1a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Copyright 2008 the V8 project authors. All rights reserved. 2a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Redistribution and use in source and binary forms, with or without 3a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// modification, are permitted provided that the following conditions are 4a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// met: 5a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 6a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions of source code must retain the above copyright 7a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// notice, this list of conditions and the following disclaimer. 8a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Redistributions in binary form must reproduce the above 9a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// copyright notice, this list of conditions and the following 10a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// disclaimer in the documentation and/or other materials provided 11a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// with the distribution. 12a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// * Neither the name of Google Inc. nor the names of its 13a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// contributors may be used to endorse or promote products derived 14a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// from this software without specific prior written permission. 15a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// 16a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 28a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ---------------- 29a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Check fast objects 30a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 31a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar o = { }; 32a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in o); 33a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('x' in o); 34a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('y' in o); 35a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in o, "toString"); 36a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 37a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar o = { x: 12 }; 38a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in o); 39a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('x' in o); 40a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('y' in o); 41a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in o, "toString"); 42a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 43a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar o = { x: 12, y: 15 }; 44a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in o); 45a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('x' in o); 46a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('y' in o); 47a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in o, "toString"); 48a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 49a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 50a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ---------------- 51a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Check dense arrays 52a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 53a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = [ ]; 54a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in a); 55a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(1 in a); 56a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('0' in a); 57a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('1' in a); 58a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in a, "toString"); 59a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 60a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = [ 1 ]; 61a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(0 in a); 62a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(1 in a); 63a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('0' in a); 64a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('1' in a); 65a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in a, "toString"); 66a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 67a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = [ 1, 2 ]; 68a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(0 in a); 69a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(1 in a); 70a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('0' in a); 71a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('1' in a); 72a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in a, "toString"); 73a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 74a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = [ 1, 2 ]; 75a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0.001 in a); 76a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(-0 in a); 77a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(+0 in a); 78a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('0.0' in a); 79a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('1.0' in a); 80a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(NaN in a); 81a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Infinity in a); 82a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-Infinity in a); 83a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 84a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = []; 85a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocka[1] = 2; 86a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in a); 87a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(1 in a); 88a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(2 in a); 89589d6979ff2ef66fca2d8fa51404c369ca5e9250Ben MurdochassertFalse('0' in a); 90a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('1' in a); 91a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('2' in a); 92a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in a, "toString"); 93a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 94a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 95a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ---------------- 96a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Check dictionary ("normalized") objects 97a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 98a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar o = {}; 99a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfor (var i = 0x0020; i < 0x02ff; i += 2) { 100a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block o['char:' + String.fromCharCode(i)] = i; 101a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 102a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockfor (var i = 0x0020; i < 0x02ff; i += 2) { 103a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertTrue('char:' + String.fromCharCode(i) in o); 104a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block assertFalse('char:' + String.fromCharCode(i + 1) in o); 105a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block} 106a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in o, "toString"); 107a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 108a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar o = {}; 109a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko[Math.pow(2,30)-1] = 0; 110a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko[Math.pow(2,31)-1] = 0; 111a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocko[1] = 0; 112a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in o); 113a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(1 in o); 114a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(2 in o); 115a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Math.pow(2,30)-2 in o); 116a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(Math.pow(2,30)-1 in o); 117a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Math.pow(2,30)-0 in o); 118a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(Math.pow(2,31)-1 in o); 119a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0.001 in o); 120a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('0.0' in o); 121a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('1.0' in o); 122a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(NaN in o); 123a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Infinity in o); 124a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-Infinity in o); 125a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-0 in o); 126a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(+0 in o); 127a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in o, "toString"); 128a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 129a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 130a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ---------------- 131a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Check sparse arrays 132a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 133a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = []; 134a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocka[Math.pow(2,30)-1] = 0; 135a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocka[Math.pow(2,31)-1] = 0; 136a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocka[1] = 0; 137a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0 in a, "0 in a"); 138a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(1 in a, "1 in a"); 139a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(2 in a, "2 in a"); 140a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Math.pow(2,30)-2 in a, "Math.pow(2,30)-2 in a"); 141a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(Math.pow(2,30)-1 in a, "Math.pow(2,30)-1 in a"); 142a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Math.pow(2,30)-0 in a, "Math.pow(2,30)-0 in a"); 143a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(Math.pow(2,31)-1 in a, "Math.pow(2,31)-1 in a"); 144a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(0.001 in a, "0.001 in a"); 145a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('0.0' in a,"'0.0' in a"); 146a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse('1.0' in a,"'1.0' in a"); 147a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(NaN in a,"NaN in a"); 148a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(Infinity in a,"Infinity in a"); 149a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-Infinity in a,"-Infinity in a"); 150a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-0 in a,"-0 in a"); 151a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(+0 in a,"+0 in a"); 152a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue('toString' in a, "toString"); 153a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block 154a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// ------------- 155a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Block// Check negative indices in arrays. 156a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blockvar a = []; 157a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertFalse(-1 in a); 158a7e24c173cf37484693b9abb38e494fa7bd7baebSteve Blocka[-1] = 43; 159a7e24c173cf37484693b9abb38e494fa7bd7baebSteve BlockassertTrue(-1 in a); 160