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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /js/xpconnect/tests/unit/test_watchdog_hibernate.js | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'js/xpconnect/tests/unit/test_watchdog_hibernate.js')
-rw-r--r-- | js/xpconnect/tests/unit/test_watchdog_hibernate.js | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_watchdog_hibernate.js b/js/xpconnect/tests/unit/test_watchdog_hibernate.js new file mode 100644 index 0000000000..119cc095e2 --- /dev/null +++ b/js/xpconnect/tests/unit/test_watchdog_hibernate.js @@ -0,0 +1,49 @@ +/* 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"); +} |