| // Copyright (C) 2013 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 12.5.12.1 |
| description: > |
| "Logical Not" coercion operation on Symbols |
| features: [Symbol] |
| ---*/ |
| var sym = Symbol(); |
| |
| assert.sameValue(!sym, false, "`!sym` is `false`"); |
| assert.sameValue(!!sym, true, "`!!sym` is `true`"); |
| |
| if (!sym) { |
| $ERROR("ToBoolean(Symbol) always returns `true`"); |
| } else if (sym) { |
| assert(true, "`sym` evaluates to `true`"); |
| } else { |
| $ERROR("ToBoolean(Symbol) always returns `true`"); |
| } |