/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
async
function test() {
let assertNumberOfTabs =
function (num, msg) {
is(gBrowser.tabs.length, num, msg);
};
let assertNumberOfVisibleTabs =
function (num, msg) {
is(gBrowser.visibleTabs.length, num, msg);
};
waitForExplicitFinish();
// check prerequisites
assertNumberOfTabs(1,
"we start off with one tab");
// setup
let tab = BrowserTestUtils.addTab(gBrowser,
"about:mozilla");
await promiseBrowserLoaded(tab.linkedBrowser);
// hide the newly created tab
assertNumberOfVisibleTabs(2,
"there are two visible tabs");
BrowserTestUtils.showOnlyTheseTabs(gBrowser, [gBrowser.tabs[0]]);
assertNumberOfVisibleTabs(1,
"there is one visible tab");
ok(tab.hidden,
"newly created tab is now hidden");
// close and restore hidden tab
await promiseRemoveTabAndSessionState(tab);
tab = ss.undoCloseTab(window, 0);
// check that everything was restored correctly, clean up and finish
await promiseBrowserLoaded(tab.linkedBrowser);
is(
tab.linkedBrowser.currentURI.spec,
"about:mozilla",
"restored tab has correct url"
);
gBrowser.removeTab(tab);
finish();
}
