| // Copyright (C) 2019 Caio Lima. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| |
| /*--- |
| description: Successfully access private method on Proxy objects without using [[Get]] |
| esid: sec-getvalue |
| info: | |
| GetValue(V) |
| ... |
| 5. If IsPropertyReference(V), then |
| ... |
| b. If IsPrivateReference(V), then |
| i. Let env be the running execution context's PrivateNameEnvironment. |
| ii. Let field be ? ResolveBinding(GetReferencedName(V), env). |
| iii. Assert: field is a Private Name. |
| iv. Return ? PrivateFieldGet(field, base). |
| c. Return ? base.[[Get]](GetReferencedName(V), GetThisValue(V)). |
| PrivateFieldGet(P, O) |
| ... |
| 4. Perform ? PrivateBrandCheck(O, P). |
| 5. If P.[[Kind]] is "method", |
| a. Return P.[[Value]]. |
| ... |
| includes: [compareArray.js] |
| features: [class, class-methods-private, Proxy] |
| ---*/ |
| |
| let arr = []; |
| |
| class ProxyBase { |
| constructor() { |
| return new Proxy(this, { |
| get: function (obj, prop) { |
| arr.push(prop); |
| return obj[prop]; |
| } |
| }); |
| } |
| } |
| |
| class Test extends ProxyBase { |
| #f() { |
| return 3; |
| } |
| method() { |
| return this.#f(); |
| } |
| } |
| |
| let t = new Test(); |
| let r = t.method(); |
| assert.sameValue(r, 3); |
| |
| assert.compareArray(arr, ['method']); |
| |