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1/*
2 * Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by the GPLv2 license.
4 *
5 * kselftest_harness.h: simple C unit test helper.
6 *
7 * See documentation in Documentation/dev-tools/kselftest.rst
8 *
9 * API inspired by code.google.com/p/googletest
10 */
11
12/**
13 * DOC: example
14 *
15 * .. code-block:: c
16 *
17 * #include "../kselftest_harness.h"
18 *
19 * TEST(standalone_test) {
20 * do_some_stuff;
21 * EXPECT_GT(10, stuff) {
22 * stuff_state_t state;
23 * enumerate_stuff_state(&state);
24 * TH_LOG("expectation failed with state: %s", state.msg);
25 * }
26 * more_stuff;
27 * ASSERT_NE(some_stuff, NULL) TH_LOG("how did it happen?!");
28 * last_stuff;
29 * EXPECT_EQ(0, last_stuff);
30 * }
31 *
32 * FIXTURE(my_fixture) {
33 * mytype_t *data;
34 * int awesomeness_level;
35 * };
36 * FIXTURE_SETUP(my_fixture) {
37 * self->data = mytype_new();
38 * ASSERT_NE(NULL, self->data);
39 * }
40 * FIXTURE_TEARDOWN(my_fixture) {
41 * mytype_free(self->data);
42 * }
43 * TEST_F(my_fixture, data_is_good) {
44 * EXPECT_EQ(1, is_my_data_good(self->data));
45 * }
46 *
47 * TEST_HARNESS_MAIN
48 */
49
50#ifndef __KSELFTEST_HARNESS_H
51#define __KSELFTEST_HARNESS_H
52
53#define _GNU_SOURCE
54#include <asm/types.h>
55#include <errno.h>
56#include <stdbool.h>
57#include <stdint.h>
58#include <stdio.h>
59#include <stdlib.h>
60#include <string.h>
61#include <sys/types.h>
62#include <sys/wait.h>
63#include <unistd.h>
64
65
66/* Utilities exposed to the test definitions */
67#ifndef TH_LOG_STREAM
68# define TH_LOG_STREAM stderr
69#endif
70
71#ifndef TH_LOG_ENABLED
72# define TH_LOG_ENABLED 1
73#endif
74
75/**
76 * TH_LOG(fmt, ...)
77 *
78 * @fmt: format string
79 * @...: optional arguments
80 *
81 * .. code-block:: c
82 *
83 * TH_LOG(format, ...)
84 *
85 * Optional debug logging function available for use in tests.
86 * Logging may be enabled or disabled by defining TH_LOG_ENABLED.
87 * E.g., #define TH_LOG_ENABLED 1
88 *
89 * If no definition is provided, logging is enabled by default.
90 *
91 * If there is no way to print an error message for the process running the
92 * test (e.g. not allowed to write to stderr), it is still possible to get the
93 * ASSERT_* number for which the test failed. This behavior can be enabled by
94 * writing `_metadata->no_print = true;` before the check sequence that is
95 * unable to print. When an error occur, instead of printing an error message
96 * and calling `abort(3)`, the test process call `_exit(2)` with the assert
97 * number as argument, which is then printed by the parent process.
98 */
99#define TH_LOG(fmt, ...) do { \
100 if (TH_LOG_ENABLED) \
101 __TH_LOG(fmt, ##__VA_ARGS__); \
102} while (0)
103
104/* Unconditional logger for internal use. */
105#define __TH_LOG(fmt, ...) \
106 fprintf(TH_LOG_STREAM, "%s:%d:%s:" fmt "\n", \
107 __FILE__, __LINE__, _metadata->name, ##__VA_ARGS__)
108
109/**
110 * XFAIL(statement, fmt, ...)
111 *
112 * @statement: statement to run after reporting XFAIL
113 * @fmt: format string
114 * @...: optional arguments
115 *
116 * This forces a "pass" after reporting a failure with an XFAIL prefix,
117 * and runs "statement", which is usually "return" or "goto skip".
118 */
119#define XFAIL(statement, fmt, ...) do { \
120 if (TH_LOG_ENABLED) { \
121 fprintf(TH_LOG_STREAM, "[ XFAIL! ] " fmt "\n", \
122 ##__VA_ARGS__); \
123 } \
124 /* TODO: find a way to pass xfail to test runner process. */ \
125 _metadata->passed = 1; \
126 _metadata->trigger = 0; \
127 statement; \
128} while (0)
129
130/**
131 * TEST(test_name) - Defines the test function and creates the registration
132 * stub
133 *
134 * @test_name: test name
135 *
136 * .. code-block:: c
137 *
138 * TEST(name) { implementation }
139 *
140 * Defines a test by name.
141 * Names must be unique and tests must not be run in parallel. The
142 * implementation containing block is a function and scoping should be treated
143 * as such. Returning early may be performed with a bare "return;" statement.
144 *
145 * EXPECT_* and ASSERT_* are valid in a TEST() { } context.
146 */
147#define TEST(test_name) __TEST_IMPL(test_name, -1)
148
149/**
150 * TEST_SIGNAL(test_name, signal)
151 *
152 * @test_name: test name
153 * @signal: signal number
154 *
155 * .. code-block:: c
156 *
157 * TEST_SIGNAL(name, signal) { implementation }
158 *
159 * Defines a test by name and the expected term signal.
160 * Names must be unique and tests must not be run in parallel. The
161 * implementation containing block is a function and scoping should be treated
162 * as such. Returning early may be performed with a bare "return;" statement.
163 *
164 * EXPECT_* and ASSERT_* are valid in a TEST() { } context.
165 */
166#define TEST_SIGNAL(test_name, signal) __TEST_IMPL(test_name, signal)
167
168#define __TEST_IMPL(test_name, _signal) \
169 static void test_name(struct __test_metadata *_metadata); \
170 static struct __test_metadata _##test_name##_object = \
171 { name: "global." #test_name, \
172 fn: &test_name, termsig: _signal }; \
173 static void __attribute__((constructor)) _register_##test_name(void) \
174 { \
175 __register_test(&_##test_name##_object); \
176 } \
177 static void test_name( \
178 struct __test_metadata __attribute__((unused)) *_metadata)
179
180/**
181 * FIXTURE_DATA(datatype_name) - Wraps the struct name so we have one less
182 * argument to pass around
183 *
184 * @datatype_name: datatype name
185 *
186 * .. code-block:: c
187 *
188 * FIXTURE_DATA(datatype name)
189 *
190 * This call may be used when the type of the fixture data
191 * is needed. In general, this should not be needed unless
192 * the *self* is being passed to a helper directly.
193 */
194#define FIXTURE_DATA(datatype_name) struct _test_data_##datatype_name
195
196/**
197 * FIXTURE(fixture_name) - Called once per fixture to setup the data and
198 * register
199 *
200 * @fixture_name: fixture name
201 *
202 * .. code-block:: c
203 *
204 * FIXTURE(datatype name) {
205 * type property1;
206 * ...
207 * };
208 *
209 * Defines the data provided to TEST_F()-defined tests as *self*. It should be
210 * populated and cleaned up using FIXTURE_SETUP() and FIXTURE_TEARDOWN().
211 */
212#define FIXTURE(fixture_name) \
213 static void __attribute__((constructor)) \
214 _register_##fixture_name##_data(void) \
215 { \
216 __fixture_count++; \
217 } \
218 FIXTURE_DATA(fixture_name)
219
220/**
221 * FIXTURE_SETUP(fixture_name) - Prepares the setup function for the fixture.
222 * *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
223 *
224 * @fixture_name: fixture name
225 *
226 * .. code-block:: c
227 *
228 * FIXTURE_SETUP(fixture name) { implementation }
229 *
230 * Populates the required "setup" function for a fixture. An instance of the
231 * datatype defined with FIXTURE_DATA() will be exposed as *self* for the
232 * implementation.
233 *
234 * ASSERT_* are valid for use in this context and will prempt the execution
235 * of any dependent fixture tests.
236 *
237 * A bare "return;" statement may be used to return early.
238 */
239#define FIXTURE_SETUP(fixture_name) \
240 void fixture_name##_setup( \
241 struct __test_metadata __attribute__((unused)) *_metadata, \
242 FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
243/**
244 * FIXTURE_TEARDOWN(fixture_name)
245 * *_metadata* is included so that EXPECT_* and ASSERT_* work correctly.
246 *
247 * @fixture_name: fixture name
248 *
249 * .. code-block:: c
250 *
251 * FIXTURE_TEARDOWN(fixture name) { implementation }
252 *
253 * Populates the required "teardown" function for a fixture. An instance of the
254 * datatype defined with FIXTURE_DATA() will be exposed as *self* for the
255 * implementation to clean up.
256 *
257 * A bare "return;" statement may be used to return early.
258 */
259#define FIXTURE_TEARDOWN(fixture_name) \
260 void fixture_name##_teardown( \
261 struct __test_metadata __attribute__((unused)) *_metadata, \
262 FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
263
264/**
265 * TEST_F(fixture_name, test_name) - Emits test registration and helpers for
266 * fixture-based test cases
267 *
268 * @fixture_name: fixture name
269 * @test_name: test name
270 *
271 * .. code-block:: c
272 *
273 * TEST_F(fixture, name) { implementation }
274 *
275 * Defines a test that depends on a fixture (e.g., is part of a test case).
276 * Very similar to TEST() except that *self* is the setup instance of fixture's
277 * datatype exposed for use by the implementation.
278 *
279 * Warning: use of ASSERT_* here will skip TEARDOWN.
280 */
281/* TODO(wad) register fixtures on dedicated test lists. */
282#define TEST_F(fixture_name, test_name) \
283 __TEST_F_IMPL(fixture_name, test_name, -1)
284
285#define TEST_F_SIGNAL(fixture_name, test_name, signal) \
286 __TEST_F_IMPL(fixture_name, test_name, signal)
287
288#define __TEST_F_IMPL(fixture_name, test_name, signal) \
289 static void fixture_name##_##test_name( \
290 struct __test_metadata *_metadata, \
291 FIXTURE_DATA(fixture_name) *self); \
292 static inline void wrapper_##fixture_name##_##test_name( \
293 struct __test_metadata *_metadata) \
294 { \
295 /* fixture data is alloced, setup, and torn down per call. */ \
296 FIXTURE_DATA(fixture_name) self; \
297 memset(&self, 0, sizeof(FIXTURE_DATA(fixture_name))); \
298 fixture_name##_setup(_metadata, &self); \
299 /* Let setup failure terminate early. */ \
300 if (!_metadata->passed) \
301 return; \
302 fixture_name##_##test_name(_metadata, &self); \
303 fixture_name##_teardown(_metadata, &self); \
304 } \
305 static struct __test_metadata \
306 _##fixture_name##_##test_name##_object = { \
307 name: #fixture_name "." #test_name, \
308 fn: &wrapper_##fixture_name##_##test_name, \
309 termsig: signal, \
310 }; \
311 static void __attribute__((constructor)) \
312 _register_##fixture_name##_##test_name(void) \
313 { \
314 __register_test(&_##fixture_name##_##test_name##_object); \
315 } \
316 static void fixture_name##_##test_name( \
317 struct __test_metadata __attribute__((unused)) *_metadata, \
318 FIXTURE_DATA(fixture_name) __attribute__((unused)) *self)
319
320/**
321 * TEST_HARNESS_MAIN - Simple wrapper to run the test harness
322 *
323 * .. code-block:: c
324 *
325 * TEST_HARNESS_MAIN
326 *
327 * Use once to append a main() to the test file.
328 */
329#define TEST_HARNESS_MAIN \
330 static void __attribute__((constructor)) \
331 __constructor_order_last(void) \
332 { \
333 if (!__constructor_order) \
334 __constructor_order = _CONSTRUCTOR_ORDER_BACKWARD; \
335 } \
336 int main(int argc, char **argv) { \
337 return test_harness_run(argc, argv); \
338 }
339
340/**
341 * DOC: operators
342 *
343 * Operators for use in TEST() and TEST_F().
344 * ASSERT_* calls will stop test execution immediately.
345 * EXPECT_* calls will emit a failure warning, note it, and continue.
346 */
347
348/**
349 * ASSERT_EQ(expected, seen)
350 *
351 * @expected: expected value
352 * @seen: measured value
353 *
354 * ASSERT_EQ(expected, measured): expected == measured
355 */
356#define ASSERT_EQ(expected, seen) \
357 __EXPECT(expected, seen, ==, 1)
358
359/**
360 * ASSERT_NE(expected, seen)
361 *
362 * @expected: expected value
363 * @seen: measured value
364 *
365 * ASSERT_NE(expected, measured): expected != measured
366 */
367#define ASSERT_NE(expected, seen) \
368 __EXPECT(expected, seen, !=, 1)
369
370/**
371 * ASSERT_LT(expected, seen)
372 *
373 * @expected: expected value
374 * @seen: measured value
375 *
376 * ASSERT_LT(expected, measured): expected < measured
377 */
378#define ASSERT_LT(expected, seen) \
379 __EXPECT(expected, seen, <, 1)
380
381/**
382 * ASSERT_LE(expected, seen)
383 *
384 * @expected: expected value
385 * @seen: measured value
386 *
387 * ASSERT_LE(expected, measured): expected <= measured
388 */
389#define ASSERT_LE(expected, seen) \
390 __EXPECT(expected, seen, <=, 1)
391
392/**
393 * ASSERT_GT(expected, seen)
394 *
395 * @expected: expected value
396 * @seen: measured value
397 *
398 * ASSERT_GT(expected, measured): expected > measured
399 */
400#define ASSERT_GT(expected, seen) \
401 __EXPECT(expected, seen, >, 1)
402
403/**
404 * ASSERT_GE(expected, seen)
405 *
406 * @expected: expected value
407 * @seen: measured value
408 *
409 * ASSERT_GE(expected, measured): expected >= measured
410 */
411#define ASSERT_GE(expected, seen) \
412 __EXPECT(expected, seen, >=, 1)
413
414/**
415 * ASSERT_NULL(seen)
416 *
417 * @seen: measured value
418 *
419 * ASSERT_NULL(measured): NULL == measured
420 */
421#define ASSERT_NULL(seen) \
422 __EXPECT(NULL, seen, ==, 1)
423
424/**
425 * ASSERT_TRUE(seen)
426 *
427 * @seen: measured value
428 *
429 * ASSERT_TRUE(measured): measured != 0
430 */
431#define ASSERT_TRUE(seen) \
432 ASSERT_NE(0, seen)
433
434/**
435 * ASSERT_FALSE(seen)
436 *
437 * @seen: measured value
438 *
439 * ASSERT_FALSE(measured): measured == 0
440 */
441#define ASSERT_FALSE(seen) \
442 ASSERT_EQ(0, seen)
443
444/**
445 * ASSERT_STREQ(expected, seen)
446 *
447 * @expected: expected value
448 * @seen: measured value
449 *
450 * ASSERT_STREQ(expected, measured): !strcmp(expected, measured)
451 */
452#define ASSERT_STREQ(expected, seen) \
453 __EXPECT_STR(expected, seen, ==, 1)
454
455/**
456 * ASSERT_STRNE(expected, seen)
457 *
458 * @expected: expected value
459 * @seen: measured value
460 *
461 * ASSERT_STRNE(expected, measured): strcmp(expected, measured)
462 */
463#define ASSERT_STRNE(expected, seen) \
464 __EXPECT_STR(expected, seen, !=, 1)
465
466/**
467 * EXPECT_EQ(expected, seen)
468 *
469 * @expected: expected value
470 * @seen: measured value
471 *
472 * EXPECT_EQ(expected, measured): expected == measured
473 */
474#define EXPECT_EQ(expected, seen) \
475 __EXPECT(expected, seen, ==, 0)
476
477/**
478 * EXPECT_NE(expected, seen)
479 *
480 * @expected: expected value
481 * @seen: measured value
482 *
483 * EXPECT_NE(expected, measured): expected != measured
484 */
485#define EXPECT_NE(expected, seen) \
486 __EXPECT(expected, seen, !=, 0)
487
488/**
489 * EXPECT_LT(expected, seen)
490 *
491 * @expected: expected value
492 * @seen: measured value
493 *
494 * EXPECT_LT(expected, measured): expected < measured
495 */
496#define EXPECT_LT(expected, seen) \
497 __EXPECT(expected, seen, <, 0)
498
499/**
500 * EXPECT_LE(expected, seen)
501 *
502 * @expected: expected value
503 * @seen: measured value
504 *
505 * EXPECT_LE(expected, measured): expected <= measured
506 */
507#define EXPECT_LE(expected, seen) \
508 __EXPECT(expected, seen, <=, 0)
509
510/**
511 * EXPECT_GT(expected, seen)
512 *
513 * @expected: expected value
514 * @seen: measured value
515 *
516 * EXPECT_GT(expected, measured): expected > measured
517 */
518#define EXPECT_GT(expected, seen) \
519 __EXPECT(expected, seen, >, 0)
520
521/**
522 * EXPECT_GE(expected, seen)
523 *
524 * @expected: expected value
525 * @seen: measured value
526 *
527 * EXPECT_GE(expected, measured): expected >= measured
528 */
529#define EXPECT_GE(expected, seen) \
530 __EXPECT(expected, seen, >=, 0)
531
532/**
533 * EXPECT_NULL(seen)
534 *
535 * @seen: measured value
536 *
537 * EXPECT_NULL(measured): NULL == measured
538 */
539#define EXPECT_NULL(seen) \
540 __EXPECT(NULL, seen, ==, 0)
541
542/**
543 * EXPECT_TRUE(seen)
544 *
545 * @seen: measured value
546 *
547 * EXPECT_TRUE(measured): 0 != measured
548 */
549#define EXPECT_TRUE(seen) \
550 EXPECT_NE(0, seen)
551
552/**
553 * EXPECT_FALSE(seen)
554 *
555 * @seen: measured value
556 *
557 * EXPECT_FALSE(measured): 0 == measured
558 */
559#define EXPECT_FALSE(seen) \
560 EXPECT_EQ(0, seen)
561
562/**
563 * EXPECT_STREQ(expected, seen)
564 *
565 * @expected: expected value
566 * @seen: measured value
567 *
568 * EXPECT_STREQ(expected, measured): !strcmp(expected, measured)
569 */
570#define EXPECT_STREQ(expected, seen) \
571 __EXPECT_STR(expected, seen, ==, 0)
572
573/**
574 * EXPECT_STRNE(expected, seen)
575 *
576 * @expected: expected value
577 * @seen: measured value
578 *
579 * EXPECT_STRNE(expected, measured): strcmp(expected, measured)
580 */
581#define EXPECT_STRNE(expected, seen) \
582 __EXPECT_STR(expected, seen, !=, 0)
583
584#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
585
586/* Support an optional handler after and ASSERT_* or EXPECT_*. The approach is
587 * not thread-safe, but it should be fine in most sane test scenarios.
588 *
589 * Using __bail(), which optionally abort()s, is the easiest way to early
590 * return while still providing an optional block to the API consumer.
591 */
592#define OPTIONAL_HANDLER(_assert) \
593 for (; _metadata->trigger; _metadata->trigger = \
594 __bail(_assert, _metadata->no_print, _metadata->step))
595
596#define __INC_STEP(_metadata) \
597 if (_metadata->passed && _metadata->step < 255) \
598 _metadata->step++;
599
600#define __EXPECT(_expected, _seen, _t, _assert) do { \
601 /* Avoid multiple evaluation of the cases */ \
602 __typeof__(_expected) __exp = (_expected); \
603 __typeof__(_seen) __seen = (_seen); \
604 if (_assert) __INC_STEP(_metadata); \
605 if (!(__exp _t __seen)) { \
606 unsigned long long __exp_print = (uintptr_t)__exp; \
607 unsigned long long __seen_print = (uintptr_t)__seen; \
608 __TH_LOG("Expected %s (%llu) %s %s (%llu)", \
609 #_expected, __exp_print, #_t, \
610 #_seen, __seen_print); \
611 _metadata->passed = 0; \
612 /* Ensure the optional handler is triggered */ \
613 _metadata->trigger = 1; \
614 } \
615} while (0); OPTIONAL_HANDLER(_assert)
616
617#define __EXPECT_STR(_expected, _seen, _t, _assert) do { \
618 const char *__exp = (_expected); \
619 const char *__seen = (_seen); \
620 if (_assert) __INC_STEP(_metadata); \
621 if (!(strcmp(__exp, __seen) _t 0)) { \
622 __TH_LOG("Expected '%s' %s '%s'.", __exp, #_t, __seen); \
623 _metadata->passed = 0; \
624 _metadata->trigger = 1; \
625 } \
626} while (0); OPTIONAL_HANDLER(_assert)
627
628/* Contains all the information for test execution and status checking. */
629struct __test_metadata {
630 const char *name;
631 void (*fn)(struct __test_metadata *);
632 int termsig;
633 int passed;
634 int trigger; /* extra handler after the evaluation */
635 __u8 step;
636 bool no_print; /* manual trigger when TH_LOG_STREAM is not available */
637 struct __test_metadata *prev, *next;
638};
639
640/* Storage for the (global) tests to be run. */
641static struct __test_metadata *__test_list;
642static unsigned int __test_count;
643static unsigned int __fixture_count;
644static int __constructor_order;
645
646#define _CONSTRUCTOR_ORDER_FORWARD 1
647#define _CONSTRUCTOR_ORDER_BACKWARD -1
648
649/*
650 * Since constructors are called in reverse order, reverse the test
651 * list so tests are run in source declaration order.
652 * https://gcc.gnu.org/onlinedocs/gccint/Initialization.html
653 * However, it seems not all toolchains do this correctly, so use
654 * __constructor_order to detect which direction is called first
655 * and adjust list building logic to get things running in the right
656 * direction.
657 */
658static inline void __register_test(struct __test_metadata *t)
659{
660 __test_count++;
661 /* Circular linked list where only prev is circular. */
662 if (__test_list == NULL) {
663 __test_list = t;
664 t->next = NULL;
665 t->prev = t;
666 return;
667 }
668 if (__constructor_order == _CONSTRUCTOR_ORDER_FORWARD) {
669 t->next = NULL;
670 t->prev = __test_list->prev;
671 t->prev->next = t;
672 __test_list->prev = t;
673 } else {
674 t->next = __test_list;
675 t->next->prev = t;
676 t->prev = t;
677 __test_list = t;
678 }
679}
680
681static inline int __bail(int for_realz, bool no_print, __u8 step)
682{
683 if (for_realz) {
684 if (no_print)
685 _exit(step);
686 abort();
687 }
688 return 0;
689}
690
691void __run_test(struct __test_metadata *t)
692{
693 pid_t child_pid;
694 int status;
695
696 t->passed = 1;
697 t->trigger = 0;
698 printf("[ RUN ] %s\n", t->name);
699 child_pid = fork();
700 if (child_pid < 0) {
701 printf("ERROR SPAWNING TEST CHILD\n");
702 t->passed = 0;
703 } else if (child_pid == 0) {
704 t->fn(t);
705 /* return the step that failed or 0 */
706 _exit(t->passed ? 0 : t->step);
707 } else {
708 /* TODO(wad) add timeout support. */
709 waitpid(child_pid, &status, 0);
710 if (WIFEXITED(status)) {
711 t->passed = t->termsig == -1 ? !WEXITSTATUS(status) : 0;
712 if (t->termsig != -1) {
713 fprintf(TH_LOG_STREAM,
714 "%s: Test exited normally "
715 "instead of by signal (code: %d)\n",
716 t->name,
717 WEXITSTATUS(status));
718 } else if (!t->passed) {
719 fprintf(TH_LOG_STREAM,
720 "%s: Test failed at step #%d\n",
721 t->name,
722 WEXITSTATUS(status));
723 }
724 } else if (WIFSIGNALED(status)) {
725 t->passed = 0;
726 if (WTERMSIG(status) == SIGABRT) {
727 fprintf(TH_LOG_STREAM,
728 "%s: Test terminated by assertion\n",
729 t->name);
730 } else if (WTERMSIG(status) == t->termsig) {
731 t->passed = 1;
732 } else {
733 fprintf(TH_LOG_STREAM,
734 "%s: Test terminated unexpectedly "
735 "by signal %d\n",
736 t->name,
737 WTERMSIG(status));
738 }
739 } else {
740 fprintf(TH_LOG_STREAM,
741 "%s: Test ended in some other way [%u]\n",
742 t->name,
743 status);
744 }
745 }
746 printf("[ %4s ] %s\n", (t->passed ? "OK" : "FAIL"), t->name);
747}
748
749static int test_harness_run(int __attribute__((unused)) argc,
750 char __attribute__((unused)) **argv)
751{
752 struct __test_metadata *t;
753 int ret = 0;
754 unsigned int count = 0;
755 unsigned int pass_count = 0;
756
757 /* TODO(wad) add optional arguments similar to gtest. */
758 printf("[==========] Running %u tests from %u test cases.\n",
759 __test_count, __fixture_count + 1);
760 for (t = __test_list; t; t = t->next) {
761 count++;
762 __run_test(t);
763 if (t->passed)
764 pass_count++;
765 else
766 ret = 1;
767 }
768 printf("[==========] %u / %u tests passed.\n", pass_count, count);
769 printf("[ %s ]\n", (ret ? "FAILED" : "PASSED"));
770 return ret;
771}
772
773static void __attribute__((constructor)) __constructor_order_first(void)
774{
775 if (!__constructor_order)
776 __constructor_order = _CONSTRUCTOR_ORDER_FORWARD;
777}
778
779#endif /* __KSELFTEST_HARNESS_H */