| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 23.1.3.1 |
| description: > |
| Returns undefined. |
| info: | |
| Map.prototype.clear ( ) |
| |
| ... |
| 4. Let entries be the List that is the value of M’s [[MapData]] internal slot. |
| 5. Repeat for each Record {[[key]], [[value]]} p that is an element of |
| entries, |
| a. Set p.[[key]] to empty. |
| b. Set p.[[value]] to empty. |
| 6. Return undefined. |
| ---*/ |
| |
| var m1 = new Map([ |
| ['foo', 'bar'], |
| [1, 1] |
| ]); |
| |
| assert.sameValue(m1.clear(), undefined, 'clears a map and returns undefined'); |
| assert.sameValue(m1.clear(), undefined, 'returns undefined on an empty map'); |
