/*
 * Copyright (c) 2011 Red Hat, Inc.
 *
 * All rights reserved.
 *
 * Author: Angus Salkeld <asalkeld@redhat.com>
 *
 * This file is part of libqb.
 *
 * libqb is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * libqb is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with libqb.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "os_base.h"
#include <pthread.h>
#include <check.h>

#include <qb/qbdefs.h>
#include <qb/qbutil.h>
#include <qb/qblog.h>

extern size_t qb_vsprintf_serialize(char *serialize, const char *fmt, va_list ap);
extern size_t qb_vsnprintf_deserialize(char *string, size_t strlen, const char *buf);


static void
format_this(char *out, const char *fmt, ...)
{
	char buf[QB_LOG_MAX_LEN];
	va_list ap;

	va_start(ap, fmt);
	qb_vsprintf_serialize(buf, fmt, ap);
	qb_vsnprintf_deserialize(out, QB_LOG_MAX_LEN, buf);
	va_end(ap);
}


START_TEST(test_va_serialize)
{
	char buf[QB_LOG_MAX_LEN];
	format_this(buf, "one line");
	ck_assert_str_eq(buf, "one line");

	format_this(buf, "s1:%s, s2:%s", "Yes", "Never");
	ck_assert_str_eq(buf, "s1:Yes, s2:Never");

	format_this(buf, "s1:%s, s2:%s", "Yes", "Never");
	ck_assert_str_eq(buf, "s1:Yes, s2:Never");

	format_this(buf, "d1:%d, d2:%5i, d3:%04i", 23, 37, 84);
	ck_assert_str_eq(buf, "d1:23, d2:   37, d3:0084");

	format_this(buf, "f1:%.5f, f2:%.2f", 23.34109, 23.34109);
	ck_assert_str_eq(buf, "f1:23.34109, f2:23.34");

	format_this(buf, ":%s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, world!:");
	format_this(buf, ":%15s:", "Hello, world!");
	ck_assert_str_eq(buf, ":  Hello, world!:");
	format_this(buf, ":%.10s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, wor:");
	format_this(buf, ":%-10s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, world!:");
	format_this(buf, ":%-15s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, world!  :");
	format_this(buf, ":%.15s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, world!:");
	format_this(buf, ":%15.10s:", "Hello, world!");
	ck_assert_str_eq(buf, ":     Hello, wor:");
	format_this(buf, ":%-15.10s:", "Hello, world!");
	ck_assert_str_eq(buf, ":Hello, wor     :");

	format_this(buf, ":%*d:", 8, 96);
	ck_assert_str_eq(buf, ":      96:");
}
END_TEST

START_TEST(test_log_stupid_inputs)
{
	int32_t rc;

	/* shouldn't crash with out an init() */
	qb_log_fini();

	/* not init'ed */
	rc = qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD,
			       QB_LOG_FILTER_FILE, "bla", LOG_TRACE);
	ck_assert_int_eq(rc, -EINVAL);

	rc = qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_SIZE, 2000);
	ck_assert_int_eq(rc, -EINVAL);

	qb_log(LOG_INFO, "not init'd");

	qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
				    __LINE__, 0, "also not init'd");

	qb_log_init("test", LOG_USER, LOG_DEBUG);

	/* non-opened log file */
	rc = qb_log_filter_ctl(21, QB_LOG_FILTER_ADD,
			       QB_LOG_FILTER_FILE, "bla", LOG_TRACE);
	ck_assert_int_eq(rc, -EBADF);

	rc = qb_log_ctl(21, QB_LOG_CONF_PRIORITY_BUMP, -1);
	ck_assert_int_eq(rc, -EBADF);

	/* target < 0 or >= 32 */
	rc = qb_log_filter_ctl(41, QB_LOG_FILTER_ADD,
			       QB_LOG_FILTER_FILE, "bla", LOG_TRACE);
	ck_assert_int_eq(rc, -EBADF);

	rc = qb_log_ctl(-1, QB_LOG_CONF_PRIORITY_BUMP, -1);
	ck_assert_int_eq(rc, -EBADF);

	/* crap values to filter_ctl() */
	rc = qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD,
			       QB_LOG_FILTER_FILE, NULL, LOG_INFO);
	ck_assert_int_eq(rc, -EINVAL);
	rc = qb_log_filter_ctl(QB_LOG_SYSLOG, 56,
			       QB_LOG_FILTER_FILE, "boja", LOG_INFO);
	ck_assert_int_eq(rc, -EINVAL);

	/* crap values to ctl() */
	rc = qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_SIZE, -2000);
	ck_assert_int_eq(rc, -EINVAL);
	rc = qb_log_ctl(QB_LOG_BLACKBOX, 67, 2000);
	ck_assert_int_eq(rc, -EINVAL);
	rc = qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_SIZE, 2000);
	ck_assert_int_eq(rc, -ENOSYS);

}
END_TEST

static char test_buf[QB_LOG_MAX_LEN];
static uint8_t test_priority;
static int32_t num_msgs;

/*
 * to test that we get what we expect.
 */
static void
_test_logger(int32_t t,
	     struct qb_log_callsite *cs,
	     time_t timestamp, const char *msg)
{
	test_buf[0] = '\0';
	qb_log_target_format(t, cs, timestamp, msg, test_buf);
	test_priority = cs->priority;
	num_msgs++;
}

static void log_also(void)
{
	qb_log(LOG_INFO, "yes please");
}

static void log_and_this_too(void)
{
	qb_log(LOG_INFO, "this too please");
}

static void log_it_please(void)
{
	qb_enter();
	qb_log(LOG_TRACE, "A:%d B:%d C:%d", 1, 2, 3);
	qb_log(LOG_DEBUG, "A:%d B:%d C:%d", 1, 2, 3);
	errno = EEXIST;
	qb_perror(LOG_WARNING, "bogus error");
	errno = 0;
	qb_log(LOG_INFO, "A:%d B:%d C:%d", 1, 2, 3);
	qb_log(LOG_NOTICE, "A:%d B:%d C:%d", 1, 2, 3);
	qb_log(LOG_WARNING, "A:%d B:%d C:%d", 1, 2, 3);
	qb_log(LOG_ERR, "A:%d B:%d C:%d", 1, 2, 3);
	qb_leave();
}


static int32_t _cust_t = -1;
static void
m_filter(struct qb_log_callsite *cs)
{
	if ((cs->priority >= LOG_ALERT &&
	     cs->priority <= LOG_INFO) ||
	    cs->tags > 0) {
		qb_bit_set(cs->targets, _cust_t);
	} else {
		qb_bit_clear(cs->targets, _cust_t);
	}
}


START_TEST(test_log_filter_fn)
{
	int32_t rc;

	qb_log_init("test", LOG_USER, LOG_EMERG);
	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);

	_cust_t = qb_log_custom_open(_test_logger, NULL, NULL, NULL);
	_ck_assert_int(_cust_t, >, QB_LOG_BLACKBOX);
	rc = qb_log_ctl(_cust_t, QB_LOG_CONF_ENABLED, QB_TRUE);
	ck_assert_int_eq(rc, 0);

	/*
	 * test the custom filter function.
	 * make sure qb_log, and qb_log_from_external_source are filtered.
	 */
	qb_log_filter_fn_set(m_filter);
	num_msgs = 0;

	qb_log(LOG_NOTICE, "qb_log_filter_fn_set good");
	qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
				    __LINE__, 0, "qb_log_filter_fn_set good");
	qb_log(LOG_TRACE, "qb_log_filter_fn_set bad");
	qb_log_from_external_source(__func__, __FILE__, "%s", LOG_DEBUG,
				    __LINE__, 44, "qb_log_filter_fn_set woot");
	qb_log_from_external_source(__func__, __FILE__, "%s", LOG_DEBUG,
				    __LINE__, 0, "qb_log_filter_fn_set bad");

	ck_assert_int_eq(num_msgs, 3);
}
END_TEST

START_TEST(test_log_basic)
{
	int32_t t;
	int32_t rc;

	qb_log_init("test", LOG_USER, LOG_EMERG);
	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);

	t = qb_log_custom_open(_test_logger, NULL, NULL, NULL);
	rc = qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FORMAT, "Angus", LOG_WARNING);
	ck_assert_int_eq(rc, 0);
	qb_log_format_set(t, "%b");
	rc = qb_log_ctl(t, QB_LOG_CONF_ENABLED, QB_TRUE);
	ck_assert_int_eq(rc, 0);

	memset(test_buf, 0, sizeof(test_buf));
	test_priority = 0;
	num_msgs = 0;

	/*
	 * test filtering by format
	 */
	qb_log(LOG_INFO, "Hello Angus, how are you?");
	qb_log(LOG_WARNING, "Hello Steven, how are you?");
	qb_log(LOG_ERR, "Hello Andrew, how are you?");
	qb_log(LOG_ERR, "Hello Angus, how are you?");
	qb_log(LOG_EMERG, "Hello Anna, how are you?");
	ck_assert_int_eq(test_priority, LOG_ERR);
	ck_assert_int_eq(num_msgs, 1);
	ck_assert_str_eq(test_buf, "Hello Angus, how are you?");

	/*
	 * test filtering by function
	 */
	qb_log_filter_ctl(t, QB_LOG_FILTER_CLEAR_ALL,
			  QB_LOG_FILTER_FILE, "*", LOG_TRACE);
	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FUNCTION, "log_it_please", LOG_WARNING);

	num_msgs = 0;
	qb_log(LOG_ERR, "try if you: log_it_please()");
	log_it_please();
	ck_assert_int_eq(num_msgs, 3);

	qb_log_filter_ctl(t, QB_LOG_FILTER_REMOVE,
			  QB_LOG_FILTER_FUNCTION, "log_it_please", LOG_WARNING);
	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FUNCTION, __func__, LOG_DEBUG);

	num_msgs = 0;
	log_it_please();
	ck_assert_int_eq(num_msgs, 0);
	qb_log(LOG_DEBUG, "try if you: log_it_please()");
	ck_assert_int_eq(num_msgs, 1);

	qb_log_filter_ctl(t, QB_LOG_FILTER_CLEAR_ALL,
			  QB_LOG_FILTER_FILE, "*", LOG_TRACE);
	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FUNCTION,
			  "log_also,log_and_this_too",
			  LOG_DEBUG);
	num_msgs = 0;
	log_also();
	log_and_this_too();
	ck_assert_int_eq(num_msgs, 2);

	qb_log_filter_ctl(t, QB_LOG_FILTER_CLEAR_ALL,
			  QB_LOG_FILTER_FILE, "*", LOG_TRACE);
	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, __FILE__, LOG_DEBUG);
	/*
	 * make sure we can pass in a null filename or function name.
	 */
	qb_log_from_external_source(__func__, NULL, "%s", LOG_INFO,
				    __LINE__, 0, "null filename");
	qb_log_from_external_source(NULL, __FILE__, "%s", LOG_INFO,
				    __LINE__, 0, "null function");

	/* check same file/lineno logs with different formats work
	 */
	num_msgs = 0;
	qb_log_from_external_source(__func__, __FILE__, "%s bla", LOG_INFO,
				    56, 0, "filename/lineno");
	ck_assert_int_eq(num_msgs, 1);
	ck_assert_str_eq(test_buf, "filename/lineno bla");

	num_msgs = 0;
	qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
				    56, 0, "same filename/lineno");
	ck_assert_int_eq(num_msgs, 1);
	ck_assert_str_eq(test_buf, "same filename/lineno");

	/* check filtering works on same file/lineno but different
	 * log level.
	 */
	qb_log_filter_ctl(t, QB_LOG_FILTER_CLEAR_ALL,
			  QB_LOG_FILTER_FILE, "*", LOG_TRACE);
	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, __FILE__, LOG_INFO);

	num_msgs = 0;
	qb_log_from_external_source(__func__, __FILE__,
				    "same filename/lineno, this level %d",
				    LOG_INFO, 56, 0, LOG_INFO);
	ck_assert_int_eq(num_msgs, 1);
	ck_assert_str_eq(test_buf, "same filename/lineno, this level 6");

	num_msgs = 0;
	qb_log_from_external_source(__func__, __FILE__,
				    "same filename/lineno, this level %d",
				    LOG_DEBUG, 56, 0, LOG_DEBUG);
	ck_assert_int_eq(num_msgs, 0);
}
END_TEST

static const char *_test_tags_stringify(uint32_t tags)
{
	if (tags == 1) {
		return "ONE";
	} else if (tags == 8) {
		return "ATE";
	} else {
		return "ANY";
	}
}

START_TEST(test_log_format)
{
	int32_t t;
	char cmp_str[256];
	char host_str[256];

	qb_log_init("test", LOG_USER, LOG_DEBUG);
	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);

	t = qb_log_custom_open(_test_logger, NULL, NULL, NULL);
	qb_log_ctl(t, QB_LOG_CONF_ENABLED, QB_TRUE);

	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, "*", LOG_DEBUG);
	qb_log_format_set(t, "%p %f %b");

	qb_log(LOG_DEBUG, "Angus");
	ck_assert_str_eq(test_buf, "debug check_log.c Angus");
	qb_log(LOG_INFO, "Angus");
	ck_assert_str_eq(test_buf, "info check_log.c Angus");
	qb_log(LOG_NOTICE, "Angus");
	ck_assert_str_eq(test_buf, "notice check_log.c Angus");
	qb_log(LOG_WARNING, "Angus");
	ck_assert_str_eq(test_buf, "warning check_log.c Angus");
	qb_log(LOG_ERR, "Angus");
	ck_assert_str_eq(test_buf, "error check_log.c Angus");
	qb_log(LOG_CRIT, "Angus");
	ck_assert_str_eq(test_buf, "crit check_log.c Angus");
	qb_log(LOG_ALERT, "Angus");
	ck_assert_str_eq(test_buf, "alert check_log.c Angus");
	qb_log(LOG_EMERG, "Angus");
	ck_assert_str_eq(test_buf, "emerg check_log.c Angus");

	qb_log_tags_stringify_fn_set(_test_tags_stringify);
	qb_log_format_set(t, "%g %b");

	qb_logt(LOG_INFO, 0, "Angus");
	ck_assert_str_eq(test_buf, "ANY Angus");
	qb_logt(LOG_INFO, 1, "Angus");
	ck_assert_str_eq(test_buf, "ONE Angus");
	qb_logt(LOG_INFO, 5, "Angus");
	ck_assert_str_eq(test_buf, "ANY Angus");
	qb_logt(LOG_INFO, 8, "Angus");
	ck_assert_str_eq(test_buf, "ATE Angus");

	qb_log_format_set(t, "%-15f %b");
	qb_log(LOG_WARNING, "Andrew");
	ck_assert_str_eq(test_buf, "    check_log.c Andrew");

	qb_log_tags_stringify_fn_set(NULL);

	gethostname(host_str, 256);

	qb_log_format_set(t, "%P %H %N %b");
	qb_log(LOG_INFO, "Angus");
	snprintf(cmp_str, 256, "%d %s test Angus", getpid(), host_str);
	ck_assert_str_eq(test_buf, cmp_str);

	qb_log_format_set(t, "%3N %H %P %b");
	qb_log(LOG_INFO, "Angus");
	snprintf(cmp_str, 256, "tes %s %d Angus", host_str, getpid());
	ck_assert_str_eq(test_buf, cmp_str);
}
END_TEST

START_TEST(test_log_enable)
{
	int32_t t;
	int32_t state;

	qb_log_init("test", LOG_USER, LOG_DEBUG);
	state = qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_STATE_GET, 0);
	ck_assert_int_eq(state, QB_LOG_STATE_ENABLED);
	state = qb_log_ctl(QB_LOG_STDERR, QB_LOG_CONF_STATE_GET, 0);
	ck_assert_int_eq(state, QB_LOG_STATE_DISABLED);
	state = qb_log_ctl(QB_LOG_BLACKBOX, QB_LOG_CONF_STATE_GET, 0);
	ck_assert_int_eq(state, QB_LOG_STATE_DISABLED);

	qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
	state = qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_STATE_GET, 0);
	ck_assert_int_eq(state, QB_LOG_STATE_DISABLED);

	t = qb_log_custom_open(_test_logger, NULL, NULL, NULL);
	qb_log_ctl(t, QB_LOG_CONF_ENABLED, QB_TRUE);

	qb_log_filter_ctl(t, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, "*", LOG_DEBUG);
	qb_log_format_set(t, "%b");

	qb_log(LOG_DEBUG, "Hello");
	ck_assert_str_eq(test_buf, "Hello");

	num_msgs = 0;
	qb_log_ctl(t, QB_LOG_CONF_ENABLED, QB_FALSE);
	qb_log(LOG_DEBUG, "Goodbye");
	ck_assert_int_eq(num_msgs, 0);
	qb_log_ctl(t, QB_LOG_CONF_ENABLED, QB_TRUE);
	qb_log(LOG_DEBUG, "Hello again");
	ck_assert_int_eq(num_msgs, 1);
	ck_assert_str_eq(test_buf, "Hello again");
}
END_TEST

#define ITERATIONS 100000
static void *thr_send_logs_2(void *ctx)
{
	int32_t i;
	printf("%s\n", __func__);

	for (i = 0; i < ITERATIONS; i++) {
		qb_log(LOG_INFO, "bla bla");
		qb_log(LOG_INFO, "blue blue");
		qb_log(LOG_INFO, "bra bra");
		qb_log(LOG_INFO, "bro bro");
		qb_log(LOG_INFO, "brown brown");
		qb_log(LOG_INFO, "booo booo");
		qb_log(LOG_INFO, "bogus bogus");
		qb_log(LOG_INFO, "bungu bungu");
	}
	return (NULL);
}

static void *thr_send_logs_1(void *ctx)
{
	int32_t i;

	printf("%s\n", __func__);
	for (i = 0; i < ITERATIONS; i++) {
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "foo soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "fungus soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "fruity soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "free soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "frot soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "fresh soup");
		qb_log_from_external_source(__func__, __FILE__, "%s", LOG_INFO,
					    __LINE__, 0, "fattening soup");

	}
	return (NULL);
}

#define THREADS 4
START_TEST(test_log_threads)
{
	pthread_t threads[THREADS];
	pthread_attr_t thread_attr[THREADS];
	int32_t i;
	int32_t rc;
	int32_t lf;
	void *retval;

	qb_log_init("test", LOG_USER, LOG_DEBUG);
	lf = qb_log_file_open("threads.log");
	rc = qb_log_filter_ctl(lf, QB_LOG_FILTER_ADD, QB_LOG_FILTER_FILE,
					   __FILE__, LOG_DEBUG);
	ck_assert_int_eq(rc, 0);
	qb_log_format_set(lf, "[%p] [%l] %b");
	rc = qb_log_ctl(lf, QB_LOG_CONF_ENABLED, QB_TRUE);
	ck_assert_int_eq(rc, 0);
	rc = qb_log_ctl(QB_LOG_SYSLOG, QB_LOG_CONF_ENABLED, QB_FALSE);
	ck_assert_int_eq(rc, 0);

	for (i = 0; i < THREADS/2; i++) {
		pthread_attr_init(&thread_attr[i]);

		pthread_attr_setdetachstate(&thread_attr[i],
					    PTHREAD_CREATE_JOINABLE);
		pthread_create(&threads[i], &thread_attr[i],
			       thr_send_logs_1, NULL);
	}
	for (i = THREADS/2; i < THREADS; i++) {
		pthread_attr_init(&thread_attr[i]);

		pthread_attr_setdetachstate(&thread_attr[i],
					    PTHREAD_CREATE_JOINABLE);
		pthread_create(&threads[i], &thread_attr[i],
			       thr_send_logs_2, NULL);
	}
	for (i = 0; i < THREADS; i++) {
		pthread_join(threads[i], &retval);
	}

}
END_TEST

START_TEST(test_log_long_msg)
{
	qb_log_init("test", LOG_USER, LOG_DEBUG);
	qb_log_filter_ctl(QB_LOG_SYSLOG, QB_LOG_FILTER_ADD,
			  QB_LOG_FILTER_FILE, "*", LOG_DEBUG);
	qb_log_format_set(QB_LOG_SYSLOG, "%b");

	qb_log(LOG_ERR, "QMF Agent Initialized: broker=localhost:49000 interval=5 storeFile=.cloudpolicyengine-data-cpe name=cloudpolicyengine.org:cpe:04eabb39-89cf-47dd-9d14-7e77d864be07 QMF Agent Initialized: broker=localhost:49000 interval=5 storeFile=.cloudpolicyengine-data-cpe name=cloudpolicyengine.org:cpe:04eabb39-89cf-47dd-9d14-7e77d864be07 QMF Agent Initialized: broker=localhost:49000 interval=5 storeFile=.cloudpolicyengine-data-cpe name=cloudpolicyengine.org:cpe:04eabb39-89cf-47dd-9d14-7e77d864be07");
}
END_TEST

static Suite *log_suite(void)
{
	TCase *tc;
	Suite *s = suite_create("logging");

	tc = tcase_create("va_serialize");
	tcase_add_test(tc, test_va_serialize);
	suite_add_tcase(s, tc);

	tc = tcase_create("limits");
	tcase_add_test(tc, test_log_stupid_inputs);
	suite_add_tcase(s, tc);

	tc = tcase_create("basic");
	tcase_add_test(tc, test_log_basic);
	suite_add_tcase(s, tc);

	tc = tcase_create("format");
	tcase_add_test(tc, test_log_format);
	suite_add_tcase(s, tc);

	tc = tcase_create("enable");
	tcase_add_test(tc, test_log_enable);
	suite_add_tcase(s, tc);

	tc = tcase_create("threads");
	tcase_add_test(tc, test_log_threads);
	tcase_set_timeout(tc, 360);
	suite_add_tcase(s, tc);

	tc = tcase_create("long_msg");
	tcase_add_test(tc, test_log_long_msg);
	suite_add_tcase(s, tc);

	tc = tcase_create("filter_ft");
	tcase_add_test(tc, test_log_filter_fn);
	suite_add_tcase(s, tc);

	return s;
}

int32_t
main(void)
{
	int32_t number_failed;

	Suite *s = log_suite();
	SRunner *sr = srunner_create(s);

	srunner_run_all(sr, CK_VERBOSE);
	number_failed = srunner_ntests_failed(sr);
	srunner_free(sr);
	return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}