| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 23.2.3.7 |
| description: > |
| Set.prototype.has ( value ) |
| |
| ... |
| 6. Return false. |
| |
| ---*/ |
| |
| var s = new Set(); |
| |
| s.add(undefined); |
| assert.sameValue(s.has(undefined), true, "`s.has(undefined)` returns `true`"); |
| |
| var result = s.delete(undefined); |
| |
| assert.sameValue(s.has(undefined), false, "`s.has(undefined)` returns `false`"); |
| assert.sameValue(result, true, "The result of `s.delete(undefined)` is `true`"); |
