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Test Info:
/* Any copyright is dedicated to the Public Domain.
"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.SidebarController.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.SidebarController.show("viewBookmarksSidebar");
is(
win.document.getElementById("sidebar-box").style.width,
"100px",
"Width style should be persisted"
);
await BrowserTestUtils.closeWindow(win);
}
});