Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 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 | var typedArrayConstructors = [ |
| 6 | Uint8Array, |
| 7 | Int8Array, |
| 8 | Uint16Array, |
| 9 | Int16Array, |
| 10 | Uint32Array, |
| 11 | Int32Array, |
| 12 | Uint8ClampedArray, |
| 13 | Float32Array, |
| 14 | Float64Array |
| 15 | ]; |
| 16 | |
| 17 | var descriptor = { get: function() { throw new Error("accessed length"); } }; |
| 18 | |
| 19 | for (var constructor of typedArrayConstructors) { |
| 20 | var differentConstructor = |
| 21 | constructor === Uint8Array ? Int8Array : Uint8Array; |
| 22 | var target = new constructor(16); |
| 23 | Object.defineProperty(target, "length", descriptor); |
| 24 | |
| 25 | var sameBuffer = new differentConstructor(target.buffer, 0, 2); |
| 26 | Object.defineProperty(sameBuffer, "length", descriptor); |
| 27 | target.set(sameBuffer); |
| 28 | |
| 29 | var differentBuffer = new differentConstructor(16); |
| 30 | Object.defineProperty(differentBuffer, "length", descriptor); |
| 31 | target.set(differentBuffer); |
| 32 | |
| 33 | var array = [0, 1, 2]; |
| 34 | target.set(array); |
| 35 | } |