mozilla-central/browser/components/sessionstore/test/browser_491577.js (file symbol)

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Test Info: Warnings

/* 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/. */
add_task(async function test_deleteClosedWindow() {
/** Test for Bug 491577 **/
const REMEMBER = Date.now(),
FORGET = Math.random();
let test_state = {
windows: [
{
tabs: [
{
entries: [
{ url: "http://example.com/", triggeringPrincipal_base64 },
],
},
],
selected: 1,
},
],
_closedWindows: [
// _closedWindows[0]
{
tabs: [
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
],
selected: 2,
title: FORGET,
_closedTabs: [],
},
// _closedWindows[1]
{
tabs: [
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
],
selected: 3,
title: REMEMBER,
_closedTabs: [],
},
// _closedWindows[2]
{
tabs: [
{
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
],
selected: 1,
title: FORGET,
_closedTabs: [
{
state: {
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
{
triggeringPrincipal_base64,
title: "title",
},
],
},
pos: 1,
title: "title",
},
{
state: {
entries: [
{
triggeringPrincipal_base64,
title: "title",
},
],
},
title: "title",
},
],
},
],
};
let remember_count = 1;
function countByTitle(aClosedWindowList, aTitle) {
return aClosedWindowList.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 window list
let newWin = openDialog(location, "_blank", "chrome,all,dialog=no");
await promiseWindowLoaded(newWin);
Services.prefs.setIntPref(
"browser.sessionstore.max_windows_undo",
test_state._closedWindows.length
);
await setWindowState(newWin, test_state, true);
let closedWindows = ss.getClosedWindowData();
is(
closedWindows.length,
test_state._closedWindows.length,
"Closed window list has the expected length"
);
is(
countByTitle(closedWindows, FORGET),
test_state._closedWindows.length - remember_count,
"The correct amount of windows are to be forgotten"
);
is(
countByTitle(closedWindows, REMEMBER),
remember_count,
"Everything is set up."
);
// all of the following calls with illegal arguments should throw NS_ERROR_ILLEGAL_VALUE
ok(
testForError(() => ss.forgetClosedWindow(-1)),
"Invalid window for forgetClosedWindow throws"
);
ok(
testForError(() =>
ss.forgetClosedWindow(test_state._closedWindows.length + 1)
),
"Invalid window for forgetClosedWindow throws"
);
// Remove third window, then first window
ss.forgetClosedWindow(2);
ss.forgetClosedWindow(null);
closedWindows = ss.getClosedWindowData();
is(
closedWindows.length,
remember_count,
"The correct amount of windows were removed"
);
is(
countByTitle(closedWindows, FORGET),
0,
"All windows specifically forgotten were indeed removed"
);
is(
countByTitle(closedWindows, REMEMBER),
remember_count,
"... and windows not specifically forgetten weren't."
);
// clean up
Services.prefs.clearUserPref("browser.sessionstore.max_windows_undo");
await BrowserTestUtils.closeWindow(newWin);
});