browser_page_state.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

"use strict";

// Test page state to ensure page is not reloaded and session history is not

// modified.

const DUMMY_1_URL = "https://example.com/";

const TEST_URL = `${URL_ROOT_SSL}doc_page_state.html`;

const DUMMY_2_URL = "https://example.com/browser/";

addRDMTask(

  null,

  async function () {

    await SpecialPowers.pushPrefEnv({

      set: [["browser.navigation.requireUserInteraction", false]],

});

    // Load up a sequence of pages:

    // 0. DUMMY_1_URL

    // 1. TEST_URL

    // 2. DUMMY_2_URL

    const tab = await addTab(DUMMY_1_URL);

    const browser = tab.linkedBrowser;

    await navigateTo(TEST_URL);

    await navigateTo(DUMMY_2_URL);

    // Check session history state

    let history = await getSessionHistory(browser);

    is(history.index - 1, 2, "At page 2 in history");

    is(history.entries.length, 3, "3 pages in history");

    is(history.entries[0].url, DUMMY_1_URL, "Page 0 URL matches");

    is(history.entries[1].url, TEST_URL, "Page 1 URL matches");

    is(history.entries[2].url, DUMMY_2_URL, "Page 2 URL matches");

    // Go back one so we're at the test page

    await back(browser);

    // Check session history state

    history = await getSessionHistory(browser);

    is(history.index - 1, 1, "At page 1 in history");

    is(history.entries.length, 3, "3 pages in history");

    is(history.entries[0].url, DUMMY_1_URL, "Page 0 URL matches");

    is(history.entries[1].url, TEST_URL, "Page 1 URL matches");

    is(history.entries[2].url, DUMMY_2_URL, "Page 2 URL matches");

    // Click on content to set an altered state that would be lost on reload

    await BrowserTestUtils.synthesizeMouseAtCenter("body", {}, browser);

    const { ui } = await openRDM(tab);

    await waitForDeviceAndViewportState(ui);

    // Check color inside the viewport

    let color = await spawnViewportTask(ui, {}, function () {

      return content

        .getComputedStyle(content.document.body)

        .getPropertyValue("background-color");

});

is(

      color,

      "rgb(0, 128, 0)",

      "Content is still modified from click in viewport"

);

    await closeRDM(tab);

    // Check color back in the browser tab

    color = await SpecialPowers.spawn(browser, [], async function () {

      return content

        .getComputedStyle(content.document.body)

        .getPropertyValue("background-color");

});

is(

      color,

      "rgb(0, 128, 0)",

      "Content is still modified from click in browser tab"

);

    // Check session history state

    history = await getSessionHistory(browser);

    is(history.index - 1, 1, "At page 1 in history");

    is(history.entries.length, 3, "3 pages in history");

    is(history.entries[0].url, DUMMY_1_URL, "Page 0 URL matches");

    is(history.entries[1].url, TEST_URL, "Page 1 URL matches");

    is(history.entries[2].url, DUMMY_2_URL, "Page 2 URL matches");

    await removeTab(tab);

},

  { onlyPrefAndTask: true }

);