<!DOCTYPE HTML> <html> <!-- https://bugzilla.mozilla.org/show_bug.cgi?id=462428 --> <head> <title>Test for Bug 462428</title> <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script> <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> </head> <body> <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=462428">Mozilla Bug 462428</a> <p id="display"></p> <div id="content" style="display: none"> </div> <pre id="test"> <script type="application/javascript"> /** Test for Bug 462428 **/ var x = new XMLHttpRequest; x.open("GET", ""); var getter = x.__lookupGetter__('readyState'); ok(getter !== undefined, "But able to look it up the normal way"); ok(!x.hasOwnProperty('readyState'), "property should still be on the prototype"); var sawProp = false; for (var i in x) { if (i === "readyState") { sawProp = true; } } ok(sawProp, "property should be enumerable"); is(getter.call(x), 1, "the getter actually works"); Object.getPrototypeOf(x).__defineSetter__('readyState', function() {}); is(getter.call(x), 1, "the getter works after defineSetter"); is(x.responseType, "", "Should have correct responseType up front"); var setter = x.__lookupSetter__('responseType'); setter.call(x, "document"); is(x.responseType, "document", "the setter is bound correctly"); </script> </pre> </body> </html>