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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
const { _LastSession } = ChromeUtils.importESModule(
"resource:///modules/sessionstore/SessionStore.sys.mjs"
);
/**
* Tests that if the user invokes undoCloseTab in a window for which there are no
* tabs to undo closing, that we attempt to restore the previous session if one
* exists.
*/
add_task(async function test_restore_session_in_undoCloseTab() {
forgetClosedTabs(window);
registerCleanupFunction(() => {
forgetClosedTabs(window);
});
const state = {
windows: [
{
tabs: [
{
entries: [
{
url: "https://example.org/",
triggeringPrincipal_base64,
},
],
},
{
entries: [
{
url: "https://example.com/",
triggeringPrincipal_base64,
},
],
},
],
selected: 2,
},
],
};
_LastSession.setState(state);
let sessionRestored = promiseSessionStoreLoads(2 /* total restored tabs */);
let result = undoCloseTab();
await sessionRestored;
Assert.equal(result, null);
Assert.equal(gBrowser.tabs.length, 2);
gBrowser.removeAllTabsBut(gBrowser.tabs[0]);
});
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