The Tor Browser / file comparison
comparison: browser/components/sessionstore/test/browser_dying_cache.js
browser/components/sessionstore/test/browser_dying_cache.js
- branch
- TOR_BUG_3246
- changeset 5
- 4ab42b5ab56c
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| -1:000000000000 | 0:677bad1f153f |
|---|---|
| 1 /* Any copyright is dedicated to the Public Domain. | |
| 2 * http://creativecommons.org/publicdomain/zero/1.0/ */ | |
| 3 | |
| 4 function test() { | |
| 5 TestRunner.run(); | |
| 6 } | |
| 7 | |
| 8 /** | |
| 9 * This test ensures that after closing a window we keep its state data around | |
| 10 * as long as something keeps a reference to it. It should only be possible to | |
| 11 * read data after closing - writing should fail. | |
| 12 */ | |
| 13 | |
| 14 function runTests() { | |
| 15 // Open a new window. | |
| 16 let win = OpenBrowserWindow(); | |
| 17 yield whenDelayedStartupFinished(win, next); | |
| 18 | |
| 19 // Load some URL in the current tab. | |
| 20 let flags = Ci.nsIWebNavigation.LOAD_FLAGS_REPLACE_HISTORY; | |
| 21 win.gBrowser.selectedBrowser.loadURIWithFlags("about:robots", flags); | |
| 22 yield whenBrowserLoaded(win.gBrowser.selectedBrowser); | |
| 23 | |
| 24 // Open a second tab and close the first one. | |
| 25 let tab = win.gBrowser.addTab("about:mozilla"); | |
| 26 yield whenBrowserLoaded(tab.linkedBrowser); | |
| 27 SyncHandlers.get(tab.linkedBrowser).flush(); | |
| 28 win.gBrowser.removeTab(win.gBrowser.tabs[0]); | |
| 29 | |
| 30 // Make sure our window is still tracked by sessionstore | |
| 31 // and the window state is as expected. | |
| 32 ok("__SSi" in win, "window is being tracked by sessionstore"); | |
| 33 ss.setWindowValue(win, "foo", "bar"); | |
| 34 checkWindowState(win); | |
| 35 | |
| 36 let state = ss.getWindowState(win); | |
| 37 let closedTabData = ss.getClosedTabData(win); | |
| 38 | |
| 39 // Close our window and wait a tick. | |
| 40 whenWindowClosed(win); | |
| 41 yield win.close(); | |
| 42 | |
| 43 // SessionStore should no longer track our window | |
| 44 // but it should still report the same state. | |
| 45 ok(!("__SSi" in win), "sessionstore does no longer track our window"); | |
| 46 checkWindowState(win); | |
| 47 | |
| 48 // Make sure we're not allowed to modify state data. | |
| 49 ok(shouldThrow(() => ss.setWindowState(win, {})), | |
| 50 "we're not allowed to modify state data anymore"); | |
| 51 ok(shouldThrow(() => ss.setWindowValue(win, "foo", "baz")), | |
| 52 "we're not allowed to modify state data anymore"); | |
| 53 } | |
| 54 | |
| 55 function checkWindowState(window) { | |
| 56 let {windows: [{tabs}]} = JSON.parse(ss.getWindowState(window)); | |
| 57 is(tabs.length, 1, "the window has a single tab"); | |
| 58 is(tabs[0].entries[0].url, "about:mozilla", "the tab is about:mozilla"); | |
| 59 | |
| 60 is(ss.getClosedTabCount(window), 1, "the window has one closed tab"); | |
| 61 let [{state: {entries: [{url}]}}] = JSON.parse(ss.getClosedTabData(window)); | |
| 62 is(url, "about:robots", "the closed tab is about:robots"); | |
| 63 | |
| 64 is(ss.getWindowValue(window, "foo"), "bar", "correct extData value"); | |
| 65 } | |
| 66 | |
| 67 function shouldThrow(f) { | |
| 68 try { | |
| 69 f(); | |
| 70 } catch (e) { | |
| 71 return true; | |
| 72 } | |
| 73 } | |
| 74 | |
| 75 function whenWindowClosed(window) { | |
| 76 window.addEventListener("SSWindowClosing", function onClosing() { | |
| 77 window.removeEventListener("SSWindowClosing", onClosing); | |
| 78 executeSoon(next); | |
| 79 }); | |
| 80 } |
