js/src/tests/test262/built-ins/Array/prototype/copyWithin/return-this.js


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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-array.prototype.copywithin
description: >
  Returns `this`.
info: |
  22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )

  18. Return O.
---*/

var arr = [];
var result = arr.copyWithin(0, 0);

assert.sameValue(result, arr);

var o = {
  length: 0
};
result = Array.prototype.copyWithin.call(o, 0, 0);
assert.sameValue(result, o);

reportCompare(0, 0);