| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 23.1.3.10 |
| description: > |
| Returns count of present values before and after using `set` and `clear`. |
| info: | |
| get Map.prototype.size |
| |
| 5. Let count be 0. |
| 6. For each Record {[[key]], [[value]]} p that is an element of entries |
| a. If p.[[key]] is not empty, set count to count+1. |
| ---*/ |
| |
| var map = new Map(); |
| |
| assert.sameValue(map.size, 0, 'The value of `map.size` is `0`'); |
| |
| map.set(1, 1); |
| map.set(2, 2); |
| assert.sameValue( |
| map.size, 2, |
| 'The value of `map.size` is `2`' |
| ); |
| |
| map.clear(); |
| assert.sameValue( |
| map.size, 0, |
| 'The value of `map.size` is `0`, after executing `map.clear()`' |
| ); |