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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: >
If `end` is undefined, set final position to `this.length`.
info: |
22.1.3.3 Array.prototype.copyWithin (target, start [ , end ] )
...
11. If end is undefined, let relativeEnd be len; else let relativeEnd be
ToInteger(end).
...
includes: [compareArray.js]
---*/
assert.compareArray(
[0, 1, 2, 3].copyWithin(0, 1, undefined), [1, 2, 3, 3],
'[0, 1, 2, 3].copyWithin(0, 1, undefined) must return [1, 2, 3, 3]'
);
assert.compareArray(
[0, 1, 2, 3].copyWithin(0, 1), [1, 2, 3, 3],
'[0, 1, 2, 3].copyWithin(0, 1) must return [1, 2, 3, 3]'
);
reportCompare(0, 0);
|