browser_dom_fission_target_switching.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test top-level target switching in the DOM panel.

const PARENT_PROCESS_URI = "about:robots";

const CONTENT_PROCESS_URI = URL_ROOT_SSL + "page_basic.html";

add_task(async function () {

  // We use about:robots as the starting page because it will run in the parent process.

  // Navigating from that page to a regular content page will always trigger a target

  // switch, with or without fission.

  info("Open a page that runs in the parent process");

  const { panel } = await addTestTab(PARENT_PROCESS_URI);

  const _aProperty = getRowByLabel(panel, "_a");

  let buttonProperty = getRowByLabel(panel, "button");

  ok(!_aProperty, "There is no _a property on the about:robots page");

  ok(buttonProperty, "There is, however, a button property on this page");

  info("Navigate to a page that runs in the content process");

  // Wait for the DOM panel to refresh.

  const store = getReduxStoreFromPanel(panel);

  const onPropertiesFetched = waitForDispatch(store, "FETCH_PROPERTIES");

  // Also wait for the toolbox to switch to the new target, to avoid hanging requests when

  // the test ends.

  await navigateTo(CONTENT_PROCESS_URI);

  await onPropertiesFetched;

  await waitFor(() => getRowByLabel(panel, "_a"));

  ok(true, "This time, the _a property exists on this content process page");

  buttonProperty = getRowByLabel(panel, "button");

ok(

    !buttonProperty,

    "There is, however, no more button property on this page"

);

});