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/* Copyright (c) 2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file test_mainloop.c
* \brief Tests for functions closely related to the Tor main loop
*/
#include "test.h"
#include "log_test_helpers.h"
#include "or.h"
#include "main.h"
static void
test_mainloop_update_time_normal(void *arg)
{
(void)arg;
/* This time is in the past as of when this test was written. */
time_t now = 1525272090;
reset_uptime();
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 0);
update_current_time(now); // Same time as before is a no-op.
tt_int_op(get_uptime(), OP_EQ, 0);
now += 1;
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 1);
now += 2; // two-second jump is unremarkable.
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 3);
now -= 1; // a one-second hop backwards is also unremarkable.
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now); // it changes the approx time...
tt_int_op(get_uptime(), OP_EQ, 3); // but it doesn't roll back our uptime
done:
;
}
static void
test_mainloop_update_time_jumps(void *arg)
{
(void)arg;
/* This time is in the past as of when this test was written. */
time_t now = 220897152;
reset_uptime();
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 0);
/* Put some uptime on the clock.. */
now += 3;
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 3);
/* Now try jumping forward. */
setup_capture_of_logs(LOG_NOTICE);
now += 3600;
update_current_time(now);
expect_single_log_msg_containing(
"Your system clock just jumped 3600 seconds forward");
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 3); // no uptime change.
mock_clean_saved_logs();
now -= 600;
update_current_time(now);
expect_single_log_msg_containing(
"Your system clock just jumped 600 seconds backward");
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 3); // no uptime change.
/* uptime tracking should go normally now if the clock moves sensibly. */
now += 2;
update_current_time(now);
tt_int_op(approx_time(), OP_EQ, now);
tt_int_op(get_uptime(), OP_EQ, 5);
done:
teardown_capture_of_logs();
}
#define MAINLOOP_TEST(name) \
{ #name, test_mainloop_## name , TT_FORK, NULL, NULL }
struct testcase_t mainloop_tests[] = {
MAINLOOP_TEST(update_time_normal),
MAINLOOP_TEST(update_time_jumps),
END_OF_TESTCASES
};
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