JSTests/test262/test/built-ins/Object/defineProperty/15.2.3.6-3-4.js

// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
info: |
    The abtract operation ToPropertyDescriptor  is used to package the
    into a property desc. Step 10 of ToPropertyDescriptor throws a TypeError
    if the property desc ends up having a mix of accessor and data property elements.
es5id: 15.2.3.6-3-4
description: >
    Object.defineProperty throws TypeError if desc has 'set' and
    'writable' present(8.10.5 step 9.a)
---*/

var o = {};

// dummy getter
var setter = function() {}
var desc = {
  set: setter,
  writable: false
};
assert.throws(TypeError, function() {
  Object.defineProperty(o, "foo", desc);
});
assert.sameValue(o.hasOwnProperty("foo"), false, 'o.hasOwnProperty("foo")');