tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

browser_frameloader_swap_with_bfcache.js (1416B)

      1 /* Any copyright is dedicated to the Public Domain.
      2   http://creativecommons.org/publicdomain/zero/1.0/ */
      3 
      4 "use strict";
      5 add_task(async function test() {
      6  if (
      7    !SpecialPowers.Services.appinfo.sessionHistoryInParent ||
      8    !SpecialPowers.Services.prefs.getBoolPref("fission.bfcacheInParent")
      9  ) {
     10    ok(
     11      true,
     12      "This test is currently only for the bfcache in the parent process."
     13    );
     14    return;
     15  }
     16  const uri =
     17    "data:text/html,<script>onpageshow = function(e) { document.documentElement.setAttribute('persisted', e.persisted); }; </script>";
     18  let tab1 = await BrowserTestUtils.openNewForegroundTab(gBrowser, uri, true);
     19  let browser1 = tab1.linkedBrowser;
     20 
     21  let tab2 = await BrowserTestUtils.openNewForegroundTab(gBrowser, uri, true);
     22  let browser2 = tab2.linkedBrowser;
     23  BrowserTestUtils.startLoadingURIString(browser2, uri + "nextpage");
     24  await BrowserTestUtils.browserLoaded(browser2, false);
     25 
     26  gBrowser.swapBrowsersAndCloseOther(tab1, tab2);
     27  is(tab1.linkedBrowser, browser1, "Tab's browser should stay the same.");
     28  browser1.goBack(false);
     29  await BrowserTestUtils.browserLoaded(browser1, false);
     30  let persisted = await SpecialPowers.spawn(browser1, [], async function () {
     31    return content.document.documentElement.getAttribute("persisted");
     32  });
     33 
     34  is(persisted, "false", "BFCache should be evicted when swapping browsers.");
     35 
     36  BrowserTestUtils.removeTab(tab1);
     37 });