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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 // Flags: --harmony-tostring | 5 // Flags: --harmony-tostring |
| 6 | 6 |
| 7 'use strict'; | 7 'use strict'; |
| 8 | 8 |
| 9 function getPropertyDescriptor(object, field, expectedDepth) { | 9 function assertGetterName(expected, object, name) { |
| 10 for (var depth = 0; depth < expectedDepth; depth++) { | 10 var descr = Object.getOwnPropertyDescriptor(object, name); |
| 11 assertFalse(Object.hasOwnProperty(object, field)); | |
| 12 object = object.__proto__; | |
| 13 } | |
| 14 return Object.getOwnPropertyDescriptor(object, field); | |
| 15 } | |
| 16 | |
| 17 function assertGetterName(expected, object, name, expectedDepth) { | |
| 18 var descr = getPropertyDescriptor(object, name, expectedDepth); | |
| 19 assertSame(expected, descr.get.name); | 11 assertSame(expected, descr.get.name); |
| 20 } | 12 } |
| 21 | 13 |
| 22 | 14 |
| 23 function assertSetterName(expected, object, name, indirect) { | 15 function assertSetterName(expected, object, name) { |
| 24 var descr = getPropertyDescriptor(object, name); | 16 var descr = Object.getOwnPropertyDescriptor(object, name); |
| 25 assertSame(expected, descr.set.name); | 17 assertSame(expected, descr.set.name); |
| 26 } | 18 } |
| 27 | 19 |
| 28 | 20 |
| 29 assertGetterName('get byteLength', ArrayBuffer.prototype, 'byteLength'); | 21 assertGetterName('get byteLength', ArrayBuffer.prototype, 'byteLength'); |
| 30 assertGetterName('get size', Set.prototype, 'size'); | 22 assertGetterName('get size', Set.prototype, 'size'); |
| 31 assertGetterName('get size', Map.prototype, 'size'); | 23 assertGetterName('get size', Map.prototype, 'size'); |
| 32 | 24 |
| 33 | 25 |
| 34 let typedArrays = [ | 26 let typedArrays = [ |
| 35 Uint8Array, | 27 Uint8Array, |
| 36 Int8Array, | 28 Int8Array, |
| 37 Uint16Array, | 29 Uint16Array, |
| 38 Int16Array, | 30 Int16Array, |
| 39 Uint32Array, | 31 Uint32Array, |
| 40 Int32Array, | 32 Int32Array, |
| 41 Float32Array, | 33 Float32Array, |
| 42 Float64Array, | 34 Float64Array, |
| 43 Uint8ClampedArray | 35 Uint8ClampedArray |
| 44 ]; | 36 ]; |
| 45 | 37 |
| 46 for (let f of typedArrays) { | 38 for (let f of typedArrays) { |
| 47 assertGetterName('get buffer', f.prototype, 'buffer', 1); | 39 assertGetterName('get buffer', f.prototype, 'buffer'); |
| 48 assertGetterName('get byteOffset', f.prototype, 'byteOffset', 1); | 40 assertGetterName('get byteOffset', f.prototype, 'byteOffset'); |
| 49 assertGetterName('get byteLength', f.prototype, 'byteLength', 1); | 41 assertGetterName('get byteLength', f.prototype, 'byteLength'); |
| 50 assertGetterName('get length', f.prototype, 'length', 1); | 42 assertGetterName('get length', f.prototype, 'length'); |
| 51 assertGetterName('get [Symbol.toStringTag]', f.prototype, Symbol.toStringTag,
1); | 43 assertGetterName('get [Symbol.toStringTag]', f.prototype, Symbol.toStringTag); |
| 52 } | 44 } |
| 53 | 45 |
| 54 | 46 |
| 55 assertGetterName('get buffer', DataView.prototype, 'buffer'); | 47 assertGetterName('get buffer', DataView.prototype, 'buffer'); |
| 56 assertGetterName('get byteOffset', DataView.prototype, 'byteOffset'); | 48 assertGetterName('get byteOffset', DataView.prototype, 'byteOffset'); |
| 57 assertGetterName('get byteLength', DataView.prototype, 'byteLength'); | 49 assertGetterName('get byteLength', DataView.prototype, 'byteLength'); |
| 58 | 50 |
| 59 | 51 |
| 60 assertGetterName('get __proto__', Object.prototype, '__proto__'); | 52 assertGetterName('get __proto__', Object.prototype, '__proto__'); |
| 61 assertSetterName('set __proto__', Object.prototype, '__proto__'); | 53 assertSetterName('set __proto__', Object.prototype, '__proto__'); |
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