<!DOCTYPE html>
<html>
<body>
<script src="../../resources/js-test-pre.js"></script>
<script>
description("Tests that using defineProperty() does not clear existing getter if the new descriptor only has a setter");

evalAndLog('oldDescriptor = Object.getOwnPropertyDescriptor(HTMLInputElement.prototype, "value")');
shouldBeType("oldDescriptor.get", "Function");
shouldBeType("oldDescriptor.set", "Function");
shouldBeTrue('oldDescriptor.enumerable');
shouldBeTrue('oldDescriptor.configurable');

function newSetter() { }
debug('');
debug('Override only the setter');
evalAndLog('Object.defineProperty(HTMLInputElement.prototype, "value", { set: newSetter })');

debug('');
evalAndLog('newDescriptor = Object.getOwnPropertyDescriptor(HTMLInputElement.prototype, "value")');
shouldBe("newDescriptor.get", "oldDescriptor.get");
shouldBe("newDescriptor.set", "newSetter");
shouldBeTrue('newDescriptor.enumerable');
shouldBeTrue('newDescriptor.configurable');
</script>
<script src="../../resources/js-test-post.js"></script>
</body>
</html>