#include "test/jemalloc_test.h"

#define NTHREADS	2

#define NINCRS		2000000

TEST_BEGIN(test_mtx_basic) {

	mtx_t mtx;

	assert_false(mtx_init(&mtx), "Unexpected mtx_init() failure");

	mtx_lock(&mtx);

	mtx_unlock(&mtx);

	mtx_fini(&mtx);

}

TEST_END

typedef struct {

	mtx_t		mtx;

	unsigned	x;

} thd_start_arg_t;

static void *

thd_start(void *varg) {

	thd_start_arg_t *arg = (thd_start_arg_t *)varg;

	unsigned i;

	for (i = 0; i < NINCRS; i++) {

		mtx_lock(&arg->mtx);

		arg->x++;

		mtx_unlock(&arg->mtx);

	}

	return NULL;

}

TEST_BEGIN(test_mtx_race) {

	thd_start_arg_t arg;

	thd_t thds[NTHREADS];

	unsigned i;

	assert_false(mtx_init(&arg.mtx), "Unexpected mtx_init() failure");

	arg.x = 0;

	for (i = 0; i < NTHREADS; i++) {

		thd_create(&thds[i], thd_start, (void *)&arg;;

	}

	for (i = 0; i < NTHREADS; i++) {

		thd_join(thds[i], NULL);

	}

	assert_u_eq(arg.x, NTHREADS * NINCRS,

	    "Race-related counter corruption");

}

TEST_END

int

main(void) {

	return test(

	    test_mtx_basic,

	    test_mtx_race);

}