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/* 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/. */
"use strict";
/**
* Run through a series of basic recording actions for the perf actor.
*/
add_task(async function() {
const { front, client } = await initPerfFront();
// Assert the initial state.
is(
await front.isSupportedPlatform(),
true,
"This test only runs on supported platforms."
);
is(
await front.isLockedForPrivateBrowsing(),
false,
"The browser is not in private browsing mode."
);
is(await front.isActive(), false, "The profiler is not active yet.");
// Getting the active BrowsingContext ID to assert in the "profiler-started" event.
const win = Services.wm.getMostRecentWindow("navigator:browser");
const activeBrowsingContextID =
win.gBrowser.selectedBrowser.browsingContext.id;
front.once(
"profiler-started",
(entries, interval, features, duration, activeBCID) => {
is(entries, 1024, "Should apply entries by startProfiler");
is(interval, 0.1, "Should apply interval by startProfiler");
is(typeof features, "number", "Should apply features by startProfiler");
is(duration, 2, "Should apply duration by startProfiler");
is(
activeBCID,
activeBrowsingContextID,
"Should apply active browsing context ID by startProfiler"
);
}
);
// Start the profiler.
await front.startProfiler({
entries: 1000,
duration: 2,
interval: 0.1,
features: ["js", "stackwalk"],
});
is(await front.isActive(), true, "The profiler is active.");
// clean up
await front.stopProfilerAndDiscardProfile();
await front.destroy();
await client.close();
});
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