/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
async
function testBody() {
setWatchdogEnabled(
true);
// It's unlikely that we've ever hibernated at this point, but the timestamps
// default to 0, so this should always be true.
var now = Date.now() * 1000;
var startHibernation = Cu.getWatchdogTimestamp(
"WatchdogHibernateStart");
var stopHibernation = Cu.getWatchdogTimestamp(
"WatchdogHibernateStop");
do_log_info(
"Pre-hibernation statistics:");
do_log_info(
"now: " + now / 1000000);
do_log_info(
"startHibernation: " + startHibernation / 1000000);
do_log_info(
"stopHibernation: " + stopHibernation / 1000000);
Assert.less(startHibernation, now,
"startHibernation ok");
Assert.less(stopHibernation, now,
"stopHibernation ok");
// When the watchdog runs, it hibernates if there's been no activity for the
// last 2 seconds, otherwise it sleeps for 1 second. As such, given perfect
// scheduling, we should never have more than 3 seconds of inactivity without
// hibernating. To add some padding for automation, we mandate that hibernation
// must begin between 2 and 5 seconds from now.
// Sleep for 10 seconds. Note: we don't use nsITimer here because then we may run
// arbitrary (idle) events involving script before it fires.
simulateNoScriptActivity(10);
busyWait(1000);
// Give the watchdog time to wake up on the condvar.
var stateChange = Cu.getWatchdogTimestamp(
"ContextStateChange");
startHibernation = Cu.getWatchdogTimestamp(
"WatchdogHibernateStart");
stopHibernation = Cu.getWatchdogTimestamp(
"WatchdogHibernateStop");
do_log_info(
"Post-hibernation statistics:");
do_log_info(
"stateChange: " + stateChange / 1000000);
do_log_info(
"startHibernation: " + startHibernation / 1000000);
do_log_info(
"stopHibernation: " + stopHibernation / 1000000);
// XPCOM timers, JS times, and PR_Now() are apparently not directly
// comparable, as evidenced by certain seemingly-impossible timing values
// that occasionally get logged in windows automation. We're really just
// making sure this behavior is roughly as expected on the macro scale,
// so we add a 1 second fuzz factor here.
const FUZZ_FACTOR = 1 * 1000 * 1000;
Assert.greater(stateChange, now + 10*1000*1000 - FUZZ_FACTOR,
"stateChange ok");
Assert.greater(startHibernation, now + 2*1000*1000 - FUZZ_FACTOR,
"startHibernation ok");
Assert.less(startHibernation, now + 5*1000*1000 + FUZZ_FACTOR,
"startHibernation ok");
Assert.greater(stopHibernation, now + 10*1000*1000 - FUZZ_FACTOR,
"stopHibernation ok");
}