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// Tests the Object.defineProperties method - ES 15.2.3.7 29// Note that the internal DefineOwnProperty method is tested through 30// object-define-property.js, this file only contains tests specific for 31// Object.defineProperties. Also note that object-create.js contains 32// a range of indirect tests on this method since Object.create uses 33// Object.defineProperties as a step in setting up the object. 34 35// Try defining with null as descriptor: 36try { 37 Object.defineProperties({}, null); 38} catch(e) { 39 assertTrue(/null to object/.test(e)); 40} 41 42// Try defining with null as object 43try { 44 Object.defineProperties(null, {}); 45} catch(e) { 46 assertTrue(/called on non-object/.test(e)); 47} 48 49 50var desc = {foo: {value: 10}, bar: {get: function() {return 42; }}}; 51var obj = {}; 52// Check that we actually get the object back as returnvalue 53var x = Object.defineProperties(obj, desc); 54 55assertEquals(x.foo, 10); 56assertEquals(x.bar, 42); 57 58 59// Make sure that all property descriptors are calculated before any 60// modifications are done. 61 62var object = {}; 63 64assertThrows(function() { 65 Object.defineProperties(object, { 66 foo: { value: 1 }, 67 bar: { value: 2, get: function() { return 3; } } 68 }); 69 }, TypeError); 70 71assertEquals(undefined, object.foo); 72assertEquals(undefined, object.bar); 73