browser/components/sessionstore/test/browser_merge_closed_tabs.js@6474c204b198
browser/components/sessionstore/test/browser_merge_closed_tabs.js
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 /* Any copyright is dedicated to the Public Domain.
2 * http://creativecommons.org/publicdomain/zero/1.0/ */
4 /**
5 * This test ensures that closed tabs are merged when restoring
6 * a window state without overwriting tabs.
7 */
8 add_task(function () {
9 const initialState = {
10 windows: [{
11 tabs: [
12 { entries: [{ url: "about:blank" }] }
13 ],
14 _closedTabs: [
15 { state: { entries: [{ ID: 1000, url: "about:blank" }]} },
16 { state: { entries: [{ ID: 1001, url: "about:blank" }]} }
17 ]
18 }]
19 }
21 const restoreState = {
22 windows: [{
23 tabs: [
24 { entries: [{ url: "about:robots" }] }
25 ],
26 _closedTabs: [
27 { state: { entries: [{ ID: 1002, url: "about:robots" }]} },
28 { state: { entries: [{ ID: 1003, url: "about:robots" }]} },
29 { state: { entries: [{ ID: 1004, url: "about:robots" }]} }
30 ]
31 }]
32 }
34 const maxTabsUndo = 4;
35 gPrefService.setIntPref("browser.sessionstore.max_tabs_undo", maxTabsUndo);
37 // Open a new window and restore it to an initial state.
38 let win = yield promiseNewWindowLoaded({private: false});
39 SessionStore.setWindowState(win, JSON.stringify(initialState), true);
40 is(SessionStore.getClosedTabCount(win), 2, "2 closed tabs after restoring initial state");
42 // Restore the new state but do not overwrite existing tabs (this should
43 // cause the closed tabs to be merged).
44 SessionStore.setWindowState(win, JSON.stringify(restoreState), false);
46 // Verify the windows closed tab data is correct.
47 let iClosed = initialState.windows[0]._closedTabs;
48 let rClosed = restoreState.windows[0]._closedTabs;
49 let cData = JSON.parse(SessionStore.getClosedTabData(win));
51 is(cData.length, Math.min(iClosed.length + rClosed.length, maxTabsUndo),
52 "Number of closed tabs is correct");
54 // When the closed tabs are merged the restored tabs are considered to be
55 // closed more recently.
56 for (let i = 0; i < cData.length; i++) {
57 if (i < rClosed.length) {
58 is(cData[i].state.entries[0].ID, rClosed[i].state.entries[0].ID,
59 "Closed tab entry matches");
60 } else {
61 is(cData[i].state.entries[0].ID, iClosed[i - rClosed.length].state.entries[0].ID,
62 "Closed tab entry matches");
63 }
64 }
66 // Clean up.
67 gPrefService.clearUserPref("browser.sessionstore.max_tabs_undo");
68 win.close();
69 });
