gecko-dev/browser/components/sessionstore/test/browser_465215.js

29 lines
961 B
JavaScript

"use strict";
var uniqueName = "bug 465215";
var uniqueValue1 = "as good as unique: " + Date.now();
var uniqueValue2 = "as good as unique: " + Math.random();
add_task(function* () {
// set a unique value on a new, blank tab
let tab1 = gBrowser.addTab("about:blank");
yield promiseBrowserLoaded(tab1.linkedBrowser);
ss.setTabValue(tab1, uniqueName, uniqueValue1);
// duplicate the tab with that value
let tab2 = ss.duplicateTab(window, tab1);
yield promiseTabRestored(tab2);
is(ss.getTabValue(tab2, uniqueName), uniqueValue1, "tab value was duplicated");
ss.setTabValue(tab2, uniqueName, uniqueValue2);
isnot(ss.getTabValue(tab1, uniqueName), uniqueValue2, "tab values aren't sync'd");
// overwrite the tab with the value which should remove it
yield promiseTabState(tab1, {entries: []});
is(ss.getTabValue(tab1, uniqueName), "", "tab value was cleared");
// clean up
gBrowser.removeTab(tab2);
gBrowser.removeTab(tab1);
});