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 // When this bug is corrected move to object-define-property and add 29 // additional tests for configurable in the same manner as existing tests 30 // there. 31 32 var obj = {}; 33 obj[1] = 42; 34 assertEquals(42, obj[1]); 35 Object.defineProperty(obj, '1', {value:10, writable:false}); 36 assertEquals(10, obj[1]); 37 38 // We should not be able to override obj[1]. 39 obj[1] = 5; 40 assertEquals(10, obj[1]); 41 42 // Try on a range of numbers. 43 for(var i = 0; i < 1024; i++) { 44 obj[i] = 42; 45 } 46 47 for(var i = 0; i < 1024; i++) { 48 Object.defineProperty(obj, i, {value: i, writable:false}); 49 } 50 51 for(var i = 0; i < 1024; i++) { 52 assertEquals(i, obj[i]); 53 } 54 55 for(var i = 0; i < 1024; i++) { 56 obj[1] = 5; 57 } 58 59 for(var i = 0; i < 1024; i++) { 60 assertEquals(i, obj[i]); 61 } 62 63
