browser_restore_isAppTab.js

Enable keyboard shortcuts

/* Any copyright is dedicated to the Public Domain.

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

const { TabStateFlusher } = ChromeUtils.importESModule(

  "resource:///modules/sessionstore/TabStateFlusher.sys.mjs"

);

const DUMMY =

  "https://example.com/browser/browser/base/content/test/general/dummy_page.html";

function isBrowserAppTab(browser) {

  return browser.browsingContext.isAppTab;

// Restarts the child process by crashing it then reloading the tab

var restart = async function (browser) {

  // If the tab isn't remote this would crash the main process so skip it

  if (!browser.isRemoteBrowser) {

    return;

  // Make sure the main process has all of the current tab state before crashing

  await TabStateFlusher.flush(browser);

  await BrowserTestUtils.crashFrame(browser);

  let tab = gBrowser.getTabForBrowser(browser);

  SessionStore.reviveCrashedTab(tab);

  await promiseTabLoaded(tab);

};

add_task(async function navigate() {

  let tab = BrowserTestUtils.addTab(gBrowser, "about:robots");

  let browser = tab.linkedBrowser;

  gBrowser.selectedTab = tab;

  await BrowserTestUtils.browserStopped(gBrowser);

  let isAppTab = isBrowserAppTab(browser);

  ok(!isAppTab, "Docshell shouldn't think it is an app tab");

  gBrowser.pinTab(tab);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  BrowserTestUtils.startLoadingURIString(gBrowser, DUMMY);

  await BrowserTestUtils.browserStopped(gBrowser);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  gBrowser.unpinTab(tab);

  isAppTab = isBrowserAppTab(browser);

  ok(!isAppTab, "Docshell shouldn't think it is an app tab");

  gBrowser.pinTab(tab);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  BrowserTestUtils.startLoadingURIString(gBrowser, "about:robots");

  await BrowserTestUtils.browserStopped(gBrowser);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  gBrowser.removeCurrentTab();

});

add_task(async function crash() {

  if (!gMultiProcessBrowser || !AppConstants.MOZ_CRASHREPORTER) {

    return;

  let tab = BrowserTestUtils.addTab(gBrowser, DUMMY);

  let browser = tab.linkedBrowser;

  gBrowser.selectedTab = tab;

  await BrowserTestUtils.browserStopped(gBrowser);

  let isAppTab = isBrowserAppTab(browser);

  ok(!isAppTab, "Docshell shouldn't think it is an app tab");

  gBrowser.pinTab(tab);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  await restart(browser);

  isAppTab = isBrowserAppTab(browser);

  ok(isAppTab, "Docshell should think it is an app tab");

  gBrowser.removeCurrentTab();

});