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dad73f645c
PR-URL: https://github.com/iojs/io.js/pull/243 Reviewed-By: Fedor Indutny <fedor@indutny.com> Reviewed-By: Trevor Norris <trev.norris@gmail.com>
33 lines
1018 B
JavaScript
33 lines
1018 B
JavaScript
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-array-includes
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// Ported from
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// https://github.com/tc39/Array.prototype.includes/blob/master/test/number-this.js
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// using https://www.npmjs.org/package/test262-to-mjsunit
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// Array.prototype.includes should use ToObject on this, so that when called
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// with a number, it picks up numeric properties from Number.prototype (even in
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// strict mode)
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(function() {
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"use strict";
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Number.prototype[0] = "a";
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Number.prototype[1] = "b";
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Object.defineProperty(Number.prototype, 2, {
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get: function() {
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assertEquals("object", typeof this);
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return "c";
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}
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});
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Number.prototype.length = 3;
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assertTrue(Array.prototype.includes.call(5, "a"));
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assertTrue(Array.prototype.includes.call(5, "b"));
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assertTrue(Array.prototype.includes.call(5, "c"));
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assertFalse(Array.prototype.includes.call(5, "d"));
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})();
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