browser_tab_detach_restore.js

Enable keyboard shortcuts

"use strict";

const { TabStateFlusher } = ChromeUtils.importESModule(

  "resource:///modules/sessionstore/TabStateFlusher.sys.mjs"

);

add_task(async function () {

  let uri =

    // eslint-disable-next-line @microsoft/sdl/no-insecure-url

    "http://example.com/browser/browser/base/content/test/general/dummy_page.html";

  // Clear out the closed windows set to start

  while (SessionStore.getClosedWindowCount() > 0) {

    SessionStore.forgetClosedWindow(0);

  let tab = BrowserTestUtils.addTab(gBrowser);

  BrowserTestUtils.startLoadingURIString(tab.linkedBrowser, uri);

  await BrowserTestUtils.browserLoaded(tab.linkedBrowser, false, uri);

  await TabStateFlusher.flush(tab.linkedBrowser);

  let key = tab.linkedBrowser.permanentKey;

  let win = gBrowser.replaceTabWithWindow(tab);

  await new Promise(resolve => whenDelayedStartupFinished(win, resolve));

is(

    win.gBrowser.selectedBrowser.permanentKey,

    key,

    "Should have properly copied the permanentKey"

);

  await BrowserTestUtils.closeWindow(win);

is(

    SessionStore.getClosedWindowCount(),

1,

    "Should have restore data for the closed window"

);

  win = SessionStore.undoCloseWindow(0);

  await BrowserTestUtils.waitForEvent(win, "load");

  await BrowserTestUtils.waitForEvent(

    win.gBrowser.tabContainer,

    "SSTabRestored"

);

  is(win.gBrowser.tabs.length, 1, "Should have restored one tab");

is(

    win.gBrowser.selectedBrowser.currentURI.spec,

    uri,

    "Should have restored the right page"

);

  await promiseWindowClosed(win);

});