1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/js/xpconnect/tests/mochitest/test_bug793969.html Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,59 @@
1.4 +<!DOCTYPE HTML>
1.5 +<html>
1.6 +<!--
1.7 +https://bugzilla.mozilla.org/show_bug.cgi?id=793969
1.8 +-->
1.9 +<head>
1.10 + <meta charset="utf-8">
1.11 + <title>Test for Bug 793969</title>
1.12 + <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
1.13 + <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
1.14 +</head>
1.15 +<body>
1.16 +<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=793969">Mozilla Bug 793969</a>
1.17 +<p id="display"></p>
1.18 +<div id="content" style="display: none">
1.19 +
1.20 +</div>
1.21 +<pre id="test">
1.22 +<script type="application/javascript">
1.23 +
1.24 +/** Test for Bug 793969 **/
1.25 +function checkThrows(f, desc, skipMessageCheck) {
1.26 + try {
1.27 + f();
1.28 + ok(false, "Should have thrown for " + desc);
1.29 + } catch (e) {
1.30 + ok(true, "threw correctly");
1.31 + if (!skipMessageCheck)
1.32 + ok(/denied/.exec(e), "Correctly threw a security exception: " + e);
1.33 + }
1.34 +}
1.35 +
1.36 +// NB: These sets will be no-ops (throw in strict mode) because setting an inherited readonly value prop has those semantics.
1.37 +checkThrows(function() { "use strict"; location.valueOf = 'hah'; }, 'Shadow with string', /* skipMessageCheck = */ true);
1.38 +checkThrows(function() { "use strict"; location.valueOf = function() { return {a: 'hah'};} }, 'Shadow with function', /* skipMessageCheck = */ true);
1.39 +checkThrows(function() { Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'defineProperty with value');
1.40 +checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { value: function() { return 'hah'; } }); }, 'delete + defineProperty with value');
1.41 +checkThrows(function() { Object.defineProperty(location, 'valueOf', { getter: function() { return 'hah'; } }); }, 'defineProperty with getter');
1.42 +checkThrows(function() { delete location.valueOf; Object.defineProperty(location, 'valueOf', { getter: function() { return 'hah'; } }); }, 'delete + defineProperty with getter');
1.43 +
1.44 +Object.prototype.valueOf = function() { return 'hah'; };
1.45 +is(({}).valueOf(), 'hah', "Shadowing on Object.prototype works for vanilla objects");
1.46 +is(location.valueOf(), location, "Shadowing on Object.prototype and Location.prototype doesn't for location objects");
1.47 +
1.48 +// Make sure that Location.prototype can't be mucked with.
1.49 +function checkProto() {
1.50 + "use strict"
1.51 + checkThrows(function() { Location.prototype.foo = 'hah'; }, 'adding new property to Location.prototype', /* skipMessageCheck = */ true);
1.52 + checkThrows(function() { Location.prototype.valueOf = 'hah'; }, 'defining valueOf on Location.prototype', /* skipMessageCheck = */ true);
1.53 + checkThrows(function() { delete Location.prototype.toString; }, 'deleting property on Location.prototype', /* skipMessageCheck = */ true);
1.54 + checkThrows(function() { Location.prototype.toString = 'hah'; }, 'setting property on Location.prototype', /* skipMessageCheck = */ true);
1.55 + checkThrows(function() { Object.defineProperty(Location.prototype, 'toString', {value: 'hah'}); }, 'defining property on Location.prototype', /* skipMessageCheck = */ true);
1.56 +};
1.57 +checkProto();
1.58 +
1.59 +</script>
1.60 +</pre>
1.61 +</body>
1.62 +</html>
