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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, true);
registerCleanupFunction(function () {
Services.prefs.clearUserPref(PREF_RESTORE_ON_DEMAND);
});
let state = {
windows: [
{
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: 1,
},
],
};
let expectedCounts = [
[5, 1, 0],
[4, 1, 1],
[3, 1, 2],
[2, 1, 3],
[1, 1, 4],
[0, 1, 5],
];
let tabOrder = [0, 5, 1, 4, 3, 2];
let loadCount = 0;
let promiseRestoringTabs = new Promise(resolve => {
gProgressListener.setCallback(function (
aBrowser,
aNeedRestore,
aRestoring,
aRestored
) {
loadCount++;
let expected = expectedCounts[loadCount - 1];
is(
aNeedRestore,
expected[0],
"load " + loadCount + " - # tabs that need to be restored"
);
is(
aRestoring,
expected[1],
"load " + loadCount + " - # tabs that are restoring"
);
is(
aRestored,
expected[2],
"load " + loadCount + " - # tabs that has been restored"
);
if (loadCount < state.windows[0].tabs.length) {
// double check that this tab was the right one
let expectedData =
state.windows[0].tabs[tabOrder[loadCount - 1]].extData.uniq;
let tab;
for (let i = 0; i < window.gBrowser.tabs.length; i++) {
if (!tab && window.gBrowser.tabs[i].linkedBrowser == aBrowser) {
tab = window.gBrowser.tabs[i];
}
}
is(
ss.getCustomTabValue(tab, "uniq"),
expectedData,
"load " + loadCount + " - correct tab was restored"
);
// select the next tab
window.gBrowser.selectTabAtIndex(tabOrder[loadCount]);
} else {
gProgressListener.unsetCallback();
resolve();
}
});
});
let backupState = ss.getBrowserState();
ss.setBrowserState(JSON.stringify(state));
await promiseRestoringTabs;
// Cleanup.
await promiseBrowserState(backupState);
});