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<!doctype html>
<meta charset=utf-8>
<title>Named access with shadowing properties</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id=log></div>
<script>
test(function() {
var name = "named1";
window[name] = "shadowing";
var element = document.createElement("span");
element.id = name;
document.body.appendChild(element);
assert_equals(window[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(window, name).value, "shadowing");
assert_equals(Window.prototype[name], element);
assert_equals(Object.getOwnPropertyDescriptor(Window.prototype, name), undefined);
var npo = Object.getPrototypeOf(Window.prototype);
assert_equals(npo[name], element);
assert_equals(Object.getOwnPropertyDescriptor(npo, name).value, element);
assert_equals(EventTarget.prototype[name], undefined);
assert_equals(Object.getOwnPropertyDescriptor(EventTarget.prototype, name), undefined);
}, "Property on window.");
test(function() {
var name = "named2";
Window.prototype[name] = "shadowing";
var element = document.createElement("span");
element.id = name;
document.body.appendChild(element);
assert_equals(window[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(window, name), undefined);
assert_equals(Window.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(Window.prototype, name).value, "shadowing");
var npo = Object.getPrototypeOf(Window.prototype);
assert_equals(npo[name], element);
assert_equals(Object.getOwnPropertyDescriptor(npo, name).value, element);
assert_equals(EventTarget.prototype[name], undefined);
assert_equals(Object.getOwnPropertyDescriptor(EventTarget.prototype, name), undefined);
}, "Property on Window.prototype.");
test(function() {
var name = "named3";
EventTarget.prototype[name] = "shadowing";
var element = document.createElement("span");
element.id = name;
document.body.appendChild(element);
assert_equals(window[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(window, name), undefined);
assert_equals(Window.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(Window.prototype, name), undefined);
var npo = Object.getPrototypeOf(Window.prototype);
assert_equals(npo[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(npo, name), undefined);
assert_equals(EventTarget.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(EventTarget.prototype, name).value, "shadowing");
}, "Property on EventTarget.prototype.");
test(function() {
var name = "named4";
Object.prototype[name] = "shadowing";
var element = document.createElement("span");
element.id = name;
document.body.appendChild(element);
assert_equals(window[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(window, name), undefined);
assert_equals(Window.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(Window.prototype, name), undefined);
var npo = Object.getPrototypeOf(Window.prototype);
assert_equals(npo[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(npo, name), undefined);
assert_equals(EventTarget.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(EventTarget.prototype, name), undefined);
assert_equals(Object.prototype[name], "shadowing");
assert_equals(Object.getOwnPropertyDescriptor(Object.prototype, name).value, "shadowing");
}, "Property on Object.prototype.");
</script>