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/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
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");
whenTabIsLoaded(tab, function() {
// hide the newly created tab
assertNumberOfVisibleTabs(2, "there are two visible tabs");
gBrowser.showOnlyTheseTabs([gBrowser.tabs[0]]);
assertNumberOfVisibleTabs(1, "there is one visible tab");
ok(tab.hidden, "newly created tab is now hidden");
// close and restore hidden tab
promiseRemoveTabAndSessionState(tab).then(() => {
tab = ss.undoCloseTab(window, 0);
// check that everything was restored correctly, clean up and finish
whenTabIsLoaded(tab, function() {
is(
tab.linkedBrowser.currentURI.spec,
"about:mozilla",
"restored tab has correct url"
);
gBrowser.removeTab(tab);
finish();
});
});
});
}
function whenTabIsLoaded(tab, callback) {
tab.linkedBrowser.addEventListener(
"load",
function() {
callback();
},
{ capture: true, once: true }
);
}
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