From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001 From: "Matt A. Tobin" Date: Fri, 2 Feb 2018 04:16:08 -0500 Subject: Add m-esr52 at 52.6.0 --- .../test/browser_console_dead_objects.js | 88 ++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 devtools/client/webconsole/test/browser_console_dead_objects.js (limited to 'devtools/client/webconsole/test/browser_console_dead_objects.js') diff --git a/devtools/client/webconsole/test/browser_console_dead_objects.js b/devtools/client/webconsole/test/browser_console_dead_objects.js new file mode 100644 index 000000000..46b15d59b --- /dev/null +++ b/devtools/client/webconsole/test/browser_console_dead_objects.js @@ -0,0 +1,88 @@ +/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */ +/* vim: set ft=javascript ts=2 et sw=2 tw=80: */ +/* Any copyright is dedicated to the Public Domain. + * http://creativecommons.org/publicdomain/zero/1.0/ */ + +// Check that Dead Objects do not break the Web/Browser Consoles. +// See bug 883649. +// This test does: +// - opens a new tab, +// - opens the Browser Console, +// - stores a reference to the content document of the tab on the chrome +// window object, +// - closes the tab, +// - tries to use the object that was pointing to the now-defunct content +// document. This is the dead object. + +"use strict"; + +const TEST_URI = "data:text/html;charset=utf8,

dead objects!"; + +function test() { + let hud = null; + + registerCleanupFunction(() => { + Services.prefs.clearUserPref("devtools.chrome.enabled"); + }); + + Task.spawn(runner).then(finishTest); + + function* runner() { + Services.prefs.setBoolPref("devtools.chrome.enabled", true); + yield loadTab(TEST_URI); + + info("open the browser console"); + + hud = yield HUDService.toggleBrowserConsole(); + ok(hud, "browser console opened"); + + let jsterm = hud.jsterm; + + jsterm.clearOutput(); + + // Add the reference to the content document. + yield jsterm.execute("Cu = Components.utils;" + + "Cu.import('resource://gre/modules/Services.jsm');" + + "chromeWindow = Services.wm.getMostRecentWindow('" + + "navigator:browser');" + + "foobarzTezt = chromeWindow.content.document;" + + "delete chromeWindow"); + + gBrowser.removeCurrentTab(); + + let msg = yield jsterm.execute("foobarzTezt"); + + isnot(hud.outputNode.textContent.indexOf("[object DeadObject]"), -1, + "dead object found"); + + jsterm.setInputValue("foobarzTezt"); + + for (let c of ".hello") { + EventUtils.synthesizeKey(c, {}, hud.iframeWindow); + } + + yield jsterm.execute(); + + isnot(hud.outputNode.textContent.indexOf("can't access dead object"), -1, + "'cannot access dead object' message found"); + + // Click the second execute output. + let clickable = msg.querySelector("a"); + ok(clickable, "clickable object found"); + isnot(clickable.textContent.indexOf("[object DeadObject]"), -1, + "message text check"); + + msg.scrollIntoView(); + + executeSoon(() => { + EventUtils.synthesizeMouseAtCenter(clickable, {}, hud.iframeWindow); + }); + + yield jsterm.once("variablesview-fetched"); + ok(true, "variables view fetched"); + + msg = yield jsterm.execute("delete window.foobarzTezt; 2013-26"); + + isnot(msg.textContent.indexOf("1987"), -1, "result message found"); + } +} -- cgit v1.2.3