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| 1 // Copyright 2017 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-async-iteration |
| 6 |
| 7 assertTrue(Symbol.hasOwnProperty('asyncIterator')); |
| 8 assertEquals('symbol', typeof Symbol.asyncIterator); |
| 9 assertInstanceof(Object(Symbol.asyncIterator), Symbol); |
| 10 |
| 11 let desc = Object.getOwnPropertyDescriptor(Symbol, 'asyncIterator'); |
| 12 assertFalse(desc.writable); |
| 13 assertFalse(desc.enumerable); |
| 14 assertFalse(desc.configurable); |
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