| // Copyright 2016 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. |
| // |
| // Flags: --harmony-array-prototype-values |
| |
| // Functionality of the values iterator is tested elsewhere; this test |
| // merely verifies that the 'values' property is set up correctly. |
| var valuesDesc = Object.getOwnPropertyDescriptor(Array.prototype, 'values'); |
| assertEquals('object', typeof valuesDesc); |
| assertSame(Array.prototype[Symbol.iterator], valuesDesc.value); |
| assertTrue(valuesDesc.configurable); |
| assertTrue(valuesDesc.writable); |
| assertFalse(valuesDesc.enumerable); |
| assertTrue(Array.prototype[Symbol.unscopables].values); |
| assertThrows(() => new Array.prototype[Symbol.iterator], TypeError); |