michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: function testBody() {
michael@0: 
michael@0:   setWatchdogEnabled(true);
michael@0: 
michael@0:   // It's unlikely that we've ever hibernated at this point, but the timestamps
michael@0:   // default to 0, so this should always be true.
michael@0:   var now = Date.now() * 1000;
michael@0:   var startHibernation = Cu.getWatchdogTimestamp("WatchdogHibernateStart");
michael@0:   var stopHibernation = Cu.getWatchdogTimestamp("WatchdogHibernateStop");
michael@0:   do_log_info("Pre-hibernation statistics:");
michael@0:   do_log_info("now: " + now / 1000000);
michael@0:   do_log_info("startHibernation: " + startHibernation / 1000000);
michael@0:   do_log_info("stopHibernation: " + stopHibernation / 1000000);
michael@0:   do_check_true(startHibernation < now);
michael@0:   do_check_true(stopHibernation < now);
michael@0: 
michael@0:   // When the watchdog runs, it hibernates if there's been no activity for the
michael@0:   // last 2 seconds, otherwise it sleeps for 1 second. As such, given perfect
michael@0:   // scheduling, we should never have more than 3 seconds of inactivity without
michael@0:   // hibernating. To add some padding for automation, we mandate that hibernation
michael@0:   // must begin between 2 and 5 seconds from now.
michael@0:   var timer = Cc["@mozilla.org/timer;1"].createInstance(Ci.nsITimer);
michael@0:   timer.initWithCallback(continueTest, 10000, Ci.nsITimer.TYPE_ONE_SHOT);
michael@0:   simulateActivityCallback(false);
michael@0:   yield;
michael@0: 
michael@0:   simulateActivityCallback(true);
michael@0:   busyWait(1000); // Give the watchdog time to wake up on the condvar.
michael@0:   var stateChange = Cu.getWatchdogTimestamp("RuntimeStateChange");
michael@0:   startHibernation = Cu.getWatchdogTimestamp("WatchdogHibernateStart");
michael@0:   stopHibernation = Cu.getWatchdogTimestamp("WatchdogHibernateStop");
michael@0:   do_log_info("Post-hibernation statistics:");
michael@0:   do_log_info("stateChange: " + stateChange / 1000000);
michael@0:   do_log_info("startHibernation: " + startHibernation / 1000000);
michael@0:   do_log_info("stopHibernation: " + stopHibernation / 1000000);
michael@0:   // XPCOM timers, JS times, and PR_Now() are apparently not directly
michael@0:   // comparable, as evidenced by certain seemingly-impossible timing values
michael@0:   // that occasionally get logged in windows automation. We're really just
michael@0:   // making sure this behavior is roughly as expected on the macro scale,
michael@0:   // so we add a 1 second fuzz factor here.
michael@0:   const FUZZ_FACTOR = 1 * 1000 * 1000;
michael@0:   do_check_true(stateChange > now + 10*1000*1000 - FUZZ_FACTOR);
michael@0:   do_check_true(startHibernation > now + 2*1000*1000 - FUZZ_FACTOR);
michael@0:   do_check_true(startHibernation < now + 5*1000*1000 + FUZZ_FACTOR);
michael@0:   do_check_true(stopHibernation > now + 10*1000*1000 - FUZZ_FACTOR);
michael@0: 
michael@0:   do_test_finished();
michael@0:   yield;
michael@0: }