1 // Copyright 2010 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 function get(){return x} 29 function set(x){this.x=x}; 30 31 var obj = {x:1}; 32 obj.__defineGetter__("accessor", get); 33 obj.__defineSetter__("accessor", set); 34 35 36 var descIsData = Object.getOwnPropertyDescriptor(obj,'x'); 37 assertTrue(descIsData.enumerable); 38 assertTrue(descIsData.writable); 39 assertTrue(descIsData.configurable); 40 41 var descIsAccessor = Object.getOwnPropertyDescriptor(obj, 'accessor'); 42 assertTrue(descIsAccessor.enumerable); 43 assertTrue(descIsAccessor.configurable); 44 assertTrue(descIsAccessor.get == get); 45 assertTrue(descIsAccessor.set == set); 46 47 var descIsNotData = Object.getOwnPropertyDescriptor(obj, 'not-x'); 48 assertTrue(descIsNotData == undefined); 49 50 var descIsNotAccessor = Object.getOwnPropertyDescriptor(obj, 'not-accessor'); 51 assertTrue(descIsNotAccessor == undefined); 52