/* Any copyright is dedicated to the Public Domain. http://creativecommons.org/publicdomain/zero/1.0/ */ var state = { windows: [ { tabs: [ { entries: [ { url: "http://example.com#1", triggeringPrincipal_base64 }, ], }, { entries: [ { url: "http://example.com#2", triggeringPrincipal_base64 }, ], hidden: true, }, ], }, ], }; function test() { waitForExplicitFinish(); newWindowWithState(state, function(aWindow) { let tab = aWindow.gBrowser.tabs[1]; ok(tab.hidden, "the second tab is hidden"); let tabShown = false; let tabShowCallback = () => (tabShown = true); tab.addEventListener("TabShow", tabShowCallback); let tabState = ss.getTabState(tab); ss.setTabState(tab, tabState); tab.removeEventListener("TabShow", tabShowCallback); ok(tab.hidden && !tabShown, "tab remains hidden"); finish(); }); } // ---------- function newWindowWithState(aState, aCallback) { let opts = "chrome,all,dialog=no,height=800,width=800"; let win = window.openDialog(AppConstants.BROWSER_CHROME_URL, "_blank", opts); registerCleanupFunction(() => BrowserTestUtils.closeWindow(win)); whenWindowLoaded(win, function onWindowLoaded(aWin) { ss.setWindowState(aWin, JSON.stringify(aState), true); executeSoon(() => aCallback(aWin)); }); }