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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 // Flags: --allow-natives-syntax | 28 // Flags: --allow-natives-syntax --harmony-tostring |
29 | 29 |
30 | 30 |
31 var NONE = 0; | 31 var NONE = 0; |
32 var READ_ONLY = 1; | 32 var READ_ONLY = 1; |
33 var DONT_ENUM = 2; | 33 var DONT_ENUM = 2; |
34 var DONT_DELETE = 4; | 34 var DONT_DELETE = 4; |
35 | 35 |
36 | 36 |
37 function assertHasOwnProperty(object, name, attrs) { | 37 function assertHasOwnProperty(object, name, attrs) { |
38 assertTrue(object.hasOwnProperty(name)); | 38 assertTrue(object.hasOwnProperty(name)); |
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151 | 151 |
152 assertEquals('Array Iterator', %_ClassOf(array[Symbol.iterator]())); | 152 assertEquals('Array Iterator', %_ClassOf(array[Symbol.iterator]())); |
153 assertEquals('Array Iterator', %_ClassOf(array.keys())); | 153 assertEquals('Array Iterator', %_ClassOf(array.keys())); |
154 assertEquals('Array Iterator', %_ClassOf(array.entries())); | 154 assertEquals('Array Iterator', %_ClassOf(array.entries())); |
155 | 155 |
156 assertFalse(ArrayIteratorPrototype.hasOwnProperty('constructor')); | 156 assertFalse(ArrayIteratorPrototype.hasOwnProperty('constructor')); |
157 assertArrayEquals(['next'], | 157 assertArrayEquals(['next'], |
158 Object.getOwnPropertyNames(ArrayIteratorPrototype)); | 158 Object.getOwnPropertyNames(ArrayIteratorPrototype)); |
159 assertHasOwnProperty(ArrayIteratorPrototype, 'next', DONT_ENUM); | 159 assertHasOwnProperty(ArrayIteratorPrototype, 'next', DONT_ENUM); |
160 assertHasOwnProperty(ArrayIteratorPrototype, Symbol.iterator, DONT_ENUM); | 160 assertHasOwnProperty(ArrayIteratorPrototype, Symbol.iterator, DONT_ENUM); |
| 161 |
| 162 assertEquals("[object Array Iterator]", |
| 163 Object.prototype.toString.call(iterator)); |
| 164 assertEquals("Array Iterator", ArrayIteratorPrototype[Symbol.toStringTag]); |
| 165 var desc = Object.getOwnPropertyDescriptor( |
| 166 ArrayIteratorPrototype, Symbol.toStringTag); |
| 167 assertTrue(desc.configurable); |
| 168 assertFalse(desc.writable); |
| 169 assertEquals("Array Iterator", desc.value); |
161 } | 170 } |
162 TestArrayIteratorPrototype(); | 171 TestArrayIteratorPrototype(); |
163 | 172 |
164 | 173 |
165 function TestForArrayValues() { | 174 function TestForArrayValues() { |
166 var buffer = []; | 175 var buffer = []; |
167 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; | 176 var array = [0, 'a', true, false, null, /* hole */, undefined, NaN]; |
168 var i = 0; | 177 var i = 0; |
169 for (var value of array[Symbol.iterator]()) { | 178 for (var value of array[Symbol.iterator]()) { |
170 buffer[i++] = value; | 179 buffer[i++] = value; |
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237 function TestNonOwnSlots() { | 246 function TestNonOwnSlots() { |
238 var array = [0]; | 247 var array = [0]; |
239 var iterator = array[Symbol.iterator](); | 248 var iterator = array[Symbol.iterator](); |
240 var object = {__proto__: iterator}; | 249 var object = {__proto__: iterator}; |
241 | 250 |
242 assertThrows(function() { | 251 assertThrows(function() { |
243 object.next(); | 252 object.next(); |
244 }, TypeError); | 253 }, TypeError); |
245 } | 254 } |
246 TestNonOwnSlots(); | 255 TestNonOwnSlots(); |
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