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 } 36
