Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2014 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | // Ported from |
| 6 | // https://github.com/tc39/Array.prototype.includes/blob/master/test/number-this.js |
| 7 | // using https://www.npmjs.org/package/test262-to-mjsunit |
| 8 | |
| 9 | // Array.prototype.includes should use ToObject on this, so that when called |
| 10 | // with a number, it picks up numeric properties from Number.prototype |
| 11 | (function() { |
| 12 | Number.prototype[0] = "a"; |
| 13 | Number.prototype[1] = "b"; |
| 14 | |
| 15 | Object.defineProperty(Number.prototype, 2, { |
| 16 | get: function() { |
| 17 | assertEquals("object", typeof this); |
| 18 | return "c"; |
| 19 | } |
| 20 | }); |
| 21 | |
| 22 | Number.prototype.length = 3; |
| 23 | assertTrue(Array.prototype.includes.call(5, "a")); |
| 24 | assertTrue(Array.prototype.includes.call(5, "b")); |
| 25 | assertTrue(Array.prototype.includes.call(5, "c")); |
| 26 | assertFalse(Array.prototype.includes.call(5, "d")); |
| 27 | })(); |