| // 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: [Reflect, 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); |