dom/tests/browser/perfmetrics/browser_test_unresponsive.js


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/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */

const ROOT_URL = "http://example.com/browser/dom/tests/browser/perfmetrics";
const PAGE_URL = ROOT_URL + "/unresponsive.html";

add_task(async function test() {
  waitForExplicitFinish();

  await BrowserTestUtils.withNewTab(
    { gBrowser, url: PAGE_URL },
    async function (browser) {
      let dataBack = 0;
      let tabId = gBrowser.selectedBrowser.outerWindowID;

      function exploreResults(data, filterByWindowId) {
        for (let entry of data) {
          if (entry.windowId == tabId && entry.host != "about:blank") {
            dataBack += 1;
          }
        }
      }
      let results = await ChromeUtils.requestPerformanceMetrics();
      exploreResults(results);
      Assert.ok(dataBack == 0);
    }
  );
});