88 lines
2.5 KiB
JavaScript
88 lines
2.5 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
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/* Any copyright is dedicated to the Public Domain.
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* http://creativecommons.org/publicdomain/zero/1.0/ */
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// Check that Dead Objects do not break the Web/Browser Consoles.
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// See bug 883649.
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// This test does:
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// - opens a new tab,
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// - opens the Browser Console,
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// - stores a reference to the content document of the tab on the chrome
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// window object,
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// - closes the tab,
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// - tries to use the object that was pointing to the now-defunct content
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// document. This is the dead object.
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"use strict";
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const TEST_URI = "data:text/html;charset=utf8,<p>dead objects!";
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function test() {
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let hud = null;
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registerCleanupFunction(() => {
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Services.prefs.clearUserPref("devtools.chrome.enabled");
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});
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Task.spawn(runner).then(finishTest);
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function* runner() {
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Services.prefs.setBoolPref("devtools.chrome.enabled", true);
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yield loadTab(TEST_URI);
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info("open the browser console");
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hud = yield HUDService.toggleBrowserConsole();
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ok(hud, "browser console opened");
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let jsterm = hud.jsterm;
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jsterm.clearOutput();
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// Add the reference to the content document.
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yield jsterm.execute("Cu = Components.utils;" +
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"Cu.import('resource://gre/modules/Services.jsm');" +
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"chromeWindow = Services.wm.getMostRecentWindow('" +
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"navigator:browser');" +
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"foobarzTezt = chromeWindow.content.document;" +
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"delete chromeWindow");
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gBrowser.removeCurrentTab();
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let msg = yield jsterm.execute("foobarzTezt");
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isnot(hud.outputNode.textContent.indexOf("[object DeadObject]"), -1,
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"dead object found");
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jsterm.setInputValue("foobarzTezt");
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for (let c of ".hello") {
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EventUtils.synthesizeKey(c, {}, hud.iframeWindow);
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}
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yield jsterm.execute();
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isnot(hud.outputNode.textContent.indexOf("can't access dead object"), -1,
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"'cannot access dead object' message found");
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// Click the second execute output.
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let clickable = msg.querySelector("a");
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ok(clickable, "clickable object found");
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isnot(clickable.textContent.indexOf("[object DeadObject]"), -1,
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"message text check");
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msg.scrollIntoView();
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executeSoon(() => {
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EventUtils.synthesizeMouseAtCenter(clickable, {}, hud.iframeWindow);
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});
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yield jsterm.once("variablesview-fetched");
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ok(true, "variables view fetched");
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msg = yield jsterm.execute("delete window.foobarzTezt; 2013-26");
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isnot(msg.textContent.indexOf("1987"), -1, "result message found");
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}
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}
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