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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
const PREF_RESTORE_ON_DEMAND = "browser.sessionstore.restore_on_demand";
add_task(async function test() {
Services.prefs.setBoolPref(PREF_RESTORE_ON_DEMAND, false);
registerCleanupFunction(function () {
Services.prefs.clearUserPref(PREF_RESTORE_ON_DEMAND);
});
// The first window will be put into the already open window and the second
// window will be opened with _openWindowWithState, which is the source of the problem.
let state = {
windows: [
{
tabs: [
{
entries: [
],
extData: { uniq: r() },
},
],
selected: 1,
},
{
tabs: [
{
entries: [
],
extData: { uniq: r() },
},
{
entries: [
],
extData: { uniq: r() },
},
{
entries: [
],
extData: { uniq: r() },
},
{
entries: [
],
extData: { uniq: r() },
},
{
entries: [
],
extData: { uniq: r() },
},
{
entries: [
],
extData: { uniq: r() },
},
],
selected: 4,
},
],
};
let numTabs = state.windows[0].tabs.length + state.windows[1].tabs.length;
let loadCount = 0;
let promiseRestoringTabs = new Promise(resolve => {
gProgressListener.setCallback(function (aBrowser, aNeedRestore) {
if (++loadCount == numTabs) {
// We don't actually care about load order in this test, just that they all
// do load.
is(loadCount, numTabs, "all tabs were restored");
is(aNeedRestore, 0, "there are no tabs left needing restore");
gProgressListener.unsetCallback();
resolve();
}
});
});
// We also want to catch the 2nd window, so we need to observe domwindowopened
Services.ww.registerNotification(function observer(aSubject, aTopic) {
if (aTopic == "domwindowopened") {
let win = aSubject;
win.addEventListener(
"load",
function () {
Services.ww.unregisterNotification(observer);
win.gBrowser.addTabsProgressListener(gProgressListener);
},
{ once: true }
);
}
});
let backupState = ss.getBrowserState();
ss.setBrowserState(JSON.stringify(state));
await promiseRestoringTabs;
// Cleanup.
await promiseAllButPrimaryWindowClosed();
await promiseBrowserState(backupState);
});