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

/*---
info: >
    Step 4 of defineProperty calls the [[DefineOwnProperty]] internal method
    of O to define the property. For non-configurable properties, step 11.a.ii
    of [[DefineOwnProperty]] permits setting a getter if absent.
es5id: 15.2.3.6-4-21
description: >
    Object.defineProperty permits setting a getter (if absent) of
    non-configurable accessor properties(8.12.9 step 11.a.ii)
includes: [runTestCase.js]
---*/

function testcase() {
  var o = {};

  // create an accessor property; all other attributes default to false.
  // dummy setter
  var setter = function (x) {}
  var d1 = { set: setter };
  Object.defineProperty(o, "foo", d1);

  // now, trying to set the getter should succeed even though [[Configurable]]
  // on the original property will be false. Existing values of need to be preserved.
  var getter = undefined;
  var desc = { get: getter };

  Object.defineProperty(o, "foo", desc);
  var d2 = Object.getOwnPropertyDescriptor(o, "foo");

  if (d2.get === getter &&
      d2.set === setter &&
      d2.configurable === false &&
      d2.enumerable === false) {
    return true;
  }
 }
runTestCase(testcase);