forked from mirrors/gecko-dev
47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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"use strict";
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/**
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* Run through a series of basic recording actions for the perf actor.
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*/
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add_task(async function() {
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const {front, client} = await initPerfFront();
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// Assert the initial state.
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is(await front.isSupportedPlatform(), true,
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"This test only runs on supported platforms.");
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is(await front.isLockedForPrivateBrowsing(), false,
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"The browser is not in private browsing mode.");
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is(await front.isActive(), false,
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"The profiler is not active yet.");
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// Start the profiler.
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const profilerStarted = once(front, "profiler-started");
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await front.startProfiler();
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await profilerStarted;
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is(await front.isActive(), true, "The profiler was started.");
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// Stop the profiler and assert the results.
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const profilerStopped1 = once(front, "profiler-stopped");
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const profile = await front.getProfileAndStopProfiler();
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await profilerStopped1;
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is(await front.isActive(), false, "The profiler was stopped.");
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ok("threads" in profile, "The actor was used to record a profile.");
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// Restart the profiler.
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await front.startProfiler();
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is(await front.isActive(), true, "The profiler was re-started.");
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// Stop and discard.
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const profilerStopped2 = once(front, "profiler-stopped");
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await front.stopProfilerAndDiscardProfile();
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await profilerStopped2;
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is(await front.isActive(), false,
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"The profiler was stopped and the profile discarded.");
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// Clean up.
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await front.destroy();
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await client.close();
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});
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