v8/test/mjsunit/es7/array-includes-to-object-strict.js
adamk a229c9b94f Remove --harmony-array-includes flag
Array.prototype.includes shipped in Chrome 47.

Review URL: https://codereview.chromium.org/1513843006

Cr-Commit-Position: refs/heads/master@{#32818}
2015-12-12 01:04:10 +00:00

31 lines
982 B
JavaScript

// Copyright 2014 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Ported from
// https://github.com/tc39/Array.prototype.includes/blob/master/test/number-this.js
// using https://www.npmjs.org/package/test262-to-mjsunit
// Array.prototype.includes should use ToObject on this, so that when called
// with a number, it picks up numeric properties from Number.prototype (even in
// strict mode)
(function() {
"use strict";
Number.prototype[0] = "a";
Number.prototype[1] = "b";
Object.defineProperty(Number.prototype, 2, {
get: function() {
assertEquals("object", typeof this);
return "c";
}
});
Number.prototype.length = 3;
assertTrue(Array.prototype.includes.call(5, "a"));
assertTrue(Array.prototype.includes.call(5, "b"));
assertTrue(Array.prototype.includes.call(5, "c"));
assertFalse(Array.prototype.includes.call(5, "d"));
})();