<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=603201 --> <head> <meta charset="utf-8"> <title>Test for Bug 603201</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> <script type="application/javascript"> /** Test for Bug 603201 **/ SimpleTest.waitForExplicitFinish(); function runTest() { var nodes = document.body.childNodes; Object.setPrototypeOf(Number.prototype, nodes); Object.defineProperty(nodes, "getter", {get: function() { "use strict"; is(this, 1); return "getter"; }}); Object.defineProperty(Object.getPrototypeOf(nodes), "getter2", {get: function() { "use strict"; is(this, 1); return "getter2"; }}); var number = 1; is(number.getter, "getter"); is(number.getter2, "getter2"); SimpleTest.finish(); } </script> </head> <body onload="runTest();"> <pre>Test</pre> </body> </html>