js/xpconnect/tests/mochitest/test_bug793969.html@6474c204b198
js/xpconnect/tests/mochitest/test_bug793969.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=793969
5 -->
6 <head>
7 <meta charset="utf-8">
8 <title>Test for Bug 793969</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=793969">Mozilla Bug 793969</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 793969 **/
22 function checkThrows(f, desc, skipMessageCheck) {
23 try {
24 f();
25 ok(false, "Should have thrown for " + desc);
26 } catch (e) {
27 ok(true, "threw correctly");
28 if (!skipMessageCheck)
29 ok(/denied/.exec(e), "Correctly threw a security exception: " + e);
30 }
31 }
33 // NB: These sets will be no-ops (throw in strict mode) because setting an inherited readonly value prop has those semantics.
34 checkThrows(function() { "use strict"; location.valueOf = 'hah'; }, 'Shadow with string', /* skipMessageCheck = */ true);
35 checkThrows(function() { "use strict"; location.valueOf = function() { return {a: 'hah'};} }, 'Shadow with function', /* skipMessageCheck = */ true);
36 checkThrows(function() { Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'defineProperty with value');
37 checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'delete + defineProperty with value');
38 checkThrows(function() { Object.defineProperty(location, 'valueOf', { getter: function() { return 'hah'; } }); }, 'defineProperty with getter');
39 checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { getter: function() { return 'hah'; } }); }, 'delete + defineProperty with getter');
41 Object.prototype.valueOf = function() { return 'hah'; };
42 is(({}).valueOf(), 'hah', "Shadowing on Object.prototype works for vanilla objects");
43 is(location.valueOf(), location, "Shadowing on Object.prototype and Location.prototype doesn't for location objects");
45 // Make sure that Location.prototype can't be mucked with.
46 function checkProto() {
47 "use strict"
48 checkThrows(function() { Location.prototype.foo = 'hah'; }, 'adding new property to Location.prototype', /* skipMessageCheck = */ true);
49 checkThrows(function() { Location.prototype.valueOf = 'hah'; }, 'defining valueOf on Location.prototype', /* skipMessageCheck = */ true);
50 checkThrows(function() { delete Location.prototype.toString; }, 'deleting property on Location.prototype', /* skipMessageCheck = */ true);
51 checkThrows(function() { Location.prototype.toString = 'hah'; }, 'setting property on Location.prototype', /* skipMessageCheck = */ true);
52 checkThrows(function() { Object.defineProperty(Location.prototype, 'toString', {value: 'hah'}); }, 'defining property on Location.prototype', /* skipMessageCheck = */ true);
53 };
54 checkProto();
56 </script>
57 </pre>
58 </body>
59 </html>
