| // Copyright (C) 2019 Caio Lima. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: It is possible to add private fields on frozen objects |
| esid: sec-define-field |
| info: | |
| DefineField(receiver, fieldRecord) |
| ... |
| 8. If fieldName is a Private Name, |
| a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue). |
| 9. Else, |
| a. Assert: IsPropertyKey(fieldName) is true. |
| b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue). |
| 10. Return. |
| features: [class, class-fields-private, class-fields-public] |
| flags: [onlyStrict] |
| ---*/ |
| |
| class Test { |
| f = this; |
| #g = (Object.freeze(this), "Test262"); |
| |
| get g() { |
| return this.#g; |
| } |
| } |
| |
| let t = new Test(); |
| assert.sameValue(t.f, t); |
| assert.sameValue(t.g, "Test262"); |