OLD | NEW |
(Empty) | |
| 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 // Flags: --harmony-iteration --allow-natives-syntax |
| 29 |
| 30 function TestArrayPrototype() { |
| 31 assertTrue(Array.prototype.hasOwnProperty('entries')); |
| 32 assertTrue(Array.prototype.hasOwnProperty('values')); |
| 33 assertTrue(Array.prototype.hasOwnProperty('keys')); |
| 34 |
| 35 assertFalse(Array.prototype.propertyIsEnumerable('entries')); |
| 36 assertFalse(Array.prototype.propertyIsEnumerable('values')); |
| 37 assertFalse(Array.prototype.propertyIsEnumerable('keys')); |
| 38 } |
| 39 TestArrayPrototype(); |
| 40 |
| 41 function assertIteratorResult(value, done, result) { |
| 42 assertEquals({ value: value, done: done}, result); |
| 43 } |
| 44 |
| 45 function TestValues() { |
| 46 var array = ['a', 'b', 'c']; |
| 47 var iterator = array.values(); |
| 48 assertIteratorResult('a', false, iterator.next()); |
| 49 assertIteratorResult('b', false, iterator.next()); |
| 50 assertIteratorResult('c', false, iterator.next()); |
| 51 assertIteratorResult(void 0, true, iterator.next()); |
| 52 |
| 53 array.push('d'); |
| 54 assertIteratorResult(void 0, true, iterator.next()); |
| 55 } |
| 56 TestValues(); |
| 57 |
| 58 function TestValuesMutate() { |
| 59 var array = ['a', 'b', 'c']; |
| 60 var iterator = array.values(); |
| 61 assertIteratorResult('a', false, iterator.next()); |
| 62 assertIteratorResult('b', false, iterator.next()); |
| 63 assertIteratorResult('c', false, iterator.next()); |
| 64 array.push('d'); |
| 65 assertIteratorResult('d', false, iterator.next()); |
| 66 assertIteratorResult(void 0, true, iterator.next()); |
| 67 } |
| 68 TestValuesMutate(); |
| 69 |
| 70 function TestKeys() { |
| 71 var array = ['a', 'b', 'c']; |
| 72 var iterator = array.keys(); |
| 73 assertIteratorResult('0', false, iterator.next()); |
| 74 assertIteratorResult('1', false, iterator.next()); |
| 75 assertIteratorResult('2', false, iterator.next()); |
| 76 assertIteratorResult(void 0, true, iterator.next()); |
| 77 |
| 78 array.push('d'); |
| 79 assertIteratorResult(void 0, true, iterator.next()); |
| 80 } |
| 81 TestKeys(); |
| 82 |
| 83 function TestKeysMutate() { |
| 84 var array = ['a', 'b', 'c']; |
| 85 var iterator = array.keys(); |
| 86 assertIteratorResult('0', false, iterator.next()); |
| 87 assertIteratorResult('1', false, iterator.next()); |
| 88 assertIteratorResult('2', false, iterator.next()); |
| 89 array.push('d'); |
| 90 assertIteratorResult('3', false, iterator.next()); |
| 91 assertIteratorResult(void 0, true, iterator.next()); |
| 92 } |
| 93 TestKeysMutate(); |
| 94 |
| 95 function TestEntries() { |
| 96 var array = ['a', 'b', 'c']; |
| 97 var iterator = array.entries(); |
| 98 assertIteratorResult(['0', 'a'], false, iterator.next()); |
| 99 assertIteratorResult(['1', 'b'], false, iterator.next()); |
| 100 assertIteratorResult(['2', 'c'], false, iterator.next()); |
| 101 assertIteratorResult(void 0, true, iterator.next()); |
| 102 |
| 103 array.push('d'); |
| 104 assertIteratorResult(void 0, true, iterator.next()); |
| 105 } |
| 106 TestEntries(); |
| 107 |
| 108 function TestEntriesMutate() { |
| 109 var array = ['a', 'b', 'c']; |
| 110 var iterator = array.entries(); |
| 111 assertIteratorResult(['0', 'a'], false, iterator.next()); |
| 112 assertIteratorResult(['1', 'b'], false, iterator.next()); |
| 113 assertIteratorResult(['2', 'c'], false, iterator.next()); |
| 114 array.push('d'); |
| 115 assertIteratorResult(['3', 'd'], false, iterator.next()); |
| 116 assertIteratorResult(void 0, true, iterator.next()); |
| 117 } |
| 118 TestEntriesMutate(); |
| 119 |
| 120 function TestArrayIteratorPrototype() { |
| 121 var array = []; |
| 122 var iterator = array.values(); |
| 123 |
| 124 var ArrayIterator = iterator.constructor; |
| 125 assertEquals(ArrayIterator.prototype, array.values().__proto__); |
| 126 assertEquals(ArrayIterator.prototype, array.keys().__proto__); |
| 127 assertEquals(ArrayIterator.prototype, array.entries().__proto__); |
| 128 |
| 129 assertEquals(Object.prototype, ArrayIterator.prototype.__proto__); |
| 130 |
| 131 assertEquals('Array Iterator', %_ClassOf(array.values())); |
| 132 assertEquals('Array Iterator', %_ClassOf(array.keys())); |
| 133 assertEquals('Array Iterator', %_ClassOf(array.entries())); |
| 134 |
| 135 var prototypeDescriptor = |
| 136 Object.getOwnPropertyDescriptor(ArrayIterator, 'prototype'); |
| 137 assertFalse(prototypeDescriptor.configurable); |
| 138 assertFalse(prototypeDescriptor.enumerable); |
| 139 assertFalse(prototypeDescriptor.writable); |
| 140 } |
| 141 TestArrayIteratorPrototype(); |
| 142 |
| 143 function TestForArrayValues() { |
| 144 var buffer = []; |
| 145 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
| 146 var i = 0; |
| 147 for (var value of array.values()) { |
| 148 buffer[i++] = value; |
| 149 } |
| 150 |
| 151 assertEquals(8, buffer.length); |
| 152 |
| 153 for (var i = 0; i < buffer.length - 1; i++) { |
| 154 assertEquals(array[i], buffer[i]); |
| 155 } |
| 156 assertTrue(isNaN(buffer[buffer.length - 1])); |
| 157 } |
| 158 TestForArrayValues(); |
| 159 |
| 160 function TestForArrayKeys() { |
| 161 var buffer = []; |
| 162 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
| 163 var i = 0; |
| 164 for (var key of array.keys()) { |
| 165 buffer[i++] = key; |
| 166 } |
| 167 |
| 168 assertEquals(8, buffer.length); |
| 169 |
| 170 for (var i = 0; i < buffer.length; i++) { |
| 171 assertEquals(String(i), buffer[i]); |
| 172 } |
| 173 } |
| 174 TestForArrayKeys(); |
| 175 |
| 176 function TestForArrayEntries() { |
| 177 var buffer = []; |
| 178 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
| 179 var i = 0; |
| 180 for (var entry of array.entries()) { |
| 181 buffer[i++] = entry; |
| 182 } |
| 183 |
| 184 assertEquals(8, buffer.length); |
| 185 |
| 186 for (var i = 0; i < buffer.length - 1; i++) { |
| 187 assertEquals(array[i], buffer[i][1]); |
| 188 } |
| 189 assertTrue(isNaN(buffer[buffer.length - 1][1])); |
| 190 |
| 191 for (var i = 0; i < buffer.length; i++) { |
| 192 assertEquals(String(i), buffer[i][0]); |
| 193 } |
| 194 } |
| 195 TestForArrayEntries(); |
OLD | NEW |