docshell/test/browser/browser_timelineMarkers-01.js


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/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

// Test that the docShell has the right profile timeline API

const URL = "data:text/html;charset=utf-8,Test page";

add_task(async function() {
  await BrowserTestUtils.withNewTab({ gBrowser, url: URL }, async function(
    browser
  ) {
    await SpecialPowers.spawn(browser, [], function() {
      ok(
        "recordProfileTimelineMarkers" in docShell,
        "The recordProfileTimelineMarkers attribute exists"
      );
      ok(
        "popProfileTimelineMarkers" in docShell,
        "The popProfileTimelineMarkers function exists"
      );
      ok(
        docShell.recordProfileTimelineMarkers === false,
        "recordProfileTimelineMarkers is false by default"
      );
      ok(
        docShell.popProfileTimelineMarkers().length === 0,
        "There are no markers by default"
      );

      docShell.recordProfileTimelineMarkers = true;
      ok(
        docShell.recordProfileTimelineMarkers === true,
        "recordProfileTimelineMarkers can be set to true"
      );

      docShell.recordProfileTimelineMarkers = false;
      ok(
        docShell.recordProfileTimelineMarkers === false,
        "recordProfileTimelineMarkers can be set to false"
      );
    });
  });
});