browser_ext_tabs_warmup.js

Enable keyboard shortcuts

This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && asan OR os == 'linux' && os_version == '18.04' && tsan
Manifest: browser/components/extensions/test/browser/browser.toml

/* -*- Mode: indent-tabs-mode: nil; js-indent-level: 2 -*- */

/* vim: set sts=2 sw=2 et tw=80: */

"use strict";

add_task(async function testWarmupTab() {

  let tab1 = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    "http://example.net/"

);

  let tab2 = await BrowserTestUtils.openNewForegroundTab(

    gBrowser,

    "about:blank"

);

  Assert.ok(!tab1.linkedBrowser.renderLayers, "tab is not warm yet");

  let extension = ExtensionTestUtils.loadExtension({

    manifest: {

      permissions: ["tabs"],

},

    background: async function () {

      let backgroundTab = (

        await browser.tabs.query({

          lastFocusedWindow: true,

          url: "http://example.net/",

          active: false,

})

      )[0];

      await browser.tabs.warmup(backgroundTab.id);

      browser.test.notifyPass("tabs.warmup");

},

});

  await extension.startup();

  await extension.awaitFinish("tabs.warmup");

  Assert.ok(tab1.linkedBrowser.renderLayers, "tab has been warmed up");

  gBrowser.removeTab(tab1);

  gBrowser.removeTab(tab2);

  await extension.unload();

});