| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // First test case |
| |
| function FirstBuffer () {} |
| FirstBuffer.prototype.__proto__ = Uint8Array.prototype |
| FirstBuffer.__proto__ = Uint8Array |
| |
| var buf = new Uint8Array(10) |
| buf.__proto__ = FirstBuffer.prototype |
| |
| var buf2 = buf.subarray(2) |
| assertEquals(8, buf2.length); |
| |
| // Second test case |
| |
| function SecondBuffer (arg) { |
| var arr = new Uint8Array(arg) |
| arr.__proto__ = SecondBuffer.prototype |
| return arr |
| } |
| SecondBuffer.prototype.__proto__ = Uint8Array.prototype |
| SecondBuffer.__proto__ = Uint8Array |
| |
| var buf3 = new SecondBuffer(10) |
| |
| var buf4 = buf3.subarray(2) |
| |
| assertEquals(8, buf4.length); |