browser/components/sessionstore/test/browser_dying_cache.js@6474c204b198 (annotated)
browser/components/sessionstore/test/browser_dying_cache.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.
| michael@0 | 1 | /* Any copyright is dedicated to the Public Domain. |
| michael@0 | 2 | * http://creativecommons.org/publicdomain/zero/1.0/ */ |
| michael@0 | 3 | |
| michael@0 | 4 | function test() { |
| michael@0 | 5 | TestRunner.run(); |
| michael@0 | 6 | } |
| michael@0 | 7 | |
| michael@0 | 8 | /** |
| michael@0 | 9 | * This test ensures that after closing a window we keep its state data around |
| michael@0 | 10 | * as long as something keeps a reference to it. It should only be possible to |
| michael@0 | 11 | * read data after closing - writing should fail. |
| michael@0 | 12 | */ |
| michael@0 | 13 | |
| michael@0 | 14 | function runTests() { |
| michael@0 | 15 | // Open a new window. |
| michael@0 | 16 | let win = OpenBrowserWindow(); |
| michael@0 | 17 | yield whenDelayedStartupFinished(win, next); |
| michael@0 | 18 | |
| michael@0 | 19 | // Load some URL in the current tab. |
| michael@0 | 20 | let flags = Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY; |
| michael@0 | 21 | win.gBrowser.selectedBrowser.loadURIWithFlags("about:robots", flags); |
| michael@0 | 22 | yield whenBrowserLoaded(win.gBrowser.selectedBrowser); |
| michael@0 | 23 | |
| michael@0 | 24 | // Open a second tab and close the first one. |
| michael@0 | 25 | let tab = win.gBrowser.addTab("about:mozilla"); |
| michael@0 | 26 | yield whenBrowserLoaded(tab.linkedBrowser); |
| michael@0 | 27 | SyncHandlers.get(tab.linkedBrowser).flush(); |
| michael@0 | 28 | win.gBrowser.removeTab(win.gBrowser.tabs[0]); |
| michael@0 | 29 | |
| michael@0 | 30 | // Make sure our window is still tracked by sessionstore |
| michael@0 | 31 | // and the window state is as expected. |
| michael@0 | 32 | ok("__SSi" in win, "window is being tracked by sessionstore"); |
| michael@0 | 33 | ss.setWindowValue(win, "foo", "bar"); |
| michael@0 | 34 | checkWindowState(win); |
| michael@0 | 35 | |
| michael@0 | 36 | let state = ss.getWindowState(win); |
| michael@0 | 37 | let closedTabData = ss.getClosedTabData(win); |
| michael@0 | 38 | |
| michael@0 | 39 | // Close our window and wait a tick. |
| michael@0 | 40 | whenWindowClosed(win); |
| michael@0 | 41 | yield win.close(); |
| michael@0 | 42 | |
| michael@0 | 43 | // SessionStore should no longer track our window |
| michael@0 | 44 | // but it should still report the same state. |
| michael@0 | 45 | ok(!("__SSi" in win), "sessionstore does no longer track our window"); |
| michael@0 | 46 | checkWindowState(win); |
| michael@0 | 47 | |
| michael@0 | 48 | // Make sure we're not allowed to modify state data. |
| michael@0 | 49 | ok(shouldThrow(() => ss.setWindowState(win, {})), |
| michael@0 | 50 | "we're not allowed to modify state data anymore"); |
| michael@0 | 51 | ok(shouldThrow(() => ss.setWindowValue(win, "foo", "baz")), |
| michael@0 | 52 | "we're not allowed to modify state data anymore"); |
| michael@0 | 53 | } |
| michael@0 | 54 | |
| michael@0 | 55 | function checkWindowState(window) { |
| michael@0 | 56 | let {windows: [{tabs}]} = JSON.parse(ss.getWindowState(window)); |
| michael@0 | 57 | is(tabs.length, 1, "the window has a single tab"); |
| michael@0 | 58 | is(tabs[0].entries[0].url, "about:mozilla", "the tab is about:mozilla"); |
| michael@0 | 59 | |
| michael@0 | 60 | is(ss.getClosedTabCount(window), 1, "the window has one closed tab"); |
| michael@0 | 61 | let [{state: {entries: [{url}]}}] = JSON.parse(ss.getClosedTabData(window)); |
| michael@0 | 62 | is(url, "about:robots", "the closed tab is about:robots"); |
| michael@0 | 63 | |
| michael@0 | 64 | is(ss.getWindowValue(window, "foo"), "bar", "correct extData value"); |
| michael@0 | 65 | } |
| michael@0 | 66 | |
| michael@0 | 67 | function shouldThrow(f) { |
| michael@0 | 68 | try { |
| michael@0 | 69 | f(); |
| michael@0 | 70 | } catch (e) { |
| michael@0 | 71 | return true; |
| michael@0 | 72 | } |
| michael@0 | 73 | } |
| michael@0 | 74 | |
| michael@0 | 75 | function whenWindowClosed(window) { |
| michael@0 | 76 | window.addEventListener("SSWindowClosing", function onClosing() { |
| michael@0 | 77 | window.removeEventListener("SSWindowClosing", onClosing); |
| michael@0 | 78 | executeSoon(next); |
| michael@0 | 79 | }); |
| michael@0 | 80 | } |
