1 // Copyright 2013 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 var a = []; 29 a[0xfffffffe] = 10; 30 assertThrows("a.unshift(1);", RangeError); 31 assertEquals(0xffffffff, a.length); 32 assertEquals(10, a[0xffffffff]); 33 assertEquals(undefined, a[0xfffffffe]); 34 35 a = [1,2,3]; 36 a[0xfffffffe] = 10; 37 assertThrows("a.splice(1,1,7,7,7,7,7);", RangeError); 38 assertEquals([1,7,7,7,7,7,3], a.slice(0, 7)); 39 assertEquals(0xffffffff, a.length); 40 assertEquals(10, a[0xfffffffe + 5 - 1]); 41 42 a = [1]; 43 Object.defineProperty(a, "1", {writable:false, configurable:false, value: 100}); 44 assertThrows("a.unshift(4);", TypeError); 45 assertEquals([1, 100, 100], a); 46 var desc = Object.getOwnPropertyDescriptor(a, "1"); 47 assertEquals(false, desc.writable); 48 assertEquals(false, desc.configurable); 49 50 a = [1]; 51 var g = function() { return 100; }; 52 Object.defineProperty(a, "1", {get:g}); 53 assertThrows("a.unshift(0);", TypeError); 54 assertEquals([1, 100, 100], a); 55 desc = Object.getOwnPropertyDescriptor(a, "1"); 56 assertEquals(false, desc.configurable); 57 assertEquals(g, desc.get); 58 59 a = [1]; 60 var c = 0; 61 var s = function(v) { c += 1; }; 62 Object.defineProperty(a, "1", {set:s}); 63 a.unshift(10); 64 assertEquals([10, undefined, undefined], a); 65 assertEquals(1, c); 66 desc = Object.getOwnPropertyDescriptor(a, "1"); 67 assertEquals(false, desc.configurable); 68 assertEquals(s, desc.set); 69 70 a = [1]; 71 Object.defineProperty(a, "1", {configurable:false, value:10}); 72 assertThrows("a.splice(1,1);", TypeError); 73 assertEquals([1, 10], a); 74 desc = Object.getOwnPropertyDescriptor(a, "1"); 75 assertEquals(false, desc.configurable); 76 77 a = [0,1,2,3,4,5,6]; 78 Object.defineProperty(a, "3", {configurable:false, writable:false, value:3}); 79 assertThrows("a.splice(1,4);", TypeError); 80 assertEquals([0,5,6,3,,,,,], a); 81 desc = Object.getOwnPropertyDescriptor(a, "3"); 82 assertEquals(false, desc.configurable); 83 assertEquals(false, desc.writable); 84 85 a = [0,1,2,3,4,5,6]; 86 Object.defineProperty(a, "5", {configurable:false, value:5}); 87 assertThrows("a.splice(1,4);", TypeError); 88 assertEquals([0,5,6,3,4,5,,,], a); 89 desc = Object.getOwnPropertyDescriptor(a, "5"); 90 assertEquals(false, desc.configurable); 91 92 a = [1,2,3,,5]; 93 Object.defineProperty(a, "1", {configurable:false, writable:true, value:2}); 94 assertEquals(1, a.shift()); 95 assertEquals([2,3,,5], a); 96 desc = Object.getOwnPropertyDescriptor(a, "1"); 97 assertEquals(false, desc.configurable); 98 assertEquals(true, desc.writable); 99 assertThrows("a.shift();", TypeError); 100 assertEquals([3,3,,5], a); 101 desc = Object.getOwnPropertyDescriptor(a, "1"); 102 assertEquals(false, desc.configurable); 103 assertEquals(true, desc.writable); 104 105 a = [1,2,3]; 106 Object.defineProperty(a, "2", {configurable:false, value:3}); 107 assertThrows("a.pop();", TypeError); 108 assertEquals([1,2,3], a); 109 desc = Object.getOwnPropertyDescriptor(a, "2"); 110 assertEquals(false, desc.configurable); 111 112 a = [1,2,,,5]; 113 Object.defineProperty(a, "4", {writable:true, configurable:false, value:5}); 114 assertThrows("a.sort();", TypeError); 115 assertEquals([1,2,5,,5], a); 116 desc = Object.getOwnPropertyDescriptor(a, "2"); 117 assertEquals(true, desc.configurable); 118 desc = Object.getOwnPropertyDescriptor(a, "4"); 119 assertEquals(false, desc.configurable); 120 121 a = [1,2,3,,5,6]; 122 Object.defineProperty(a, "4", {value:5, writable:false}); 123 assertThrows("a.sort();", TypeError); 124 assertEquals([1,2,3,5,5,6], a); 125 desc = Object.getOwnPropertyDescriptor(a, "4"); 126 assertEquals(false, desc.writable); 127