browser_bug1184989_prevent_scrolling_when_preferences_flipped.js

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This test gets skipped with pattern: os == 'linux' && os_version == '18.04' && asan OR os == 'linux' && os_version == '18.04' && tsan OR win11_2009 && asan
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Manifest: browser/components/preferences/tests/browser.toml

const triggeringPrincipal_base64 = E10SUtils.SERIALIZED_SYSTEMPRINCIPAL;

add_task(async function () {

  waitForExplicitFinish();

  const tabURL =

    getRootDirectory(gTestPath) +

    "browser_bug1184989_prevent_scrolling_when_preferences_flipped.xhtml";

  await BrowserTestUtils.withNewTab(

    { gBrowser, url: tabURL },

    async function (browser) {

      let doc = browser.contentDocument;

      let container = doc.getElementById("container");

      // Test button

      let button = doc.getElementById("button");

      button.focus();

      let initialScrollTop = container.scrollTop;

      EventUtils.sendString(" ");

      await checkPageScrolling(container, "button", initialScrollTop);

      // Test checkbox

      let checkbox = doc.getElementById("checkbox");

      checkbox.focus();

      initialScrollTop = container.scrollTop;

      EventUtils.sendString(" ");

      ok(checkbox.checked, "Checkbox is checked");

      await checkPageScrolling(container, "checkbox", initialScrollTop);

      // Test radio

      let radiogroup = doc.getElementById("radiogroup");

      radiogroup.focus();

      initialScrollTop = container.scrollTop;

      EventUtils.sendString(" ");

      await checkPageScrolling(container, "radio", initialScrollTop);

);

  await BrowserTestUtils.withNewTab(

    { gBrowser, url: "about:preferences#search" },

    async function (browser) {

      let doc = browser.contentDocument;

      let container = doc.getElementsByClassName("main-content")[0];

      // Test search

      let engineList = doc.getElementById("engineList");

      engineList.focus();

      let initialScrollTop = container.scrollTop;

      EventUtils.sendString(" ");

is(

        engineList.view.selection.currentIndex,

0,

        "Search engineList is selected"

);

      EventUtils.sendString(" ");

      await checkPageScrolling(

        container,

        "search engineList",

        initialScrollTop

);

);

  // Test session restore

  const CRASH_URL = "about:mozilla";

  const CRASH_FAVICON = "chrome://branding/content/icon32.png";

  const CRASH_SHENTRY = { url: CRASH_URL };

  const CRASH_TAB = { entries: [CRASH_SHENTRY], image: CRASH_FAVICON };

  const CRASH_STATE = { windows: [{ tabs: [CRASH_TAB] }] };

  const TAB_URL = "about:sessionrestore";

  const TAB_FORMDATA = { url: TAB_URL, id: { sessionData: CRASH_STATE } };

  const TAB_SHENTRY = { url: TAB_URL, triggeringPrincipal_base64 };

  const TAB_STATE = { entries: [TAB_SHENTRY], formdata: TAB_FORMDATA };

  let tab = (gBrowser.selectedTab = BrowserTestUtils.addTab(

    gBrowser,

    "about:blank"

));

  // Fake a post-crash tab

  SessionStore.setTabState(tab, JSON.stringify(TAB_STATE));

  await BrowserTestUtils.browserLoaded(tab.linkedBrowser);

  let doc = tab.linkedBrowser.contentDocument;

  // Make body scrollable

  doc.body.style.height = doc.body.clientHeight + 100 + "px";

  let tabsToggle = doc.getElementById("tabsToggle");

  tabsToggle.focus();

  let initialScrollTop = doc.documentElement.scrollTop;

  EventUtils.sendString(" ");

  await checkPageScrolling(

    doc.documentElement,

    "session restore",

    initialScrollTop

);

  gBrowser.removeCurrentTab();

  finish();

});

function checkPageScrolling(container, type, initialScrollTop = 0) {

  return new Promise(resolve => {

    setTimeout(() => {

is(

        container.scrollTop,

        initialScrollTop,

        "Page should not scroll when " + type + " flipped"

);

      resolve();

    }, 0);

});