| // Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Private field is not clobbered by computed property |
| esid: sec-privatefieldget |
| info: | |
| PrivateFieldGet (P, O) |
| 1. Assert: P is a Private Name. |
| 2. If O is not an object, throw a TypeError exception. |
| 3. If P.[[Kind]] is "field", |
| a. Let entry be PrivateFieldFind(P, O). |
| b. If entry is empty, throw a TypeError exception. |
| c. Return entry.[[PrivateFieldValue]]. |
| 4. Perform ? PrivateBrandCheck(O, P). |
| 5. If P.[[Kind]] is "method", |
| a. Return P.[[Value]]. |
| 6. Else, |
| a. Assert: P.[[Kind]] is "accessor". |
| b. If P does not have a [[Get]] field, throw a TypeError exception. |
| c. Let getter be P.[[Get]]. |
| d. Return ? Call(getter, O). |
| features: [class-fields-public, class-fields-private, class] |
| ---*/ |
| |
| class C { |
| #m = 44; |
| ["#m"] = this.#m / 11; |
| |
| checkPrivateField() { |
| assert.sameValue(this.hasOwnProperty("#m"), true); |
| assert.sameValue("#m" in this, true); |
| |
| assert.sameValue(this["#m"], 4); |
| |
| assert.sameValue(this.#m, 44); |
| |
| return 0; |
| } |
| } |
| |
| let c = new C(); |
| assert.sameValue(c.checkPrivateField(), 0); |