"use strict"; // Tests that an about:privatebrowsing tab with no history will not // be saved into session store and thus, it will not show up in // Recently Closed Tabs. add_task(async function() { let tab = BrowserTestUtils.addTab(gBrowser, "about:privatebrowsing"); let browser = tab.linkedBrowser; await promiseBrowserLoaded(browser); is( gBrowser.browsers[1].currentURI.spec, "about:privatebrowsing", "we will be removing an about:privatebrowsing tab" ); let r = `rand-${Math.random()}`; ss.setCustomTabValue(tab, "foobar", r); await promiseRemoveTabAndSessionState(tab); let closedTabData = JSON.stringify(ss.getClosedTabData(window)); ok(!closedTabData.includes(r), "tab not stored in _closedTabs"); });