browser_491168.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

function browserWindowsCount() {

  let count = 0;

  let e = Services.wm.getEnumerator("navigator:browser");

  while (e.hasMoreElements()) {

    if (!e.getNext().closed)

      ++count;

  return count;

function test() {

  // make sure we use sessionstore for undoClosetab

  Services.prefs.setIntPref("browser.tabs.max_tabs_undo", 0);

  /** Test for Bug 491168, ported by Bug 524369 **/

  is(browserWindowsCount(), 1, "Only one browser window should be open initially");

  waitForExplicitFinish();

  const REFERRER1 = "http://example.org/?" + Date.now();

  const REFERRER2 = "http://example.org/?" + Math.random();

  let tab = getBrowser().addTab();

  getBrowser().selectedTab = tab;

  let browser = tab.linkedBrowser;

  browser.addEventListener("load", function testBrowserLoad() {

    browser.removeEventListener("load", testBrowserLoad, true);

    let tabState = JSON.parse(ss.getTabState(tab));

    is(tabState.entries[0].referrer,  REFERRER1,

       "Referrer retrieved via getTabState matches referrer set via loadURI.");

    tabState.entries[0].referrer = REFERRER2;

    ss.setTabState(tab, JSON.stringify(tabState));

    tab.addEventListener("SSTabRestored", function testBrowserTabRestored() {

      tab.removeEventListener("SSTabRestored", testBrowserTabRestored, true);

      is(window.content.document.referrer, REFERRER2, "document.referrer matches referrer set via setTabState.");

      getBrowser().removeTab(tab);

      let newTab = ss.undoCloseTab(window, 0);

      newTab.addEventListener("SSTabRestored", function testBrowserNewTabRest() {

        newTab.removeEventListener("SSTabRestored", testBrowserNewTabRest, true);

        is(window.content.document.referrer, REFERRER2, "document.referrer is still correct after closing and reopening the tab.");

        getBrowser().removeTab(newTab);

        is(browserWindowsCount(), 1, "Only one browser window should be open eventually");

        // clean up

        if (Services.prefs.prefHasUserValue("browser.tabs.max_tabs_undo"))

          Services.prefs.clearUserPref("browser.tabs.max_tabs_undo");

        finish();

      }, true);

    }, true);

  },true);

  let referrerURI = Services.io.newURI(REFERRER1);

  browser.loadURI("http://example.org", referrerURI, null);