite_count (GTestSuite *suite)
2266 {
2267 int n = 0;
2268 GSList *iter;
2269  
2270 g_return_val_if_fail (suite != NULL, -1);
2271  
2272 for (iter = suite->cases; iter; iter = iter->next)
2273 {
2274 GTestCase *tc = iter->data;
2275  
2276 if (strcmp (tc->name, "subprocess") != 0)
2277 n++;
2278 }
2279  
2280 for (iter = suite->suites; iter; iter = iter->next)
2281 {
2282 GTestSuite *ts = iter->data;
2283  
2284 if (strcmp (ts->name, "subprocess") != 0)
2285 n += g_test_suite_count (ts);
2286 }
2287  
2288 return n;
2289 }
2290  
2291 /**
2292 * g_test_run_suite:
2293 * @suite: a #GTestSuite
2294 *
2295 * Execute the tests within @suite and all nested #GTestSuites.
2296 * The test suites to be executed are filtered according to
2297 * test path arguments (`-p testpath`) as parsed by g_test_init().
2298 * See the g_test_run() documentation for more information on the
2299 * order that tests are run in.
2300 *
2301 * g_test_run_suite() or g_test_run() may only be called once
2302 * in a program.
2303 *
2304 * Returns: 0 on success
2305 *
2306 * Since: 2.16
2307 */
2308 int
2309 g_test_run_suite (GTestSuite *suite)
2310 {
2311 int n_bad = 0;
2312  
2313 g_return_val_if_fail (g_test_run_once == TRUE, -1);
2314  
2315 g_test_run_once = FALSE;
2316 test_count = g_test_suite_count (suite);
2317  
2318 test_run_name = g_strdup_printf ("/%s", suite->name);
2319  
2320 if (test_paths)
2321 {
2322 GSList *iter;
2323  
2324 for (iter = test_paths; iter; iter = iter->next)
2325 n_bad += g_test_run_suite_internal (suite, iter->data);
2326 }
2327 else
2328 n_bad = g_test_run_suite_internal (suite, NULL);
2329  
2330 g_free (test_run_name);
2331 test_run_name = NULL;
2332  
2333 return n_bad;
2334 }
2335  
2336 static void
2337 gtest_default_log_handler (const gchar *log_domain,
2338 GLogLevelFlags log_level,
2339 const gchar *message,
2340 gpointer unused_data)
2341 {
2342 const gchar *strv[16];
2343 gboolean fatal = FALSE;
2344 gchar *msg;
2345 guint i = 0;
2346  
2347 if (log_domain)
2348 {
2349 strv[i++] = log_domain;
2350 strv[i++] = "-";
2351 }
2352 if (log_level & G_LOG_FLAG_FATAL)
2353 {
2354 strv[i++] = "FATAL-";
2355 fatal = TRUE;
2356 }
2357 if (log_level & G_LOG_FLAG_RECURSION)
2358 strv[i++] = "RECURSIVE-";
2359 if (log_level & G_LOG_LEVEL_ERROR)
2360 strv[i++] = "ERROR";
2361 if (log_level & G_LOG_LEVEL_CRITICAL)
2362 strv[i++] = "CRITICAL";
2363 if (log_level & G_LOG_LEVEL_WARNING)
2364 strv[i++] = "WARNING";
2365 if (log_level & G_LOG_LEVEL_MESSAGE)
2366 strv[i++] = "MESSAGE";
2367 if (log_level & G_LOG_LEVEL_INFO)
2368 strv[i++] = "INFO";
2369 if (log_level & G_LOG_LEVEL_DEBUG)
2370 strv[i++] = "DEBUG";
2371 strv[i++] = ": ";
2372 strv[i++] = message;
2373 strv[i++] = NULL;
2374  
2375 msg = g_strjoinv ("", (gchar**) strv);
2376 g_test_log (fatal ? G_TEST_LOG_ERROR : G_TEST_LOG_MESSAGE, msg, NULL, 0, NULL);
2377 g_log_default_handler (log_domain, log_level, message, unused_data);
2378  
2379 g_free (msg);
2380 }
2381  
2382 void
2383 g_assertion_message (const char *domain,
2384 const char *file,
2385 int line,
2386 const char *func,
2387 const char *message)
2388 {
2389 char lstr[32];
2390 char *s;
2391  
2392 if (!message)
2393 message = "code should not be reached";
2394 g_snprintf (lstr, 32, "%d", line);
2395 s = g_strconcat (domain ? domain : "", domain && domain[0] ? ":" : "",
2396 "ERROR:", file, ":", lstr, ":",
2397 func, func[0] ? ":" : "",
2398 " ", message, NULL);
2399 g_printerr ("**\n%s\n", s);
2400  
2401 g_test_log (G_TEST_LOG_ERROR, s, NULL, 0, NULL);
2402  
2403 if (test_nonfatal_assertions)
2404 {
2405 g_free (s);
2406 g_test_fail ();
2407 return;
2408 }
2409  
2410 /* store assertion message in global variable, so that it can be found in a
2411 * core dump */
2412 if (__glib_assert_msg != NULL)
2413 /* free the old one */
2414 free (__glib_assert_msg);
2415 __glib_assert_msg = (char*) malloc (strlen (s) + 1);
2416 strcpy (__glib_assert_msg, s);
2417  
2418 g_free (s);
2419  
2420 if (test_in_subprocess)
2421 {
2422 /* If this is a test case subprocess then it probably hit this
2423 * assertion on purpose, so just exit() rather than abort()ing,
2424 * to avoid triggering any system crash-reporting daemon.
2425 */
2426 _exit (1);
2427 }
2428 else
2429 abort ();
2430 }
2431  
2432 /**
2433 * g_assertion_message_expr: (skip)
2434 * @domain: (nullable):
2435 * @file:
2436 * @line:
2437 * @func:
2438 * @expr: (nullable):
2439 */
2440 void
2441 g_assertion_message_expr (const char *domain,
2442 const char *file,
2443 int line,
2444 const char *func,
2445 const char *expr)
2446 {
2447 char *s;
2448 if (!expr)
2449 s = g_strdup ("code should not be reached");
2450 else
2451 s = g_strconcat ("assertion failed: (", expr, ")", NULL);
2452 g_assertion_message (domain, file, line, func, s);
2453 g_free (s);
2454  
2455 /* Normally g_assertion_message() won't return, but we need this for
2456 * when test_nonfatal_assertions is set, since
2457 * g_assertion_message_expr() is used for always-fatal assertions.
2458 */
2459 if (test_in_subprocess)
2460 _exit (1);
2461 else
2462 abort ();
2463 }
2464  
2465 void
2466 g_assertion_message_cmpnum (const char *domain,
2467 const char *file,
2468 int line,
2469 const char *func,
2470 const char *expr,
2471 long double arg1,
2472 const char *cmp,
2473 long double arg2,
2474 char numtype)
2475 {
2476 char *s = NULL;
2477  
2478 switch (numtype)
2479 {
2480 case 'i': s = g_strdup_printf ("assertion failed (%s): (%" G_GINT64_MODIFIER "i %s %" G_GINT64_MODIFIER "i)", expr, (gint64) arg1, cmp, (gint64) arg2); break;
2481 case 'x': s = g_strdup_printf ("assertion failed (%s): (0x%08" G_GINT64_MODIFIER "x %s 0x%08" G_GINT64_MODIFIER "x)", expr, (guint64) arg1, cmp, (guint64) arg2); break;
2482 case 'f': s = g_strdup_printf ("assertion failed (%s): (%.9g %s %.9g)", expr, (double) arg1, cmp, (double) arg2); break;
2483 /* ideally use: floats=%.7g double=%.17g */
2484 }
2485 g_assertion_message (domain, file, line, func, s);
2486 g_free (s);
2487 }
2488  
2489 void
2490 g_assertion_message_cmpstr (const char *domain,
2491 const char *file,
2492 int line,
2493 const char *func,
2494 const char *expr,
2495 const char *arg1,
2496 const char *cmp,
2497 const char *arg2)
2498 {
2499 char *a1, *a2, *s, *t1 = NULL, *t2 = NULL;
2500 a1 = arg1 ? g_strconcat ("\"", t1 = g_strescape (arg1, NULL), "\"", NULL) : g_strdup ("NULL");
2501 a2 = arg2 ? g_strconcat ("\"", t2 = g_strescape (arg2, NULL), "\"", NULL) : g_strdup ("NULL");
2502 g_free (t1);
2503 g_free (t2);
2504 s = g_strdup_printf ("assertion failed (%s): (%s %s %s)", expr, a1, cmp, a2);
2505 g_free (a1);
2506 g_free (a2);
2507 g_assertion_message (domain, file, line, func, s);
2508 g_free (s);
2509 }
2510  
2511 void
2512 g_assertion_message_error (const char *domain,
2513 const char *file,
2514 int line,
2515 const char *func,
2516 const char *expr,
2517 const GError *error,
2518 GQuark error_domain,
2519 int error_code)
2520 {
2521 GString *gstring;
2522  
2523 /* This is used by both g_assert_error() and g_assert_no_error(), so there
2524 * are three cases: expected an error but got the wrong error, expected
2525 * an error but got no error, and expected no error but got an error.
2526 */
2527  
2528 gstring = g_string_new ("assertion failed ");
2529 if (error_domain)
2530 g_string_append_printf (gstring, "(%s == (%s, %d)): ", expr,
2531 g_quark_to_string (error_domain), error_code);
2532 else
2533 g_string_append_printf (gstring, "(%s == NULL): ", expr);
2534  
2535 if (error)
2536 g_string_append_printf (gstring, "%s (%s, %d)", error->message,
2537 g_quark_to_string (error->domain), error->code);
2538 else
2539 g_string_append_printf (gstring, "%s is NULL", expr);
2540  
2541 g_assertion_message (domain, file, line, func, gstring->str);
2542 g_string_free (gstring, TRUE);
2543 }
2544  
2545 /**
2546 * g_strcmp0:
2547 * @str1: (allow-none): a C string or %NULL
2548 * @str2: (allow-none): another C string or %NULL
2549 *
2550 * Compares @str1 and @str2 like strcmp(). Handles %NULL
2551 * gracefully by sorting it before non-%NULL strings.
2552 * Comparing two %NULL pointers returns 0.
2553 *
2554 * Returns: an integer less than, equal to, or greater than zero, if @str1 is <, == or > than @str2.
2555 *
2556 * Since: 2.16
2557 */
2558 int
2559 g_strcmp0 (const char *str1,
2560 const char *str2)
2561 {
2562 if (!str1)
2563 return -(str1 != str2);
2564 if (!str2)
2565 return str1 != str2;
2566 return strcmp (str1, str2);
2567 }
2568  
2569 static void
2570 test_trap_clear (void)
2571 {
2572 test_trap_last_status = 0;
2573 test_trap_last_pid = 0;
2574 g_clear_pointer (&test_trap_last_subprocess, g_free);
2575 g_clear_pointer (&test_trap_last_stdout, g_free);
2576 g_clear_pointer (&test_trap_last_stderr, g_free);
2577 }
2578  
2579 #ifdef G_OS_UNIX
2580  
2581 static int
2582 sane_dup2 (int fd1,
2583 int fd2)
2584 {
2585 int ret;
2586 do
2587 ret = dup2 (fd1, fd2);
2588 while (ret < 0 && errno == EINTR);
2589 return ret;
2590 }
2591  
2592 #endif
2593  
2594 typedef struct {
2595 GPid pid;
2596 GMainLoop *loop;
2597 int child_status;
2598  
2599 GIOChannel *stdout_io;
2600 gboolean echo_stdout;
2601 GString *stdout_str;
2602  
2603 GIOChannel *stderr_io;
2604 gboolean echo_stderr;
2605 GString *stderr_str;
2606 } WaitForChildData;
2607  
2608 static void
2609 check_complete (WaitForChildData *data)
2610 {
2611 if (data->child_status != -1 && data->stdout_io == NULL && data->stderr_io == NULL)
2612 g_main_loop_quit (data->loop);
2613 }
2614  
2615 static void
2616 child_exited (GPid pid,
2617 gint status,
2618 gpointer user_data)
2619 {
2620 WaitForChildData *data = user_data;
2621  
2622 #ifdef G_OS_UNIX
2623 if (WIFEXITED (status)) /* normal exit */
2624 data->child_status = WEXITSTATUS (status); /* 0..255 */
2625 else if (WIFSIGNALED (status) && WTERMSIG (status) == SIGALRM)
2626 data->child_status = G_TEST_STATUS_TIMED_OUT;
2627 else if (WIFSIGNALED (status))
2628 data->child_status = (WTERMSIG (status) << 12); /* signalled */
2629 else /* WCOREDUMP (status) */
2630 data->child_status = 512; /* coredump */
2631 #else
2632 data->child_status = status;
2633 #endif
2634  
2635 check_complete (data);
2636 }
2637  
2638 static gboolean
2639 child_timeout (gpointer user_data)
2640 {
2641 WaitForChildData *data = user_data;
2642  
2643 #ifdef G_OS_WIN32
2644 TerminateProcess (data->pid, G_TEST_STATUS_TIMED_OUT);
2645 #else
2646 kill (data->pid, SIGALRM);
2647 #endif
2648  
2649 return FALSE;
2650 }
2651  
2652 static gboolean
2653 child_read (GIOChannel *io, GIOCondition cond, gpointer user_data)
2654 {
2655 WaitForChildData *data = user_data;
2656 GIOStatus status;
2657 gsize nread, nwrote, total;
2658 gchar buf[4096];
2659 FILE *echo_file = NULL;
2660  
2661 status = g_io_channel_read_chars (io, buf, sizeof (buf), &nread, NULL);
2662 if (status == G_IO_STATUS_ERROR || status == G_IO_STATUS_EOF)
2663 {
2664 // FIXME data->error = (status == G_IO_STATUS_ERROR);
2665 if (io == data->stdout_io)
2666 g_clear_pointer (&data->stdout_io, g_io_channel_unref);
2667 else
2668 g_clear_pointer (&data->stderr_io, g_io_channel_unref);
2669  
2670 check_complete (data);
2671 return FALSE;
2672 }
2673 else if (status == G_IO_STATUS_AGAIN)
2674 return TRUE;
2675  
2676 if (io == data->stdout_io)
2677 {
2678 g_string_append_len (data->stdout_str, buf, nread);
2679 if (data->echo_stdout)
2680 echo_file = stdout;
2681 }
2682 else
2683 {
2684 g_string_append_len (data->stderr_str, buf, nread);
2685 if (data->echo_stderr)
2686 echo_file = stderr;
2687 }
2688  
2689 if (echo_file)
2690 {
2691 for (total = 0; total < nread; total += nwrote)
2692 {
2693 nwrote = fwrite (buf + total, 1, nread - total, echo_file);
2694 if (nwrote == 0)
2695 g_error ("write failed: %s", g_strerror (errno));
2696 }
2697 }
2698  
2699 return TRUE;
2700 }
2701  
2702 static void
2703 wait_for_child (GPid pid,
2704 int stdout_fd, gboolean echo_stdout,
2705 int stderr_fd, gboolean echo_stderr,
2706 guint64 timeout)
2707 {
2708 WaitForChildData data;
2709 GMainContext *context;
2710 GSource *source;
2711  
2712 data.pid = pid;
2713 data.child_status = -1;
2714  
2715 context = g_main_context_new ();
2716 data.loop = g_main_loop_new (context, FALSE);
2717  
2718 source = g_child_watch_source_new (pid);
2719 g_source_set_callback (source, (GSourceFunc) child_exited, &data, NULL);
2720 g_source_attach (source, context);
2721 g_source_unref (source);
2722  
2723 data.echo_stdout = echo_stdout;
2724 data.stdout_str = g_string_new (NULL);
2725 data.stdout_io = g_io_channel_unix_new (stdout_fd);
2726 g_io_channel_set_close_on_unref (data.stdout_io, TRUE);
2727 g_io_channel_set_encoding (data.stdout_io, NULL, NULL);
2728 g_io_channel_set_buffered (data.stdout_io, FALSE);
2729 source = g_io_create_watch (data.stdout_io, G_IO_IN | G_IO_ERR | G_IO_HUP);
2730 g_source_set_callback (source, (GSourceFunc) child_read, &data, NULL);
2731 g_source_attach (source, context);
2732 g_source_unref (source);
2733  
2734 data.echo_stderr = echo_stderr;
2735 data.stderr_str = g_string_new (NULL);
2736 data.stderr_io = g_io_channel_unix_new (stderr_fd);
2737 g_io_channel_set_close_on_unref (data.stderr_io, TRUE);
2738 g_io_channel_set_encoding (data.stderr_io, NULL, NULL);
2739 g_io_channel_set_buffered (data.stderr_io, FALSE);
2740 source = g_io_create_watch (data.stderr_io, G_IO_IN | G_IO_ERR | G_IO_HUP);
2741 g_source_set_callback (source, (GSourceFunc) child_read, &data, NULL);
2742 g_source_attach (source, context);
2743 g_source_unref (source);
2744  
2745 if (timeout)
2746 {
2747 source = g_timeout_source_new (0);
2748 g_source_set_ready_time (source, g_get_monotonic_time () + timeout);
2749 g_source_set_callback (source, (GSourceFunc) child_timeout, &data, NULL);
2750 g_source_attach (source, context);
2751 g_source_unref (source);
2752 }
2753  
2754 g_main_loop_run (data.loop);
2755 g_main_loop_unref (data.loop);
2756 g_main_context_unref (context);
2757  
2758 test_trap_last_pid = pid;
2759 test_trap_last_status = data.child_status;
2760 test_trap_last_stdout = g_string_free (data.stdout_str, FALSE);
2761 test_trap_last_stderr = g_string_free (data.stderr_str, FALSE);
2762  
2763 g_clear_pointer (&data.stdout_io, g_io_channel_unref);
2764 g_clear_pointer (&data.stderr_io, g_io_channel_unref);
2765 }
2766  
2767 /**
2768 * g_test_trap_fork:
2769 * @usec_timeout: Timeout for the forked test in micro seconds.
2770 * @test_trap_flags: Flags to modify forking behaviour.
2771 *
2772 * Fork the current test program to execute a test case that might
2773 * not return or that might abort.
2774 *
2775 * If @usec_timeout is non-0, the forked test case is aborted and
2776 * considered failing if its run time exceeds it.
2777 *
2778 * The forking behavior can be configured with the #GTestTrapFlags flags.
2779 *
2780 * In the following example, the test code forks, the forked child
2781 * process produces some sample output and exits successfully.
2782 * The forking parent process then asserts successful child program
2783 * termination and validates child program outputs.
2784 *
2785 * |[<!-- language="C" -->
2786 * static void
2787 * test_fork_patterns (void)
2788 * {
2789 * if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
2790 * {
2791 * g_print ("some stdout text: somagic17\n");
2792 * g_printerr ("some stderr text: semagic43\n");
2793 * exit (0); // successful test run
2794 * }
2795 * g_test_trap_assert_passed ();
2796 * g_test_trap_assert_stdout ("*somagic17*");
2797 * g_test_trap_assert_stderr ("*semagic43*");
2798 * }
2799 * ]|
2800 *
2801 * Returns: %TRUE for the forked child and %FALSE for the executing parent process.
2802 *
2803 * Since: 2.16
2804 *
2805 * Deprecated: This function is implemented only on Unix platforms,
2806 * and is not always reliable due to problems inherent in
2807 * fork-without-exec. Use g_test_trap_subprocess() instead.
2808 */
2809 gboolean
2810 g_test_trap_fork (guint64 usec_timeout,
2811 GTestTrapFlags test_trap_flags)
2812 {
2813 #ifdef G_OS_UNIX
2814 int stdout_pipe[2] = { -1, -1 };
2815 int stderr_pipe[2] = { -1, -1 };
2816  
2817 test_trap_clear();
2818 if (pipe (stdout_pipe) < 0 || pipe (stderr_pipe) < 0)
2819 g_error ("failed to create pipes to fork test program: %s", g_strerror (errno));
2820 test_trap_last_pid = fork ();
2821 if (test_trap_last_pid < 0)
2822 g_error ("failed to fork test program: %s", g_strerror (errno));
2823 if (test_trap_last_pid == 0) /* child */
2824 {
2825 int fd0 = -1;
2826 close (stdout_pipe[0]);
2827 close (stderr_pipe[0]);
2828 if (!(test_trap_flags & G_TEST_TRAP_INHERIT_STDIN))
2829 {
2830 fd0 = g_open ("/dev/null", O_RDONLY, 0);
2831 if (fd0 < 0)
2832 g_error ("failed to open /dev/null for stdin redirection");
2833 }
2834 if (sane_dup2 (stdout_pipe[1], 1) < 0 || sane_dup2 (stderr_pipe[1], 2) < 0 || (fd0 >= 0 && sane_dup2 (fd0, 0) < 0))
2835 g_error ("failed to dup2() in forked test program: %s", g_strerror (errno));
2836 if (fd0 >= 3)
2837 close (fd0);
2838 if (stdout_pipe[1] >= 3)
2839 close (stdout_pipe[1]);
2840 if (stderr_pipe[1] >= 3)
2841 close (stderr_pipe[1]);
2842 return TRUE;
2843 }
2844 else /* parent */
2845 {
2846 test_run_forks++;
2847 close (stdout_pipe[1]);
2848 close (stderr_pipe[1]);
2849  
2850 wait_for_child (test_trap_last_pid,
2851 stdout_pipe[0], !(test_trap_flags & G_TEST_TRAP_SILENCE_STDOUT),
2852 stderr_pipe[0], !(test_trap_flags & G_TEST_TRAP_SILENCE_STDERR),
2853 usec_timeout);
2854 return FALSE;
2855 }
2856 #else
2857 g_message ("Not implemented: g_test_trap_fork");
2858  
2859 return FALSE;
2860 #endif
2861 }
2862  
2863 /**
2864 * g_test_trap_subprocess:
2865 * @test_path: (allow-none): Test to run in a subprocess
2866 * @usec_timeout: Timeout for the subprocess test in micro seconds.
2867 * @test_flags: Flags to modify subprocess behaviour.
2868 *
2869 * Respawns the test program to run only @test_path in a subprocess.
2870 * This can be used for a test case that might not return, or that
2871 * might abort.
2872 *
2873 * If @test_path is %NULL then the same test is re-run in a subprocess.
2874 * You can use g_test_subprocess() to determine whether the test is in
2875 * a subprocess or not.
2876 *
2877 * @test_path can also be the name of the parent test, followed by
2878 * "`/subprocess/`" and then a name for the specific subtest (or just
2879 * ending with "`/subprocess`" if the test only has one child test);
2880 * tests with names of this form will automatically be skipped in the
2881 * parent process.
2882 *
2883 * If @usec_timeout is non-0, the test subprocess is aborted and
2884 * considered failing if its run time exceeds it.
2885 *
2886 * The subprocess behavior can be configured with the
2887 * #GTestSubprocessFlags flags.
2888 *
2889 * You can use methods such as g_test_trap_assert_passed(),
2890 * g_test_trap_assert_failed(), and g_test_trap_assert_stderr() to
2891 * check the results of the subprocess. (But note that
2892 * g_test_trap_assert_stdout() and g_test_trap_assert_stderr()
2893 * cannot be used if @test_flags specifies that the child should
2894 * inherit the parent stdout/stderr.)
2895 *
2896 * If your `main ()` needs to behave differently in
2897 * the subprocess, you can call g_test_subprocess() (after calling
2898 * g_test_init()) to see whether you are in a subprocess.
2899 *
2900 * The following example tests that calling
2901 * `my_object_new(1000000)` will abort with an error
2902 * message.
2903 *
2904 * |[<!-- language="C" -->
2905 * static void
2906 * test_create_large_object (void)
2907 * {
2908 * if (g_test_subprocess ())
2909 * {
2910 * my_object_new (1000000);
2911 * return;
2912 * }
2913 *
2914 * // Reruns this same test in a subprocess
2915 * g_test_trap_subprocess (NULL, 0, 0);
2916 * g_test_trap_assert_failed ();
2917 * g_test_trap_assert_stderr ("*ERROR*too large*");
2918 * }
2919 *
2920 * int
2921 * main (int argc, char **argv)
2922 * {
2923 * g_test_init (&argc, &argv, NULL);
2924 *
2925 * g_test_add_func ("/myobject/create_large_object",
2926 * test_create_large_object);
2927 * return g_test_run ();
2928 * }
2929 * ]|
2930 *
2931 * Since: 2.38
2932 */
2933 void
2934 g_test_trap_subprocess (const char *test_path,
2935 guint64 usec_timeout,
2936 GTestSubprocessFlags test_flags)
2937 {
2938 GError *error = NULL;
2939 GPtrArray *argv;
2940 GSpawnFlags flags;
2941 int stdout_fd, stderr_fd;
2942 GPid pid;
2943  
2944 /* Sanity check that they used GTestSubprocessFlags, not GTestTrapFlags */
2945 g_assert ((test_flags & (G_TEST_TRAP_INHERIT_STDIN | G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR)) == 0);
2946  
2947 if (test_path)
2948 {
2949 if (!g_test_suite_case_exists (g_test_get_root (), test_path))
2950 g_error ("g_test_trap_subprocess: test does not exist: %s", test_path);
2951 }
2952 else
2953 {
2954 test_path = test_run_name;
2955 }
2956  
2957 if (g_test_verbose ())
2958 g_print ("GTest: subprocess: %s\n", test_path);
2959  
2960 test_trap_clear ();
2961 test_trap_last_subprocess = g_strdup (test_path);
2962  
2963 argv = g_ptr_array_new ();
2964 g_ptr_array_add (argv, test_argv0);
2965 g_ptr_array_add (argv, "-q");
2966 g_ptr_array_add (argv, "-p");
2967 g_ptr_array_add (argv, (char *)test_path);
2968 g_ptr_array_add (argv, "--GTestSubprocess");
2969 if (test_log_fd != -1)
2970 {
2971 char log_fd_buf[128];
2972  
2973 g_ptr_array_add (argv, "--GTestLogFD");
2974 g_snprintf (log_fd_buf, sizeof (log_fd_buf), "%d", test_log_fd);
2975 g_ptr_array_add (argv, log_fd_buf);
2976 }
2977 g_ptr_array_add (argv, NULL);
2978  
2979 flags = G_SPAWN_DO_NOT_REAP_CHILD;
2980 if (test_flags & G_TEST_TRAP_INHERIT_STDIN)
2981 flags |= G_SPAWN_CHILD_INHERITS_STDIN;
2982  
2983 if (!g_spawn_async_with_pipes (test_initial_cwd,
2984 (char **)argv->pdata,
2985 NULL, flags,
2986 NULL, NULL,
2987 &pid, NULL, &stdout_fd, &stderr_fd,
2988 &error))
2989 {
2990 g_error ("g_test_trap_subprocess() failed: %s\n",
2991 error->message);
2992 }
2993 g_ptr_array_free (argv, TRUE);
2994  
2995 wait_for_child (pid,
2996 stdout_fd, !!(test_flags & G_TEST_SUBPROCESS_INHERIT_STDOUT),
2997 stderr_fd, !!(test_flags & G_TEST_SUBPROCESS_INHERIT_STDERR),
2998 usec_timeout);
2999 }
3000  
3001 /**
3002 * g_test_subprocess:
3003 *
3004 * Returns %TRUE (after g_test_init() has been called) if the test
3005 * program is running under g_test_trap_subprocess().
3006 *
3007 * Returns: %TRUE if the test program is running under
3008 * g_test_trap_subprocess().
3009 *
3010 * Since: 2.38
3011 */
3012 gboolean
3013 g_test_subprocess (void)
3014 {
3015 return test_in_subprocess;
3016 }
3017  
3018 /**
3019 * g_test_trap_has_passed:
3020 *
3021 * Check the result of the last g_test_trap_subprocess() call.
3022 *
3023 * Returns: %TRUE if the last test subprocess terminated successfully.
3024 *
3025 * Since: 2.16
3026 */
3027 gboolean
3028 g_test_trap_has_passed (void)
3029 {
3030 return test_trap_last_status == 0; /* exit_status == 0 && !signal && !coredump */
3031 }
3032  
3033 /**
3034 * g_test_trap_reached_timeout:
3035 *
3036 * Check the result of the last g_test_trap_subprocess() call.
3037 *
3038 * Returns: %TRUE if the last test subprocess got killed due to a timeout.
3039 *
3040 * Since: 2.16
3041 */
3042 gboolean
3043 g_test_trap_reached_timeout (void)
3044 {
3045 return test_trap_last_status == G_TEST_STATUS_TIMED_OUT;
3046 }
3047  
3048 static gboolean
3049 log_child_output (const gchar *process_id)
3050 {
3051 gchar *escaped;
3052  
3053 escaped = g_strescape (test_trap_last_stdout, NULL);
3054 g_test_message ("child process (%s) stdout: \"%s\"", process_id, escaped);
3055 g_free (escaped);
3056  
3057 escaped = g_strescape (test_trap_last_stderr, NULL);
3058 g_test_message ("child process (%s) stderr: \"%s\"", process_id, escaped);
3059 g_free (escaped);
3060  
3061 /* so we can use short-circuiting:
3062 * logged_child_output = logged_child_output || log_child_output (...) */
3063 return TRUE;
3064 }
3065  
3066 void
3067 g_test_trap_assertions (const char *domain,
3068 const char *file,
3069 int line,
3070 const char *func,
3071 guint64 assertion_flags, /* 0-pass, 1-fail, 2-outpattern, 4-errpattern */
3072 const char *pattern)
3073 {
3074 gboolean must_pass = assertion_flags == 0;
3075 gboolean must_fail = assertion_flags == 1;
3076 gboolean match_result = 0 == (assertion_flags & 1);
3077 gboolean logged_child_output = FALSE;
3078 const char *stdout_pattern = (assertion_flags & 2) ? pattern : NULL;
3079 const char *stderr_pattern = (assertion_flags & 4) ? pattern : NULL;
3080 const char *match_error = match_result ? "failed to match" : "contains invalid match";
3081 char *process_id;
3082  
3083 #ifdef G_OS_UNIX
3084 if (test_trap_last_subprocess != NULL)
3085 {
3086 process_id = g_strdup_printf ("%s [%d]", test_trap_last_subprocess,
3087 test_trap_last_pid);
3088 }
3089 else if (test_trap_last_pid != 0)
3090 process_id = g_strdup_printf ("%d", test_trap_last_pid);
3091 #else
3092 if (test_trap_last_subprocess != NULL)
3093 process_id = g_strdup (test_trap_last_subprocess);
3094 #endif
3095 else
3096 g_error ("g_test_trap_ assertion with no trapped test");
3097  
3098 if (must_pass && !g_test_trap_has_passed())
3099 {
3100 char *msg;
3101  
3102 logged_child_output = logged_child_output || log_child_output (process_id);
3103  
3104 msg = g_strdup_printf ("child process (%s) failed unexpectedly", process_id);
3105 g_assertion_message (domain, file, line, func, msg);
3106 g_free (msg);
3107 }
3108 if (must_fail && g_test_trap_has_passed())
3109 {
3110 char *msg;
3111  
3112 logged_child_output = logged_child_output || log_child_output (process_id);
3113  
3114 msg = g_strdup_printf ("child process (%s) did not fail as expected", process_id);
3115 g_assertion_message (domain, file, line, func, msg);
3116 g_free (msg);
3117 }
3118 if (stdout_pattern && match_result == !g_pattern_match_simple (stdout_pattern, test_trap_last_stdout))
3119 {
3120 char *msg;
3121  
3122 logged_child_output = logged_child_output || log_child_output (process_id);
3123  
3124 msg = g_strdup_printf ("stdout of child process (%s) %s: %s", process_id, match_error, stdout_pattern);
3125 g_assertion_message (domain, file, line, func, msg);
3126 g_free (msg);
3127 }
3128 if (stderr_pattern && match_result == !g_pattern_match_simple (stderr_pattern, test_trap_last_stderr))
3129 {
3130 char *msg;
3131  
3132 logged_child_output = logged_child_output || log_child_output (process_id);
3133  
3134 msg = g_strdup_printf ("stderr of child process (%s) %s: %s", process_id, match_error, stderr_pattern);
3135 g_assertion_message (domain, file, line, func, msg);
3136 g_free (msg);
3137 }
3138 g_free (process_id);
3139 }
3140  
3141 static void
3142 gstring_overwrite_int (GString *gstring,
3143 guint pos,
3144 guint32 vuint)
3145 {
3146 vuint = g_htonl (vuint);
3147 g_string_overwrite_len (gstring, pos, (const gchar*) &vuint, 4);
3148 }
3149  
3150 static void
3151 gstring_append_int (GString *gstring,
3152 guint32 vuint)
3153 {
3154 vuint = g_htonl (vuint);
3155 g_string_append_len (gstring, (const gchar*) &vuint, 4);
3156 }
3157  
3158 static void
3159 gstring_append_double (GString *gstring,
3160 double vdouble)
3161 {
3162 union { double vdouble; guint64 vuint64; } u;
3163 u.vdouble = vdouble;
3164 u.vuint64 = GUINT64_TO_BE (u.vuint64);
3165 g_string_append_len (gstring, (const gchar*) &u.vuint64, 8);
3166 }
3167  
3168 static guint8*
3169 g_test_log_dump (GTestLogMsg *msg,
3170 guint *len)
3171 {
3172 GString *gstring = g_string_sized_new (1024);
3173 guint ui;
3174 gstring_append_int (gstring, 0); /* message length */
3175 gstring_append_int (gstring, msg->log_type);
3176 gstring_append_int (gstring, msg->n_strings);
3177 gstring_append_int (gstring, msg->n_nums);
3178 gstring_append_int (gstring, 0); /* reserved */
3179 for (ui = 0; ui < msg->n_strings; ui++)
3180 {
3181 guint l = strlen (msg->strings[ui]);
3182 gstring_append_int (gstring, l);
3183 g_string_append_len (gstring, msg->strings[ui], l);
3184 }
3185 for (ui = 0; ui < msg->n_nums; ui++)
3186 gstring_append_double (gstring, msg->nums[ui]);
3187 *len = gstring->len;
3188 gstring_overwrite_int (gstring, 0, *len); /* message length */
3189 return (guint8*) g_string_free (gstring, FALSE);
3190 }
3191  
3192 static inline long double
3193 net_double (const gchar **ipointer)
3194 {
3195 union { guint64 vuint64; double vdouble; } u;
3196 guint64 aligned_int64;
3197 memcpy (&aligned_int64, *ipointer, 8);
3198 *ipointer += 8;
3199 u.vuint64 = GUINT64_FROM_BE (aligned_int64);
3200 return u.vdouble;
3201 }
3202  
3203 static inline guint32
3204 net_int (const gchar **ipointer)
3205 {
3206 guint32 aligned_int;
3207 memcpy (&aligned_int, *ipointer, 4);
3208 *ipointer += 4;
3209 return g_ntohl (aligned_int);
3210 }
3211  
3212 static gboolean
3213 g_test_log_extract (GTestLogBuffer *tbuffer)
3214 {
3215 const gchar *p = tbuffer->data->str;
3216 GTestLogMsg msg;
3217 guint mlength;
3218 if (tbuffer->data->len < 4 * 5)
3219 return FALSE;
3220 mlength = net_int (&p);
3221 if (tbuffer->data->len < mlength)
3222 return FALSE;
3223 msg.log_type = net_int (&p);
3224 msg.n_strings = net_int (&p);
3225 msg.n_nums = net_int (&p);
3226 if (net_int (&p) == 0)
3227 {
3228 guint ui;
3229 msg.strings = g_new0 (gchar*, msg.n_strings + 1);
3230 msg.nums = g_new0 (long double, msg.n_nums);
3231 for (ui = 0; ui < msg.n_strings; ui++)
3232 {
3233 guint sl = net_int (&p);
3234 msg.strings[ui] = g_strndup (p, sl);
3235 p += sl;
3236 }
3237 for (ui = 0; ui < msg.n_nums; ui++)
3238 msg.nums[ui] = net_double (&p);
3239 if (p <= tbuffer->data->str + mlength)
3240 {
3241 g_string_erase (tbuffer->data, 0, mlength);
3242 tbuffer->msgs = g_slist_prepend (tbuffer->msgs, g_memdup (&msg, sizeof (msg)));
3243 return TRUE;
3244 }
3245  
3246 g_free (msg.nums);
3247 g_strfreev (msg.strings);
3248 }
3249  
3250 g_error ("corrupt log stream from test program");
3251 return FALSE;
3252 }
3253  
3254 /**
3255 * g_test_log_buffer_new:
3256 *
3257 * Internal function for gtester to decode test log messages, no ABI guarantees provided.
3258 */
3259 GTestLogBuffer*
3260 g_test_log_buffer_new (void)
3261 {
3262 GTestLogBuffer *tb = g_new0 (GTestLogBuffer, 1);
3263 tb->data = g_string_sized_new (1024);
3264 return tb;
3265 }
3266  
3267 /**
3268 * g_test_log_buffer_free:
3269 *
3270 * Internal function for gtester to free test log messages, no ABI guarantees provided.
3271 */
3272 void
3273 g_test_log_buffer_free (GTestLogBuffer *tbuffer)
3274 {
3275 g_return_if_fail (tbuffer != NULL);
3276 while (tbuffer->msgs)
3277 g_test_log_msg_free (g_test_log_buffer_pop (tbuffer));
3278 g_string_free (tbuffer->data, TRUE);
3279 g_free (tbuffer);
3280 }
3281  
3282 /**
3283 * g_test_log_buffer_push:
3284 *
3285 * Internal function for gtester to decode test log messages, no ABI guarantees provided.
3286 */
3287 void
3288 g_test_log_buffer_push (GTestLogBuffer *tbuffer,
3289 guint n_bytes,
3290 const guint8 *bytes)
3291 {
3292 g_return_if_fail (tbuffer != NULL);
3293 if (n_bytes)
3294 {
3295 gboolean more_messages;
3296 g_return_if_fail (bytes != NULL);
3297 g_string_append_len (tbuffer->data, (const gchar*) bytes, n_bytes);
3298 do
3299 more_messages = g_test_log_extract (tbuffer);
3300 while (more_messages);
3301 }
3302 }
3303  
3304 /**
3305 * g_test_log_buffer_pop:
3306 *
3307 * Internal function for gtester to retrieve test log messages, no ABI guarantees provided.
3308 */
3309 GTestLogMsg*
3310 g_test_log_buffer_pop (GTestLogBuffer *tbuffer)
3311 {
3312 GTestLogMsg *msg = NULL;
3313 g_return_val_if_fail (tbuffer != NULL, NULL);
3314 if (tbuffer->msgs)
3315 {
3316 GSList *slist = g_slist_last (tbuffer->msgs);
3317 msg = slist->data;
3318 tbuffer->msgs = g_slist_delete_link (tbuffer->msgs, slist);
3319 }
3320 return msg;
3321 }
3322  
3323 /**
3324 * g_test_log_msg_free:
3325 *
3326 * Internal function for gtester to free test log messages, no ABI guarantees provided.
3327 */
3328 void
3329 g_test_log_msg_free (GTestLogMsg *tmsg)
3330 {
3331 g_return_if_fail (tmsg != NULL);
3332 g_strfreev (tmsg->strings);
3333 g_free (tmsg->nums);
3334 g_free (tmsg);
3335 }
3336  
3337 static gchar *
3338 g_test_build_filename_va (GTestFileType file_type,
3339 const gchar *first_path,
3340 va_list ap)
3341 {
3342 const gchar *pathv[16];
3343 gint num_path_segments;
3344  
3345 if (file_type == G_TEST_DIST)
3346 pathv[0] = test_disted_files_dir;
3347 else if (file_type == G_TEST_BUILT)
3348 pathv[0] = test_built_files_dir;
3349 else
3350 g_assert_not_reached ();
3351  
3352 pathv[1] = first_path;
3353  
3354 for (num_path_segments = 2; num_path_segments < G_N_ELEMENTS (pathv); num_path_segments++)
3355 {
3356 pathv[num_path_segments] = va_arg (ap, const char *);
3357 if (pathv[num_path_segments] == NULL)
3358 break;
3359 }
3360  
3361 g_assert_cmpint (num_path_segments, <, G_N_ELEMENTS (pathv));
3362  
3363 return g_build_filenamev ((gchar **) pathv);
3364 }
3365  
3366 /**
3367 * g_test_build_filename:
3368 * @file_type: the type of file (built vs. distributed)
3369 * @first_path: the first segment of the pathname
3370 * @...: %NULL-terminated additional path segments
3371 *
3372 * Creates the pathname to a data file that is required for a test.
3373 *
3374 * This function is conceptually similar to g_build_filename() except
3375 * that the first argument has been replaced with a #GTestFileType
3376 * argument.
3377 *
3378 * The data file should either have been distributed with the module
3379 * containing the test (%G_TEST_DIST) or built as part of the build
3380 * system of that module (%G_TEST_BUILT).
3381 *
3382 * In order for this function to work in srcdir != builddir situations,
3383 * the G_TEST_SRCDIR and G_TEST_BUILDDIR environment variables need to
3384 * have been defined. As of 2.38, this is done by the glib.mk
3385 * included in GLib. Please ensure that your copy is up to date before
3386 * using this function.
3387 *
3388 * In case neither variable is set, this function will fall back to
3389 * using the dirname portion of argv[0], possibly removing ".libs".
3390 * This allows for casual running of tests directly from the commandline
3391 * in the srcdir == builddir case and should also support running of
3392 * installed tests, assuming the data files have been installed in the
3393 * same relative path as the test binary.
3394 *
3395 * Returns: the path of the file, to be freed using g_free()
3396 *
3397 * Since: 2.38
3398 **/
3399 /**
3400 * GTestFileType:
3401 * @G_TEST_DIST: a file that was included in the distribution tarball
3402 * @G_TEST_BUILT: a file that was built on the compiling machine
3403 *
3404 * The type of file to return the filename for, when used with
3405 * g_test_build_filename().
3406 *
3407 * These two options correspond rather directly to the 'dist' and
3408 * 'built' terminology that automake uses and are explicitly used to
3409 * distinguish between the 'srcdir' and 'builddir' being separate. All
3410 * files in your project should either be dist (in the
3411 * `DIST_EXTRA` or `dist_schema_DATA`
3412 * sense, in which case they will always be in the srcdir) or built (in
3413 * the `BUILT_SOURCES` sense, in which case they will
3414 * always be in the builddir).
3415 *
3416 * Note: as a general rule of automake, files that are generated only as
3417 * part of the build-from-git process (but then are distributed with the
3418 * tarball) always go in srcdir (even if doing a srcdir != builddir
3419 * build from git) and are considered as distributed files.
3420 *
3421 * Since: 2.38
3422 **/
3423 gchar *
3424 g_test_build_filename (GTestFileType file_type,
3425 const gchar *first_path,
3426 ...)
3427 {
3428 gchar *result;
3429 va_list ap;
3430  
3431 g_assert (g_test_initialized ());
3432  
3433 va_start (ap, first_path);
3434 result = g_test_build_filename_va (file_type, first_path, ap);
3435 va_end (ap);
3436  
3437 return result;
3438 }
3439  
3440 /**
3441 * g_test_get_dir:
3442 * @file_type: the type of file (built vs. distributed)
3443 *
3444 * Gets the pathname of the directory containing test files of the type
3445 * specified by @file_type.
3446 *
3447 * This is approximately the same as calling g_test_build_filename("."),
3448 * but you don't need to free the return value.
3449 *
3450 * Returns: the path of the directory, owned by GLib
3451 *
3452 * Since: 2.38
3453 **/
3454 const gchar *
3455 g_test_get_dir (GTestFileType file_type)
3456 {
3457 g_assert (g_test_initialized ());
3458  
3459 if (file_type == G_TEST_DIST)
3460 return test_disted_files_dir;
3461 else if (file_type == G_TEST_BUILT)
3462 return test_built_files_dir;
3463  
3464 g_assert_not_reached ();
3465 }
3466  
3467 /**
3468 * g_test_get_filename:
3469 * @file_type: the type of file (built vs. distributed)
3470 * @first_path: the first segment of the pathname
3471 * @...: %NULL-terminated additional path segments
3472 *
3473 * Gets the pathname to a data file that is required for a test.
3474 *
3475 * This is the same as g_test_build_filename() with two differences.
3476 * The first difference is that must only use this function from within
3477 * a testcase function. The second difference is that you need not free
3478 * the return value -- it will be automatically freed when the testcase
3479 * finishes running.
3480 *
3481 * It is safe to use this function from a thread inside of a testcase
3482 * but you must ensure that all such uses occur before the main testcase
3483 * function returns (ie: it is best to ensure that all threads have been
3484 * joined).
3485 *
3486 * Returns: the path, automatically freed at the end of the testcase
3487 *
3488 * Since: 2.38
3489 **/
3490 const gchar *
3491 g_test_get_filename (GTestFileType file_type,
3492 const gchar *first_path,
3493 ...)
3494 {
3495 gchar *result;
3496 GSList *node;
3497 va_list ap;
3498  
3499 g_assert (g_test_initialized ());
3500 if (test_filename_free_list == NULL)
3501 g_error ("g_test_get_filename() can only be used within testcase functions");
3502  
3503 va_start (ap, first_path);
3504 result = g_test_build_filename_va (file_type, first_path, ap);
3505 va_end (ap);
3506  
3507 node = g_slist_prepend (NULL, result);
3508 do
3509 node->next = *test_filename_free_list;
3510 while (!g_atomic_pointer_compare_and_exchange (test_filename_free_list, node->next, node));
3511  
3512 return result;
3513 }
3514  
3515 /* --- macros docs START --- */
3516 /**
3517 * g_test_add:
3518 * @testpath: The test path for a new test case.
3519 * @Fixture: The type of a fixture data structure.
3520 * @tdata: Data argument for the test functions.
3521 * @fsetup: The function to set up the fixture data.
3522 * @ftest: The actual test function.
3523 * @fteardown: The function to tear down the fixture data.
3524 *
3525 * Hook up a new test case at @testpath, similar to g_test_add_func().
3526 * A fixture data structure with setup and teardown functions may be provided,
3527 * similar to g_test_create_case().
3528 *
3529 * g_test_add() is implemented as a macro, so that the fsetup(), ftest() and
3530 * fteardown() callbacks can expect a @Fixture pointer as their first argument
3531 * in a type safe manner. They otherwise have type #GTestFixtureFunc.
3532 *
3533 * Since: 2.16
3534 **/
3535 /* --- macros docs END --- */