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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");
}
}
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