1 /* Any copyright is dedicated to the Public Domain.
2 http://creativecommons.org/publicdomain/zero/1.0/ */
5 add_task(async function test() {
7 !SpecialPowers.Services.appinfo.sessionHistoryInParent ||
8 !SpecialPowers.Services.prefs.getBoolPref("fission.bfcacheInParent")
12 "This test is currently only for the bfcache in the parent process."
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;
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);
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");
34 is(persisted, "false", "BFCache should be evicted when swapping browsers.");
36 BrowserTestUtils.removeTab(tab1);