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// 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
assertThrows(() => buf.subarray(2), TypeError);
// Second test case
let seen_args = [];
function SecondBuffer (arg) {
seen_args.push(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)
assertEquals([10], seen_args);
var buf4 = buf3.subarray(2)
assertEquals(10, buf4.length);
assertEquals([10, buf3.buffer], seen_args);
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