browser_615394-SSWindowState_events_undoCloseTab.js

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"use strict";

const testState = {

  windows: [

      tabs: [

        { entries: [{ url: "about:blank", triggeringPrincipal_base64 }] },

        { entries: [{ url: "about:rights", triggeringPrincipal_base64 }] },

],

},

],

};

// Test for Bug 615394 - Session Restore should notify when it is beginning and

// ending a restore.

add_task(async function test_undoCloseTab() {

  await promiseBrowserState(testState);

  let tab = gBrowser.tabs[1];

  let busyEventCount = 0;

  let readyEventCount = 0;

  // This will be set inside the `onSSWindowStateReady` method.

  let lastTab;

  ss.setCustomTabValue(tab, "foo", "bar");

  function onSSWindowStateBusy() {

    busyEventCount++;

  function onSSWindowStateReady() {

    Assert.equal(gBrowser.tabs.length, 2, "Should only have 2 tabs");

    lastTab = gBrowser.tabs[1];

    readyEventCount++;

    Assert.equal(ss.getCustomTabValue(lastTab, "foo"), "bar");

    ss.setCustomTabValue(lastTab, "baz", "qux");

  window.addEventListener("SSWindowStateBusy", onSSWindowStateBusy);

  window.addEventListener("SSWindowStateReady", onSSWindowStateReady);

  let restoredPromise = BrowserTestUtils.waitForEvent(

    gBrowser.tabContainer,

    "SSTabRestored"

);

  await promiseRemoveTabAndSessionState(tab);

  let reopenedTab = ss.undoCloseTab(window, 0);

  await Promise.all([

    restoredPromise,

    BrowserTestUtils.browserLoaded(reopenedTab.linkedBrowser),

]);

  Assert.equal(reopenedTab, lastTab, "Tabs should be the same one.");

  Assert.equal(busyEventCount, 1);

  Assert.equal(readyEventCount, 1);

  Assert.equal(ss.getCustomTabValue(reopenedTab, "baz"), "qux");

  Assert.equal(reopenedTab.linkedBrowser.currentURI.spec, "about:rights");

  window.removeEventListener("SSWindowStateBusy", onSSWindowStateBusy);

  window.removeEventListener("SSWindowStateReady", onSSWindowStateReady);

  BrowserTestUtils.removeTab(reopenedTab);

});