gecko-dev/browser/components/sessionstore/test/browser_461634.js

74 строки
2.9 KiB
JavaScript

/* 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 test() {
/** Test for Bug 461634 **/
waitForExplicitFinish();
const REMEMBER = Date.now(), FORGET = Math.random();
let test_state = { windows: [{ "tabs": [{ "entries": [] }], _closedTabs: [
{ state: { entries: [{ url: "http://www.example.net/" }] }, title: FORGET },
{ state: { entries: [{ url: "http://www.example.net/" }] }, title: REMEMBER },
{ state: { entries: [{ url: "http://www.example.net/" }] }, title: FORGET },
{ state: { entries: [{ url: "http://www.example.net/" }] }, title: REMEMBER },
] }] };
let remember_count = 2;
function countByTitle(aClosedTabList, aTitle) {
return aClosedTabList.filter(aData => aData.title == aTitle).length;
}
function testForError(aFunction) {
try {
aFunction();
return false;
}
catch (ex) {
return ex.name == "NS_ERROR_ILLEGAL_VALUE";
}
}
// open a window and add the above closed tab list
let newWin = openDialog(location, "", "chrome,all,dialog=no");
promiseWindowLoaded(newWin).then(() => {
gPrefService.setIntPref("browser.sessionstore.max_tabs_undo",
test_state.windows[0]._closedTabs.length);
ss.setWindowState(newWin, JSON.stringify(test_state), true);
let closedTabs = JSON.parse(ss.getClosedTabData(newWin));
is(closedTabs.length, test_state.windows[0]._closedTabs.length,
"Closed tab list has the expected length");
is(countByTitle(closedTabs, FORGET),
test_state.windows[0]._closedTabs.length - remember_count,
"The correct amout of tabs are to be forgotten");
is(countByTitle(closedTabs, REMEMBER), remember_count,
"Everything is set up.");
// all of the following calls with illegal arguments should throw NS_ERROR_ILLEGAL_VALUE
ok(testForError(() => ss.forgetClosedTab({}, 0)),
"Invalid window for forgetClosedTab throws");
ok(testForError(() => ss.forgetClosedTab(newWin, -1)),
"Invalid tab for forgetClosedTab throws");
ok(testForError(() => ss.forgetClosedTab(newWin, test_state.windows[0]._closedTabs.length + 1)),
"Invalid tab for forgetClosedTab throws");
// Remove third tab, then first tab
ss.forgetClosedTab(newWin, 2);
ss.forgetClosedTab(newWin, null);
closedTabs = JSON.parse(ss.getClosedTabData(newWin));
is(closedTabs.length, remember_count,
"The correct amout of tabs was removed");
is(countByTitle(closedTabs, FORGET), 0,
"All tabs specifically forgotten were indeed removed");
is(countByTitle(closedTabs, REMEMBER), remember_count,
"... and tabs not specifically forgetten weren't.");
// clean up
gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo");
BrowserTestUtils.closeWindow(newWin).then(finish);
});
}