browser_aboutprofiling-features.js

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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";

add_task(async function test() {

  info("Test that about:profiling can be loaded, and the features changed.");

ok(

    Services.profiler.GetFeatures().includes("js"),

    "This test assumes that the JavaScript feature is available on every platform."

);

  await withAboutProfiling(async document => {

    const jsInput = await getNearestInputFromText(document, "JavaScript");

ok(

      activeConfigurationHasFeature("js"),

      "By default, the JS feature is always enabled."

);

    ok(jsInput.checked, "The JavaScript input is checked when enabled.");

    jsInput.click();

ok(

      !activeConfigurationHasFeature("js"),

      "The JS feature can be toggled off."

);

    ok(!jsInput.checked, "The JS feature's input element is also toggled off.");

});

});