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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /devtools/client/webconsole/test/browser_console_dead_objects.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/devtools/client/webconsole/test/browser_console_dead_objects.js b/devtools/client/webconsole/test/browser_console_dead_objects.js
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+/* -*- 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,<p>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");
+ }
+}