browser_586147.js - mozsearch

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

function observeOneRestore(callback) {

  let topic = "sessionstore-browser-state-restored";

  Services.obs.addObserver(function onRestore() {

    Services.obs.removeObserver(onRestore, topic);

    callback();

  }, topic);

function test() {

  waitForExplicitFinish();

  // There should be one tab when we start the test

  let [origTab] = gBrowser.visibleTabs;

  let hiddenTab = BrowserTestUtils.addTab(gBrowser);

  is(gBrowser.visibleTabs.length, 2, "should have 2 tabs before hiding");

  BrowserTestUtils.showOnlyTheseTabs(gBrowser, [origTab]);

  is(gBrowser.visibleTabs.length, 1, "only 1 after hiding");

  ok(hiddenTab.hidden, "sanity check that it's hidden");

  BrowserTestUtils.addTab(gBrowser);

  let state = ss.getBrowserState();

  let stateObj = JSON.parse(state);

  let tabs = stateObj.windows[0].tabs;

  is(tabs.length, 3, "just checking that browser state is correct");

  ok(!tabs[0].hidden, "first tab is visible");

  ok(tabs[1].hidden, "second is hidden");

  ok(!tabs[2].hidden, "third is visible");

  // Make the third tab hidden and then restore the modified state object

  tabs[2].hidden = true;

  observeOneRestore(function () {

    is(gBrowser.visibleTabs.length, 1, "only restored 1 visible tab");

    let restoredTabs = gBrowser.tabs;

    ok(!restoredTabs[0].hidden, "first is still visible");

    ok(restoredTabs[1].hidden, "second tab is still hidden");

    ok(restoredTabs[2].hidden, "third tab is now hidden");

    // Restore the original state and clean up now that we're done

    gBrowser.removeTab(gBrowser.tabs[1]);

    gBrowser.removeTab(gBrowser.tabs[1]);

    finish();

});

  ss.setBrowserState(JSON.stringify(stateObj));