// 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 (function() { 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")); })();