Source code
Revision control
Copy as Markdown
Other Tools
Test Info:
"use strict";
const { _LastSession, _lastClosedActions } = ChromeUtils.importESModule(
);
/**
* Tests that the _lastClosedAction list is truncated correctly
* by removing oldest actions in SessionStore._addClosedAction
*/
add_task(async function test_undo_last_action_correct_order() {
SpecialPowers.pushPrefEnv({
set: [
["browser.sessionstore.max_tabs_undo", 3],
["browser.sessionstore.max_windows_undo", 1],
],
});
gBrowser.removeAllTabsBut(gBrowser.tabs[0]);
await TabStateFlusher.flushWindow(window);
forgetClosedTabs(window);
const state = {
windows: [
{
tabs: [
{
entries: [
{
title: "example.org",
triggeringPrincipal_base64,
},
],
},
{
entries: [
{
title: "example.com",
triggeringPrincipal_base64,
},
],
},
{
entries: [
{
title: "mozilla",
triggeringPrincipal_base64,
},
],
},
{
entries: [
{
title: "mozilla privacy policy",
triggeringPrincipal_base64,
},
],
},
],
selected: 3,
},
],
};
_LastSession.setState(state);
SessionStore.resetLastClosedActions();
let sessionRestored = promiseSessionStoreLoads(4 /* total restored tabs */);
restoreLastClosedTabOrWindowOrSession();
await sessionRestored;
Assert.equal(window.gBrowser.tabs.length, 4, "4 tabs have been restored");
BrowserTestUtils.removeTab(window.gBrowser.tabs[3]);
BrowserTestUtils.removeTab(window.gBrowser.tabs[2]);
Assert.equal(window.gBrowser.tabs.length, 2, "Window has one open tab");
// open and close a window
let win2 = await BrowserTestUtils.openNewBrowserWindow();
Assert.equal(win2.gBrowser.tabs.length, 1, "Second window has one open tab");
BrowserTestUtils.startLoadingURIString(
win2.gBrowser.selectedBrowser,
);
await BrowserTestUtils.browserLoaded(win2.gBrowser.selectedBrowser);
await BrowserTestUtils.closeWindow(win2);
// close one tab and reopen it
BrowserTestUtils.removeTab(window.gBrowser.tabs[1]);
Assert.equal(window.gBrowser.tabs.length, 1, "Window has one open tabs");
restoreLastClosedTabOrWindowOrSession();
Assert.equal(window.gBrowser.tabs.length, 2, "Window now has two open tabs");
await SpecialPowers.popPrefEnv();
gBrowser.removeAllTabsBut(gBrowser.tabs[0]);
});