dom/tests/mochitest/bugs/test_protochains.html@6474c204b198
dom/tests/mochitest/bugs/test_protochains.html
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
1 <!DOCTYPE HTML>
2 <html>
3 <!--
4 https://bugzilla.mozilla.org/show_bug.cgi?id=817420
5 -->
6 <head>
7 <meta charset="utf-8">
8 <title>Test for Bug 817420</title>
9 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
10 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
11 </head>
12 <body>
13 <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=817420">Mozilla Bug 817420</a>
14 <p id="display"></p>
15 <div id="content" style="display: none">
17 </div>
18 <pre id="test">
19 <script type="application/javascript">
21 /** Test for Bug 817420 **/
22 is(Object.getPrototypeOf(HTMLElement.prototype), Element.prototype,
23 "Must have correct proto chain for HTMLElement.prototype");
24 is(Object.getPrototypeOf(document.createElementNS(null, "x")),
25 Element.prototype,
26 "Must have correct proto chain for random element");
27 is(Object.getPrototypeOf(document.createElement("noSuchElementName")),
28 HTMLUnknownElement.prototype,
29 "Must have correct proto chain for random HTML element");
31 // And check that it's really working as it should
32 function checkPropPresent(propName, objList, expected)
33 {
34 for (obj of objList) {
35 is(propName in obj,
36 expected,
37 obj + " should " + (expected ? "" : "not ") + "have the property");
38 }
39 }
40 var objList = [ Element.prototype,
41 HTMLElement.prototype,
42 document.createElementNS(null, "x"),
43 document.createElement("noSuchElementName"),
44 document.body ]
45 checkPropPresent("somePropertyThatBetterNeverExist", objList, false);
46 Element.prototype.somePropertyThatBetterNeverExist = 1;
47 checkPropPresent("somePropertyThatBetterNeverExist", objList, true);
49 objList = [ HTMLElement.prototype,
50 document.createElement("noSuchElementName"),
51 document.body ]
52 checkPropPresent("someOtherPropertyThatBetterNeverExist", objList, false);
53 HTMLElement.prototype.someOtherPropertyThatBetterNeverExist = 1;
54 checkPropPresent("someOtherPropertyThatBetterNeverExist", objList, true);
56 </script>
57 </pre>
58 </body>
59 </html>
