1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --harmony-tolength 6 7 // Test array functions do not cause infinite loops when length is negative, 8 // max_value, etc. 9 10 // ArrayToString 11 12 var o = { length: Number.MIN_VALUE }; 13 var result = Array.prototype.toString.call(o); 14 assertEquals("[object Object]", result); 15 16 // ArrayToLocaleString 17 18 var o = { length: Number.MIN_VALUE }; 19 var result = Array.prototype.toLocaleString.call(o); 20 assertEquals("", result); 21 22 // ArrayJoin 23 24 var o = { length: Number.MIN_VALUE }; 25 var result = Array.prototype.join.call(o); 26 assertEquals(0, result.length); 27 28 // ArrayPush 29 30 var o = { length: Number.MIN_VALUE }; 31 Array.prototype.push.call(o, 1); 32 assertEquals(1, o.length); 33 assertEquals(1, o[0]); 34 35 var o = { length: Number.MAX_VALUE }; 36 assertThrows(() => Array.prototype.push.call(o, 1), TypeError); 37 38 // ArrayPop 39 40 var o = { length: 0 }; 41 Array.prototype.pop.call(o); 42 assertEquals(0, o.length); 43 44 var o = { length: Number.MIN_VALUE }; 45 Array.prototype.pop.call(o); 46 assertEquals(0, o.length); 47 48 var o = { length: Number.MAX_VALUE }; 49 Array.prototype.pop.call(o); 50 assertEquals(o.length, Number.MAX_SAFE_INTEGER - 1); 51 52 // ArrayReverse 53 54 var o = { 0: 'foo', length: Number.MIN_VALUE } 55 var result = Array.prototype.reverse.call(o); 56 assertEquals('object', typeof(result)); 57 assertEquals(Number.MIN_VALUE, result.length); 58 assertEquals(Number.MIN_VALUE, o.length); 59 60 // ArrayShift 61 62 var o = { 0: "foo", length: Number.MIN_VALUE } 63 var result = Array.prototype.shift.call(o); 64 assertEquals(undefined, result); 65 assertEquals(0, o.length); 66 67 // ArrayUnshift 68 69 var o = { length: 0 }; 70 Array.prototype.unshift.call(o); 71 assertEquals(0, o.length); 72 73 var o = { length: 0 }; 74 Array.prototype.unshift.call(o, 'foo'); 75 assertEquals('foo', o[0]); 76 assertEquals(1, o.length); 77 78 var o = { length: Number.MIN_VALUE }; 79 Array.prototype.unshift.call(o); 80 assertEquals(0, o.length); 81 82 var o = { length: Number.MIN_VALUE }; 83 Array.prototype.unshift.call(o, 'foo'); 84 assertEquals('foo', o[0]); 85 assertEquals(1, o.length); 86 87 // ArraySplice 88 89 var o = { length: Number.MIN_VALUE }; 90 Array.prototype.splice.call(o); 91 assertEquals(0, o.length); 92 93 var o = { length: Number.MIN_VALUE }; 94 Array.prototype.splice.call(o, 0, 10, ['foo']); 95 assertEquals(['foo'], o[0]); 96 assertEquals(1, o.length); 97 98 var o = { length: Number.MIN_VALUE }; 99 Array.prototype.splice.call(o, -1); 100 assertEquals(0, o.length); 101 102 var o = { length: Number.MAX_SAFE_INTEGER }; 103 Array.prototype.splice.call(o, -1); 104 assertEquals(Number.MAX_SAFE_INTEGER - 1, o.length); 105 106 // ArraySlice 107 108 var o = { length: Number.MIN_VALUE }; 109 var result = Array.prototype.slice.call(o); 110 assertEquals(0, result.length); 111 112 var o = { length: Number.MIN_VALUE }; 113 var result = Array.prototype.slice.call(o, Number.MAX_VALUE); 114 assertEquals(0, result.length); 115 116 var o = { length: Number.MAX_VALUE }; 117 var result = Array.prototype.slice.call(o, Number.MAX_VALUE - 1); 118 assertEquals(0, result.length); 119 120 // ArrayIndexOf 121 122 var o = { length: Number.MIN_VALUE }; 123 var result = Array.prototype.indexOf.call(o); 124 assertEquals(-1, result); 125 126 var o = { length: Number.MAX_SAFE_INTEGER } 127 o[Number.MAX_SAFE_INTEGER - 1] = "foo" 128 var result = Array.prototype.indexOf.call(o, 129 "foo", Number.MAX_SAFE_INTEGER - 2); 130 assertEquals(Number.MAX_SAFE_INTEGER - 1, result); 131 132 var o = { length: Number.MAX_SAFE_INTEGER }; 133 o[Number.MAX_SAFE_INTEGER - 1] = "foo"; 134 var result = Array.prototype.indexOf.call(o, "foo", -1); 135 assertEquals(Number.MAX_SAFE_INTEGER - 1, result); 136 137 // ArrayLastIndexOf 138 139 var o = { length: Number.MIN_VALUE }; 140 var result = Array.prototype.lastIndexOf.call(o); 141 assertEquals(-1, result); 142 143 var o = { length: Number.MAX_SAFE_INTEGER } 144 o[Number.MAX_SAFE_INTEGER - 1] = "foo" 145 var result = Array.prototype.lastIndexOf.call(o, 146 "foo", Number.MAX_SAFE_INTEGER); 147 assertEquals(Number.MAX_SAFE_INTEGER - 1, result); 148 149 var o = { length: Number.MAX_SAFE_INTEGER }; 150 o[Number.MAX_SAFE_INTEGER - 1] = "foo"; 151 var result = Array.prototype.lastIndexOf.call(o, "foo", -1); 152 assertEquals(Number.MAX_SAFE_INTEGER - 1, result); 153 154 // ArrayFilter 155 156 var func = function(v) { return v; } 157 158 var o = { length: Number.MIN_VALUE }; 159 Array.prototype.filter.call(o, func); 160 assertEquals(Number.MIN_VALUE, o.length); 161 162 // ArrayForEach 163 164 var o = { length: Number.MIN_VALUE }; 165 Array.prototype.forEach.call(o, func); 166 assertEquals(Number.MIN_VALUE, o.length); 167 168 // ArraySome 169 170 var o = { length: Number.MIN_VALUE }; 171 Array.prototype.some.call(o, func); 172 assertEquals(Number.MIN_VALUE, o.length); 173 174 // ArrayEvery 175 176 var o = { length: Number.MIN_VALUE }; 177 Array.prototype.every.call(o, func); 178 assertEquals(Number.MIN_VALUE, o.length); 179 180 // ArrayMap 181 182 var o = { length: Number.MIN_VALUE }; 183 Array.prototype.map.call(o, func); 184 assertEquals(Number.MIN_VALUE, o.length); 185 186 // ArrayReduce 187 188 var o = { length: Number.MIN_VALUE }; 189 Array.prototype.reduce.call(o, func, 0); 190 assertEquals(Number.MIN_VALUE, o.length); 191 192 // ArrayReduceRight 193 194 var o = { length: Number.MIN_VALUE }; 195 Array.prototype.reduceRight.call(o, func, 0); 196 assertEquals(Number.MIN_VALUE, o.length); 197 198 // ArrayFill 199 200 var o = { length: Number.MIN_VALUE }; 201 Array.prototype.fill(o, 0); 202 assertEquals(Number.MIN_VALUE, o.length); 203
