test_pause.js - mozsearch

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This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && processor == 'x86_64' && tsan
Manifest: tools/profiler/tests/xpcshell/xpcshell.toml

/* 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/. */

add_task(async () => {

  Assert.ok(!Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  let startPromise = Services.profiler.StartProfiler(1000, 10, []);

  // Default: Active and not paused.

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  await startPromise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  // Pause everything, implicitly pauses sampling.

  let pausePromise = Services.profiler.Pause();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await pausePromise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  // While fully paused, pause and resume sampling only, no expected changes.

  let pauseSamplingPromise = Services.profiler.PauseSampling();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await pauseSamplingPromise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  let resumeSamplingPromise = Services.profiler.ResumeSampling();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await resumeSamplingPromise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  // Resume everything.

  let resumePromise = Services.profiler.Resume();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  await resumePromise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  // Pause sampling only.

  let pauseSampling2Promise = Services.profiler.PauseSampling();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await pauseSampling2Promise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  // While sampling is paused, pause everything.

  let pause2Promise = Services.profiler.Pause();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await pause2Promise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  // Resume, but sampling is still paused separately.

  let resume2promise = Services.profiler.Resume();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  await resume2promise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(Services.profiler.IsSamplingPaused());

  // Resume sampling only.

  let resumeSampling2Promise = Services.profiler.ResumeSampling();

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  await resumeSampling2Promise;

  Assert.ok(Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  let stopPromise = Services.profiler.StopProfiler();

  Assert.ok(!Services.profiler.IsActive());

  // Stopping is not pausing.

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

  await stopPromise;

  Assert.ok(!Services.profiler.IsActive());

  Assert.ok(!Services.profiler.IsPaused());

  Assert.ok(!Services.profiler.IsSamplingPaused());

});