view test/script/basic/JDK-8011421.js @ 170:0548c134b9ac

8011421: When using Object.defineProperty on arrays, PropertyDescriptor's property accessors are invoked multiple times Reviewed-by: lagergren, hannesw
author sundar
date Thu, 04 Apr 2013 13:54:51 +0530
parents
children
line wrap: on
line source

/*
 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/**
 * JDK-8011421: When using Object.defineProperty on arrays, PropertyDescriptor's property accessors are invoked multiple times
 *
 * @test
 * @run
 */

var configurableGetterCalled = 0;

// create a property descriptor object with "configurable"
// property with a user defined getter
var propDesc = Object.defineProperty({},
    "configurable",
    {
         get: function() {
            configurableGetterCalled++;
            return false
         }
    }
);

// make array length non-configurable
Object.defineProperty([], "length", propDesc);

// above should have called "configurable" getter only once
if (configurableGetterCalled !== 1) {
    fail("defineProperty on array should call propDesc getters only once");
}