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