| // Copyright (C) 2015 the V8 project authors. All rights reserved. | |
| // This code is governed by the BSD license found in the LICENSE file. | |
| /*--- | |
| es6id: 26.1.4 | |
| description: > | |
| Delete a symbol property. | |
| info: > | |
| 26.1.4 Reflect.deleteProperty ( target, propertyKey ) | |
| ... | |
| 2. Let key be ToPropertyKey(propertyKey). | |
| ... | |
| 7.1.14 ToPropertyKey ( argument ) | |
| ... | |
| 3. If Type(key) is Symbol, then | |
| a. Return key. | |
| ... | |
| features: [Symbol] | |
| ---*/ | |
| var s = Symbol('1'); | |
| var o = {}; | |
| o[s] = 42; | |
| Reflect.deleteProperty(o, s); | |
| assert.sameValue(o.hasOwnProperty(s), false); | |
| assert.sameValue(o[s], undefined); |