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/* vi: set sw=4 ts=4: */
/*
* bbunit: Simple unit-testing framework for Busybox.
*
* Copyright (C) 2014 by Bartosz Golaszewski <bartekgola@gmail.com>
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*/
//kbuild:lib-$(CONFIG_UNIT_TEST) += bbunit.o
//applet:IF_UNIT_TEST(APPLET(unit, BB_DIR_USR_BIN, BB_SUID_DROP))
//usage:#define unit_trivial_usage
//usage: ""
//usage:#define unit_full_usage "\n\n"
//usage: "Run the unit-test suite"
#include "libbb.h"
#define WANT_TIMING 0
static llist_t *tests = NULL;
static unsigned tests_registered = 0;
static int test_retval;
void bbunit_registertest(struct bbunit_listelem *test)
{
llist_add_to_end(&tests, test);
tests_registered++;
}
void bbunit_settestfailed(void)
{
test_retval = -1;
}
#if WANT_TIMING
static void timeval_diff(struct timeval* res,
const struct timeval* x,
const struct timeval* y)
{
long udiff = x->tv_usec - y->tv_usec;
res->tv_sec = x->tv_sec - y->tv_sec - (udiff < 0);
res->tv_usec = (udiff >= 0 ? udiff : udiff + 1000000);
}
#endif
int unit_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) MAIN_EXTERNALLY_VISIBLE;
int unit_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
{
unsigned tests_run = 0;
unsigned tests_failed = 0;
#if WANT_TIMING
struct timeval begin;
struct timeval end;
struct timeval time_spent;
gettimeofday(&begin, NULL);
#endif
bb_error_msg("Running %d test(s)...", tests_registered);
for (;;) {
struct bbunit_listelem* el = llist_pop(&tests);
if (!el)
break;
bb_error_msg("Case: [%s]", el->name);
test_retval = 0;
el->testfunc();
if (test_retval < 0) {
bb_error_msg("[ERROR] [%s]: TEST FAILED", el->name);
tests_failed++;
}
tests_run++;
el = el->next;
}
#if WANT_TIMING
gettimeofday(&end, NULL);
timeval_diff(&time_spent, &end, &begin);
bb_error_msg("Elapsed time %u.%06u seconds",
(int)time_spent.tv_sec,
(int)time_spent.tv_usec);
#endif
if (tests_failed > 0) {
bb_error_msg("[ERROR] %u test(s) FAILED", tests_failed);
return EXIT_FAILURE;
}
bb_error_msg("All tests passed");
return EXIT_SUCCESS;
}
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