| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| es6id: 23.2.3.1 |
| description: > |
| Set.prototype.add ( value ) |
| |
| ... |
| 4. Let entries be the List that is the value of S’s [[SetData]] internal slot. |
| 5. Repeat for each e that is an element of entries, |
| a. If e is not empty and SameValueZero(e, value) is true, then |
| i. Return S. |
| 6. If value is −0, let value be +0. |
| 7. Append value as the last element of entries. |
| ... |
| |
| ---*/ |
| |
| var s = new Set(); |
| |
| assert.sameValue(s.size, 0, "The value of `s.size` is `0`"); |
| |
| s.add(1); |
| s.add(1); |
| |
| assert.sameValue(s.size, 1, "The value of `s.size` is `1`, after executing `s.add(1); s.add(1);`"); |
