Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
/* 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);
});
// We'll use 2 states so that we can make sure calling setWindowState doesn't
// wipe out currently restoring data.
let state1 = {
windows: [
{
tabs: [
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
],
},
],
};
let state2 = {
windows: [
{
tabs: [
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
{
entries: [
],
},
],
},
],
};
let numTabs = state1.windows[0].tabs.length + state2.windows[0].tabs.length;
let loadCount = 0;
let promiseRestoringTabs = new Promise(resolve => {
gProgressListener.setCallback(function (aBrowser, aNeedRestore) {
// When loadCount == 2, we'll also restore state2 into the window
if (++loadCount == 2) {
ss.setWindowState(window, JSON.stringify(state2), false);
}
if (loadCount < numTabs) {
return;
}
// We don't actually care about load order in this test, just that they all
// do load.
is(
loadCount,
numTabs,
"test_setWindowStateNoOverwrite: all tabs were restored"
);
is(aNeedRestore, 0, "there are no tabs left needing restore");
gProgressListener.unsetCallback();
resolve();
});
});
let backupState = ss.getBrowserState();
ss.setWindowState(window, JSON.stringify(state1), true);
await promiseRestoringTabs;
// Cleanup.
await promiseBrowserState(backupState);
});