1 // Copyright 2008 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 // Flags: --noharmony-for-in 29 30 function props(x) { 31 var array = []; 32 for (var p in x) array.push(p); 33 return array.sort(); 34 } 35 36 assertEquals(0, props({}).length, "olen0"); 37 assertEquals(1, props({x:1}).length, "olen1"); 38 assertEquals(2, props({x:1, y:2}).length, "olen2"); 39 40 assertArrayEquals(["x"], props({x:1}), "x"); 41 assertArrayEquals(["x", "y"], props({x:1, y:2}), "xy"); 42 assertArrayEquals(["x", "y", "zoom"], props({x:1, y:2, zoom:3}), "xyzoom"); 43 44 assertEquals(0, props([]).length, "alen0"); 45 assertEquals(1, props([1]).length, "alen1"); 46 assertEquals(2, props([1,2]).length, "alen2"); 47 48 assertArrayEquals(["0"], props([1]), "0"); 49 assertArrayEquals(["0", "1"], props([1,2]), "01"); 50 assertArrayEquals(["0", "1", "2"], props([1,2,3]), "012"); 51 52 var o = {}; 53 var a = []; 54 for (var i = 0x0020; i < 0x01ff; i+=2) { 55 var s = 'char:' + String.fromCharCode(i); 56 a.push(s); 57 o[s] = i; 58 } 59 assertArrayEquals(a, props(o), "charcodes"); 60 61 var a = []; 62 assertEquals(0, props(a).length, "proplen0"); 63 a[Math.pow(2,30)-1] = 0; 64 assertEquals(1, props(a).length, "proplen1"); 65 a[Math.pow(2,31)-1] = 0; 66 assertEquals(2, props(a).length, "proplen2"); 67 a[1] = 0; 68 assertEquals(3, props(a).length, "proplen3"); 69 70 for (var hest = 'hest' in {}) { } 71 assertEquals('hest', hest, "empty-no-override"); 72 73 var result = ''; 74 for (var p in {a : [0], b : 1}) { result += p; } 75 assertEquals('ab', result, "ab"); 76 77 var result = ''; 78 for (var p in {a : {v:1}, b : 1}) { result += p; } 79 assertEquals('ab', result, "ab-nodeep"); 80 81 var result = ''; 82 for (var p in { get a() {}, b : 1}) { result += p; } 83 assertEquals('ab', result, "abget"); 84 85 var result = ''; 86 for (var p in { get a() {}, set a(x) {}, b : 1}) { result += p; } 87 assertEquals('ab', result, "abgetset"); 88 89 90 // Test that for-in in the global scope works with a keyed property as "each". 91 // Test outside a loop and in a loop for multiple iterations. 92 a = [1,2,3,4]; 93 x = {foo:5, bar:6, zip:7, glep:9, 10:11}; 94 delete x.bar; 95 y = {} 96 97 for (a[2] in x) { 98 y[a[2]] = x[a[2]]; 99 } 100 101 assertEquals(5, y.foo, "y.foo"); 102 assertEquals("undefined", typeof y.bar, "y.bar"); 103 assertEquals(7, y.zip, "y.zip"); 104 assertEquals(9, y.glep, "y.glep"); 105 assertEquals(11, y[10], "y[10]"); 106 assertEquals("undefined", typeof y[2], "y[2]"); 107 assertEquals("undefined", typeof y[0], "y[0]"); 108 109 for (i=0 ; i < 3; ++i) { 110 y = {} 111 112 for (a[2] in x) { 113 y[a[2]] = x[a[2]]; 114 } 115 116 assertEquals(5, y.foo, "y.foo"); 117 assertEquals("undefined", typeof y.bar, "y.bar"); 118 assertEquals(7, y.zip, "y.zip"); 119 assertEquals(9, y.glep, "y.glep"); 120 assertEquals(11, y[10], "y[10]"); 121 assertEquals("undefined", typeof y[2], "y[2]"); 122 assertEquals("undefined", typeof y[0], "y[0]"); 123 } 124 125 (function testLargeElementKeys() { 126 // Key out of SMI range but well within safe double representaion. 127 var large_key = 2147483650; 128 var o = []; 129 // Trigger dictionary elements with HeapNumber keys. 130 o[large_key] = 0; 131 o[large_key+1] = 1; 132 o[large_key+2] = 2; 133 o[large_key+3] = 3; 134 var keys = []; 135 for (var k in o) { 136 keys.push(k); 137 } 138 assertEquals(["2147483650", "2147483651", "2147483652", "2147483653"], keys); 139 })(); 140 141 (function testLargeElementKeysWithProto() { 142 var large_key = 2147483650; 143 var o = {__proto__: {}}; 144 o[large_key] = 1; 145 o.__proto__[large_key] = 1; 146 var keys = []; 147 for (var k in o) { 148 keys.push(k); 149 } 150 assertEquals(["2147483650"], keys); 151 })(); 152 153 (function testNonEnumerableArgumentsIndex() { 154 Object.defineProperty(arguments, 0, {enumerable:false}); 155 for (var k in arguments) { 156 assertUnreachable(); 157 } 158 })(); 159 160 (function testNonEnumerableSloppyArgumentsIndex(a) { 161 Object.defineProperty(arguments, 0, {enumerable:false}); 162 for (var k in arguments) { 163 assertUnreachable(); 164 } 165 })(true); 166
