JSTests/test262/test/built-ins/Object/defineProperty/15.2.3.6-4-99.js

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

/*---
es5id: 15.2.3.6-4-99
description: >
    Object.defineProperty will throw TypeError when name.configurable
    = false, name.[[Get]] is undefined, desc.[[Get]] refers to an
    object (8.12.9 step 11.a.ii)
includes: [propertyHelper.js]
---*/


var obj = {};

function setFunc(value) {
  obj.setVerifyHelpProp = value;
}

Object.defineProperty(obj, "foo", {
  set: setFunc,
  configurable: false
});

function getFunc() {
  return 10;
}

try {
  Object.defineProperty(obj, "foo", {
    get: getFunc,
    set: setFunc
  });
  $ERROR("Expected an exception.");
} catch (e) {
  verifyWritable(obj, "foo", "setVerifyHelpProp");

  verifyNotEnumerable(obj, "foo");

  verifyNotConfigurable(obj, "foo");

  if (!(e instanceof TypeError)) {
    $ERROR("Expected TypeError, got " + e);
  }

}