mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-12-06 19:41:15 +01:00
Nick Mathewson
1d16b7124f
This function is about to get more complicated, so we should track how it's working.
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/* Copyright (c) 2018, The Tor Project, Inc. */
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/* See LICENSE for licensing information */
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/**
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* \file test_mainloop.c
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* \brief Tests for functions closely related to the Tor main loop
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*/
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#include "test.h"
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#include "log_test_helpers.h"
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#include "or.h"
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#include "main.h"
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static void
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test_mainloop_update_time_normal(void *arg)
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{
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(void)arg;
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/* This time is in the past as of when this test was written. */
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time_t now = 1525272090;
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reset_uptime();
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 0);
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update_current_time(now); // Same time as before is a no-op.
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tt_int_op(get_uptime(), OP_EQ, 0);
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now += 1;
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 1);
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now += 2; // two-second jump is unremarkable.
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 3);
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now -= 1; // a one-second hop backwards is also unremarkable.
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now); // it changes the approx time...
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tt_int_op(get_uptime(), OP_EQ, 3); // but it doesn't roll back our uptime
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done:
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;
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}
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static void
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test_mainloop_update_time_jumps(void *arg)
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{
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(void)arg;
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/* This time is in the past as of when this test was written. */
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time_t now = 220897152;
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reset_uptime();
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 0);
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/* Put some uptime on the clock.. */
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now += 3;
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 3);
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/* Now try jumping forward. */
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setup_capture_of_logs(LOG_NOTICE);
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now += 3600;
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update_current_time(now);
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expect_single_log_msg_containing(
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"Your system clock just jumped 3600 seconds forward");
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 3); // no uptime change.
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mock_clean_saved_logs();
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now -= 600;
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update_current_time(now);
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expect_single_log_msg_containing(
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"Your system clock just jumped 600 seconds backward");
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 3); // no uptime change.
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/* uptime tracking should go normally now if the clock moves sensibly. */
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now += 2;
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update_current_time(now);
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tt_int_op(approx_time(), OP_EQ, now);
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tt_int_op(get_uptime(), OP_EQ, 5);
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done:
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teardown_capture_of_logs();
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}
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#define MAINLOOP_TEST(name) \
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{ #name, test_mainloop_## name , TT_FORK, NULL, NULL }
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struct testcase_t mainloop_tests[] = {
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MAINLOOP_TEST(update_time_normal),
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MAINLOOP_TEST(update_time_jumps),
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END_OF_TESTCASES
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};
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