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| 1 // Copyright 2014 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-collections --allow-natives-syntax | |
| 6 | |
| 7 | |
| 8 (function TestSetIterator() { | |
| 9 var s = new Set; | |
| 10 var iter = s.values(); | |
| 11 assertEquals('Set Iterator', %_ClassOf(iter)); | |
| 12 | |
| 13 var SetIteratorPrototype = iter.__proto__; | |
| 14 assertFalse(SetIteratorPrototype.hasOwnProperty('constructor')); | |
| 15 assertEquals(SetIteratorPrototype.__proto__, Object.prototype); | |
| 16 | |
| 17 var propertyNames = Object.getOwnPropertyNames(SetIteratorPrototype); | |
| 18 assertArrayEquals(['next'], propertyNames); | |
| 19 | |
| 20 assertEquals(new Set().values().__proto__, SetIteratorPrototype); | |
| 21 assertEquals(new Set().entries().__proto__, SetIteratorPrototype); | |
| 22 })(); | |
| 23 | |
| 24 | |
| 25 (function TestSetIteratorValues() { | |
| 26 var s = new Set; | |
| 27 s.add(1); | |
| 28 s.add(2); | |
| 29 s.add(3); | |
| 30 var iter = s.values(); | |
| 31 | |
| 32 assertEquals({value: 1, done: false}, iter.next()); | |
| 33 assertEquals({value: 2, done: false}, iter.next()); | |
| 34 assertEquals({value: 3, done: false}, iter.next()); | |
| 35 assertEquals({value: undefined, done: true}, iter.next()); | |
| 36 assertEquals({value: undefined, done: true}, iter.next()); | |
| 37 })(); | |
| 38 | |
| 39 | |
| 40 (function TestSetIteratorKeys() { | |
| 41 assertEquals(Set.prototype.keys, Set.prototype.values); | |
| 42 })(); | |
| 43 | |
| 44 | |
| 45 (function TestSetIteratorEntries() { | |
| 46 var s = new Set; | |
| 47 s.add(1); | |
| 48 s.add(2); | |
| 49 s.add(3); | |
| 50 var iter = s.entries(); | |
| 51 | |
| 52 assertEquals({value: [1, 1], done: false}, iter.next()); | |
| 53 assertEquals({value: [2, 2], done: false}, iter.next()); | |
| 54 assertEquals({value: [3, 3], done: false}, iter.next()); | |
| 55 assertEquals({value: undefined, done: true}, iter.next()); | |
| 56 assertEquals({value: undefined, done: true}, iter.next()); | |
| 57 })(); | |
| 58 | |
| 59 | |
| 60 (function TestSetIteratorMutations() { | |
| 61 var s = new Set; | |
| 62 s.add(1); | |
| 63 var iter = s.values(); | |
| 64 assertEquals({value: 1, done: false}, iter.next()); | |
| 65 s.add(2); | |
| 66 s.add(3); | |
| 67 s.add(4); | |
| 68 s.add(5); | |
| 69 assertEquals({value: 2, done: false}, iter.next()); | |
| 70 s.delete(3); | |
| 71 assertEquals({value: 4, done: false}, iter.next()); | |
| 72 s.delete(5); | |
| 73 assertEquals({value: undefined, done: true}, iter.next()); | |
| 74 s.add(4); | |
| 75 assertEquals({value: undefined, done: true}, iter.next()); | |
| 76 })(); | |
| 77 | |
| 78 | |
| 79 (function TestSetInvalidReceiver() { | |
| 80 assertThrows(function() { | |
| 81 Set.prototype.values.call({}); | |
| 82 }, TypeError); | |
| 83 assertThrows(function() { | |
| 84 Set.prototype.entries.call({}); | |
| 85 }, TypeError); | |
| 86 })(); | |
| 87 | |
| 88 | |
| 89 (function TestSetIteratorInvalidReceiver() { | |
| 90 var iter = new Set().values(); | |
| 91 assertThrows(function() { | |
| 92 iter.next.call({}); | |
| 93 }); | |
| 94 })(); | |
| 95 | |
| 96 | |
| 97 (function TestSetIteratorSymbol() { | |
| 98 assertEquals(Set.prototype[Symbol.iterator], Set.prototype.values); | |
| 99 assertTrue(Set.prototype.hasOwnProperty(Symbol.iterator)); | |
| 100 assertFalse(Set.prototype.propertyIsEnumerable(Symbol.iterator)); | |
| 101 | |
| 102 var iter = new Set().values(); | |
| 103 assertEquals(iter, iter[Symbol.iterator]()); | |
| 104 assertEquals(iter[Symbol.iterator].name, '[Symbol.iterator]'); | |
| 105 })(); | |
| 106 | |
| 107 | |
| 108 (function TestMapIterator() { | |
| 109 var m = new Map; | |
| 110 var iter = m.values(); | |
| 111 assertEquals('Map Iterator', %_ClassOf(iter)); | |
| 112 | |
| 113 var MapIteratorPrototype = iter.__proto__; | |
| 114 assertFalse(MapIteratorPrototype.hasOwnProperty('constructor')); | |
| 115 assertEquals(MapIteratorPrototype.__proto__, Object.prototype); | |
| 116 | |
| 117 var propertyNames = Object.getOwnPropertyNames(MapIteratorPrototype); | |
| 118 assertArrayEquals(['next'], propertyNames); | |
| 119 | |
| 120 assertEquals(new Map().values().__proto__, MapIteratorPrototype); | |
| 121 assertEquals(new Map().keys().__proto__, MapIteratorPrototype); | |
| 122 assertEquals(new Map().entries().__proto__, MapIteratorPrototype); | |
| 123 })(); | |
| 124 | |
| 125 | |
| 126 (function TestMapIteratorValues() { | |
| 127 var m = new Map; | |
| 128 m.set(1, 11); | |
| 129 m.set(2, 22); | |
| 130 m.set(3, 33); | |
| 131 var iter = m.values(); | |
| 132 | |
| 133 assertEquals({value: 11, done: false}, iter.next()); | |
| 134 assertEquals({value: 22, done: false}, iter.next()); | |
| 135 assertEquals({value: 33, done: false}, iter.next()); | |
| 136 assertEquals({value: undefined, done: true}, iter.next()); | |
| 137 assertEquals({value: undefined, done: true}, iter.next()); | |
| 138 })(); | |
| 139 | |
| 140 | |
| 141 (function TestMapIteratorKeys() { | |
| 142 var m = new Map; | |
| 143 m.set(1, 11); | |
| 144 m.set(2, 22); | |
| 145 m.set(3, 33); | |
| 146 var iter = m.keys(); | |
| 147 | |
| 148 assertEquals({value: 1, done: false}, iter.next()); | |
| 149 assertEquals({value: 2, done: false}, iter.next()); | |
| 150 assertEquals({value: 3, done: false}, iter.next()); | |
| 151 assertEquals({value: undefined, done: true}, iter.next()); | |
| 152 assertEquals({value: undefined, done: true}, iter.next()); | |
| 153 })(); | |
| 154 | |
| 155 | |
| 156 (function TestMapIteratorEntries() { | |
| 157 var m = new Map; | |
| 158 m.set(1, 11); | |
| 159 m.set(2, 22); | |
| 160 m.set(3, 33); | |
| 161 var iter = m.entries(); | |
| 162 | |
| 163 assertEquals({value: [1, 11], done: false}, iter.next()); | |
| 164 assertEquals({value: [2, 22], done: false}, iter.next()); | |
| 165 assertEquals({value: [3, 33], done: false}, iter.next()); | |
| 166 assertEquals({value: undefined, done: true}, iter.next()); | |
| 167 assertEquals({value: undefined, done: true}, iter.next()); | |
| 168 })(); | |
| 169 | |
| 170 | |
| 171 (function TestMapInvalidReceiver() { | |
| 172 assertThrows(function() { | |
| 173 Map.prototype.values.call({}); | |
| 174 }, TypeError); | |
| 175 assertThrows(function() { | |
| 176 Map.prototype.keys.call({}); | |
| 177 }, TypeError); | |
| 178 assertThrows(function() { | |
| 179 Map.prototype.entries.call({}); | |
| 180 }, TypeError); | |
| 181 })(); | |
| 182 | |
| 183 | |
| 184 (function TestMapIteratorInvalidReceiver() { | |
| 185 var iter = new Map().values(); | |
| 186 assertThrows(function() { | |
| 187 iter.next.call({}); | |
| 188 }, TypeError); | |
| 189 })(); | |
| 190 | |
| 191 | |
| 192 (function TestMapIteratorSymbol() { | |
| 193 assertEquals(Map.prototype[Symbol.iterator], Map.prototype.entries); | |
| 194 assertTrue(Map.prototype.hasOwnProperty(Symbol.iterator)); | |
| 195 assertFalse(Map.prototype.propertyIsEnumerable(Symbol.iterator)); | |
| 196 | |
| 197 var iter = new Map().values(); | |
| 198 assertEquals(iter, iter[Symbol.iterator]()); | |
| 199 assertEquals(iter[Symbol.iterator].name, '[Symbol.iterator]'); | |
| 200 })(); | |
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