/* Any copyright is dedicated to the Public Domain. * http://creativecommons.org/publicdomain/zero/1.0/ */ "use strict"; add_task(async function persist_sidebar_width() { { // Make the main test window not count as a browser window any longer, // which allows the persitence code to kick in. const docEl = document.documentElement; const oldWinType = docEl.getAttribute("windowtype"); docEl.setAttribute("windowtype", "navigator:testrunner"); registerCleanupFunction(() => { docEl.setAttribute("windowtype", oldWinType); }); } { info("Showing new window and setting sidebar box"); const win = await BrowserTestUtils.openNewBrowserWindow(); await win.SidebarUI.show("viewBookmarksSidebar"); win.document.getElementById("sidebar-box").style.width = "100px"; await BrowserTestUtils.closeWindow(win); } { info("Showing new window and seeing persisted width"); const win = await BrowserTestUtils.openNewBrowserWindow(); await win.SidebarUI.show("viewBookmarksSidebar"); is( win.document.getElementById("sidebar-box").style.width, "100px", "Width style should be persisted" ); await BrowserTestUtils.closeWindow(win); } });