<!DOCTYPE html>
<html>
<head>
<script src="../../resources/js-test-pre.js"></script>
</head>
<body>
<script>
var descriptor = Object.getOwnPropertyDescriptor(document.body.__proto__.__proto__.__proto__, "id")
var originalGetter = descriptor.get;
var originalSetter = descriptor.set;

var getterCallCount = 0;
var setterCallCount = 0;

shouldBe('originalGetter.call(document.body)', 'document.body.id');
var countingGet = function () { getterCallCount++; return originalGetter.call(this); };
var countingSet = function (s) { setterCallCount++; return originalSetter.call(this, s); };
descriptor.get = countingGet;
descriptor.set = countingSet;

Object.defineProperty(document.body.__proto__.__proto__.__proto__, 'id', descriptor);

debug('');
shouldBe('getterCallCount', '0');
shouldBe('setterCallCount', '0');

debug('');
debug('* Calling Getter');
shouldBeEqualToString('document.body.id', '');

shouldBe('getterCallCount', '1');
shouldBe('setterCallCount', '0');

debug('');
debug('* Calling Setter');
evalAndLog('document.body.id = "newid";');

shouldBe('getterCallCount', '1');
shouldBe('setterCallCount', '1');

debug('');
shouldBeEqualToString('document.body.id', 'newid');

shouldBe('Object.getOwnPropertyDescriptor(document.body.__proto__.__proto__.__proto__, "id").set', 'countingSet');
shouldBe('Object.getOwnPropertyDescriptor(document.body.__proto__.__proto__.__proto__, "id").get', 'countingGet');
</script>
</body>
<script src="../../resources/js-test-post.js"></script>
</html>