1// Copyright 2009 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 28function makeArrayInObject() { 29 return { foo: [] }; 30} 31 32var a = makeArrayInObject(); 33a.foo.push(5); 34var b = makeArrayInObject(); 35assertEquals(0, b.foo.length, "Array in object"); 36 37function makeObjectInObject() { 38 return { foo: {} }; 39} 40 41a = makeObjectInObject(); 42a.foo.bar = 1; 43b = makeObjectInObject(); 44assertEquals('undefined', typeof(b.foo.bar), "Object in object"); 45 46function makeObjectInArray() { 47 return [ {} ]; 48} 49 50a = makeObjectInArray(); 51a[0].bar = 1; 52b = makeObjectInArray(); 53assertEquals('undefined', typeof(b[0].bar), "Object in array"); 54 55function makeArrayInArray() { 56 return [ [] ]; 57} 58 59a = makeArrayInArray(); 60a[0].push(5); 61b = makeArrayInArray(); 62assertEquals(0, b[0].length, "Array in array"); 63