The Tor Browser / file comparison
comparison: browser/devtools/webconsole/test/browser_console_dead_objects.js
browser/devtools/webconsole/test/browser_console_dead_objects.js
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| -1:000000000000 | 0:2ab2c0977d36 |
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| 1 /* | |
| 2 * Any copyright is dedicated to the Public Domain. | |
| 3 * http://creativecommons.org/publicdomain/zero/1.0/ | |
| 4 */ | |
| 5 | |
| 6 // Check that Dead Objects do not break the Web/Browser Consoles. See bug 883649. | |
| 7 // This test does: | |
| 8 // - opens a new tab, | |
| 9 // - opens the Browser Console, | |
| 10 // - stores a reference to the content document of the tab on the chrome window object, | |
| 11 // - closes the tab, | |
| 12 // - tries to use the object that was pointing to the now-defunct content | |
| 13 // document. This is the dead object. | |
| 14 | |
| 15 const TEST_URI = "data:text/html;charset=utf8,<p>dead objects!"; | |
| 16 | |
| 17 function test() | |
| 18 { | |
| 19 let hud = null; | |
| 20 | |
| 21 registerCleanupFunction(() => { | |
| 22 Services.prefs.clearUserPref("devtools.chrome.enabled"); | |
| 23 }); | |
| 24 | |
| 25 Task.spawn(runner).then(finishTest); | |
| 26 | |
| 27 function* runner() { | |
| 28 Services.prefs.setBoolPref("devtools.chrome.enabled", true); | |
| 29 let {tab} = yield loadTab(TEST_URI); | |
| 30 | |
| 31 info("open the browser console"); | |
| 32 | |
| 33 hud = yield HUDService.toggleBrowserConsole(); | |
| 34 ok(hud, "browser console opened"); | |
| 35 | |
| 36 hud.jsterm.clearOutput(); | |
| 37 | |
| 38 // Add the reference to the content document. | |
| 39 | |
| 40 yield execute("Cu = Components.utils;" + | |
| 41 "Cu.import('resource://gre/modules/Services.jsm');" + | |
| 42 "chromeWindow = Services.wm.getMostRecentWindow('navigator:browser');" + | |
| 43 "foobarzTezt = chromeWindow.content.document;" + | |
| 44 "delete chromeWindow"); | |
| 45 | |
| 46 gBrowser.removeCurrentTab(); | |
| 47 | |
| 48 let msg = yield execute("foobarzTezt"); | |
| 49 | |
| 50 isnot(hud.outputNode.textContent.indexOf("[object DeadObject]"), -1, | |
| 51 "dead object found"); | |
| 52 | |
| 53 hud.jsterm.setInputValue("foobarzTezt"); | |
| 54 | |
| 55 for (let c of ".hello") { | |
| 56 EventUtils.synthesizeKey(c, {}, hud.iframeWindow); | |
| 57 } | |
| 58 | |
| 59 yield execute(); | |
| 60 | |
| 61 isnot(hud.outputNode.textContent.indexOf("can't access dead object"), -1, | |
| 62 "'cannot access dead object' message found"); | |
| 63 | |
| 64 // Click the second execute output. | |
| 65 let clickable = msg.querySelector("a"); | |
| 66 ok(clickable, "clickable object found"); | |
| 67 isnot(clickable.textContent.indexOf("[object DeadObject]"), -1, | |
| 68 "message text check"); | |
| 69 | |
| 70 msg.scrollIntoView(); | |
| 71 | |
| 72 executeSoon(() => { | |
| 73 EventUtils.synthesizeMouseAtCenter(clickable, {}, hud.iframeWindow); | |
| 74 }); | |
| 75 | |
| 76 yield hud.jsterm.once("variablesview-fetched"); | |
| 77 ok(true, "variables view fetched"); | |
| 78 | |
| 79 msg = yield execute("delete window.foobarzTezt; 2013-26"); | |
| 80 | |
| 81 isnot(msg.textContent.indexOf("1987"), -1, "result message found"); | |
| 82 } | |
| 83 | |
| 84 function execute(str) { | |
| 85 let deferred = promise.defer(); | |
| 86 hud.jsterm.execute(str, (msg) => { | |
| 87 deferred.resolve(msg); | |
| 88 }); | |
| 89 return deferred.promise; | |
| 90 } | |
| 91 } |
