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