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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";
// This test is at the edge of timing out, probably because of LUL
// initialization on Linux. This is also happening only once, which is why only
// this test needs it: for other tests LUL is already initialized because
// they're running in the same Firefox instance.
// See also bug 1635442.
requestLongerTimeout(2);
/**
* 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.isActive(), false, "The profiler is not active yet.");
// Start the profiler.
const profilerStarted = once(front, "profiler-started");
await front.startProfiler();
await profilerStarted;
is(await front.isActive(), true, "The profiler was started.");
// Stop the profiler and assert the results.
const profilerStopped1 = once(front, "profiler-stopped");
const profile = await front.getProfileAndStopProfiler();
await profilerStopped1;
is(await front.isActive(), false, "The profiler was stopped.");
ok("threads" in profile, "The actor was used to record a profile.");
// Restart the profiler.
await front.startProfiler();
is(await front.isActive(), true, "The profiler was re-started.");
// Stop and discard.
const profilerStopped2 = once(front, "profiler-stopped");
await front.stopProfilerAndDiscardProfile();
await profilerStopped2;
is(
await front.isActive(),
false,
"The profiler was stopped and the profile discarded."
);
// Clean up.
await front.destroy();
await client.close();
});
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