1 /*
   2  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /**
  25  * NASHORN-418 : When a data descriptor property is changed to an accessor descriptor property, new configurable, enumerable flags are not set
  26  *
  27  * @test
  28  * @run
  29  */
  30 
  31 var obj = { foo: 33 };
  32 
  33 var oldDesc = Object.getOwnPropertyDescriptor(obj, "foo");
  34 if (! oldDesc.enumerable) {
  35     fail("#1 'foo' is not enumerable");
  36 }
  37 
  38 if (! oldDesc.configurable) {
  39     fail("#2 'foo' is not configurable");
  40 }
  41 
  42 Object.defineProperty(obj, "foo", {
  43     enumerable: false, configurable: false,
  44     get: function() { return 'hello' } });
  45 
  46 var newDesc = Object.getOwnPropertyDescriptor(obj, "foo");
  47 if (newDesc.enumerable) {
  48     fail("#3 'foo' is enumerable");
  49 }
  50 
  51 if (newDesc.configurable) {
  52     fail("#4 'foo' is configurable");
  53 }
  54 
  55 var obj2 = {};
  56 
  57 Object.defineProperty(obj2, "foo", {
  58     value : 34, writable: false, configurable: true });
  59 
  60 var setterCalled = true;
  61 // descriptor type change, writable is not inherited
  62 Object.defineProperty(obj2, "foo", {
  63   get: undefined, set: function(x) { setterCalled = true } });
  64 
  65 // can still attempt to write
  66 obj2.foo = 44;
  67 if (! setterCalled) {
  68     fail("#5 obj2.foo setter not called");
  69 }
  70 
  71 var obj3 = {};
  72 
  73 Object.defineProperty(obj3, "foo", {
  74   get: undefined, set: function(x) { }, configurable: true });
  75 
  76 Object.defineProperty(obj3, "foo", { value: 33 });
  77 
  78 var desc = Object.getOwnPropertyDescriptor(obj3, "foo");
  79 if (desc.writable) {
  80     fail("#6 obj3.foo is writable");
  81 }