OLD | NEW |
| (Empty) |
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 // Flags: --harmony-array-includes | |
6 | |
7 // Ported from | |
8 // https://github.com/tc39/Array.prototype.includes/blob/master/test/number-this
.js | |
9 // using https://www.npmjs.org/package/test262-to-mjsunit | |
10 | |
11 // Array.prototype.includes should use ToObject on this, so that when called | |
12 // with a number, it picks up numeric properties from Number.prototype (even in | |
13 // strict mode) | |
14 (function() { | |
15 "use strict"; | |
16 | |
17 Number.prototype[0] = "a"; | |
18 Number.prototype[1] = "b"; | |
19 | |
20 Object.defineProperty(Number.prototype, 2, { | |
21 get: function() { | |
22 assertEquals("object", typeof this); | |
23 return "c"; | |
24 } | |
25 }); | |
26 | |
27 Number.prototype.length = 3; | |
28 assertTrue(Array.prototype.includes.call(5, "a")); | |
29 assertTrue(Array.prototype.includes.call(5, "b")); | |
30 assertTrue(Array.prototype.includes.call(5, "c")); | |
31 assertFalse(Array.prototype.includes.call(5, "d")); | |
32 })(); | |
OLD | NEW |