michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: function test() {
michael@0:   /** Test for Bug 367052 **/
michael@0: 
michael@0:   waitForExplicitFinish();
michael@0: 
michael@0:   // make sure that the next closed tab will increase getClosedTabCount
michael@0:   let max_tabs_undo = gPrefService.getIntPref("browser.sessionstore.max_tabs_undo");
michael@0:   gPrefService.setIntPref("browser.sessionstore.max_tabs_undo", max_tabs_undo + 1);
michael@0:   let closedTabCount = ss.getClosedTabCount(window);
michael@0: 
michael@0:   // restore a blank tab
michael@0:   let tab = gBrowser.addTab("about:");
michael@0:   whenBrowserLoaded(tab.linkedBrowser, function() {
michael@0:     let history = tab.linkedBrowser.webNavigation.sessionHistory;
michael@0:     ok(history.count >= 1, "the new tab does have at least one history entry");
michael@0: 
michael@0:     ss.setTabState(tab, JSON.stringify({ entries: [] }));
michael@0:     whenTabRestored(tab, function() {
michael@0:       ok(history.count == 0, "the tab was restored without any history whatsoever");
michael@0: 
michael@0:       gBrowser.removeTab(tab);
michael@0:       ok(ss.getClosedTabCount(window) == closedTabCount,
michael@0:          "The closed blank tab wasn't added to Recently Closed Tabs");
michael@0: 
michael@0:       // clean up
michael@0:       if (gPrefService.prefHasUserValue("browser.sessionstore.max_tabs_undo"))
michael@0:         gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo");
michael@0:       finish();
michael@0:     });
michael@0:   });
michael@0: }