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comparison: js/xpconnect/tests/mochitest/test_bug793969.html
js/xpconnect/tests/mochitest/test_bug793969.html
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| -1:000000000000 | 0:121b94229def |
|---|---|
| 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"> | |
| 16 | |
| 17 </div> | |
| 18 <pre id="test"> | |
| 19 <script type="application/javascript"> | |
| 20 | |
| 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 } | |
| 32 | |
| 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'); | |
| 40 | |
| 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"); | |
| 44 | |
| 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(); | |
| 55 | |
| 56 </script> | |
| 57 </pre> | |
| 58 </body> | |
| 59 </html> |
