| // Copyright (C) 2015 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-set.prototype.delete |
| description: > |
| Set.prototype.delete ( 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 |
| b. Replace the element of entries whose value is e with an element whose value is empty. |
| c. Return true. |
| ... |
| |
| |
| ---*/ |
| |
| var s = new Set([1]); |
| |
| assert.sameValue(s.size, 1, "The value of `s.size` is `1`"); |
| |
| var result = s.delete(1); |
| |
| assert.sameValue(s.size, 0, "The value of `s.size` is `0`, after executing `s.delete(1)`"); |
| assert.sameValue(result, true, "The result of `s.delete(1)` is `true`"); |
