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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");
gBrowser.showOnlyTheseTabs([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));
}
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