browser_toolbox_watchedByDevTools_bfcache.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/publicdomain/zero/1.0/ */

"use strict";

const EXAMPLE_COM_URI =

  "https://example.com/document-builder.sjs?html=example.com";

const EXAMPLE_ORG_URI =

  "https://example.org/document-builder.sjs?headers=Cross-Origin-Opener-Policy:same-origin&html=example.org";

/**

 * Test that watchedByDevTools is properly propagated during cross

 * site navigations, and properly restored when navigating with bfcache.

*/

add_task(async function () {

  const tab = await addTab(EXAMPLE_COM_URI);

  const browser = tab.linkedBrowser;

  const bcCom = browser.browsingContext;

  const toolbox = await openToolboxForTab(tab, "webconsole");

  ok(bcCom.watchedByDevTools, "example.com browsing context is watched");

  await navigateTo(EXAMPLE_ORG_URI);

  const bcOrg = browser.browsingContext;

  isnot(bcCom, bcOrg, "Cross-group navigation replaced the BrowsingContext");

  ok(bcOrg.watchedByDevTools, "example.org browsing context is watched");

  info("Close devtools before navigating using bfcache");

  await toolbox.destroy();

  info("Wait for watchByDevTools to be updated");

  await waitFor(() => !bcOrg.watchedByDevTools);

  ok(!bcOrg.watchedByDevTools, "example.org browsing context is not watched");

  ok(!ChromeUtils.isDevToolsOpened(), "DevTools are closed");

  info("Go back from example.org to example.com");

  let onLocationChange = BrowserTestUtils.waitForLocationChange(

    gBrowser,

    EXAMPLE_COM_URI

);

  browser.goBack();

  await onLocationChange;

  is(browser.browsingContext, bcCom, "Back restored example.com from bfcache");

  ok(!bcCom.watchedByDevTools, "example.com browsing context is not watched");

  // This step used to lead to a crash (Bug 2073442).

  info("Go forward from example.com to example.org");

  onLocationChange = BrowserTestUtils.waitForLocationChange(

    gBrowser,

    EXAMPLE_ORG_URI

);

  browser.goForward();

  await onLocationChange;

is(

    browser.browsingContext,

    bcOrg,

    "Forward restored example.org from bfcache"

);

  ok(!bcOrg.watchedByDevTools, "example.org browsing context is not watched");

  gBrowser.removeTab(tab);

});