private-method-get-and-call.js (1535B)
1 // This file was procedurally generated from the following sources: 2 // - src/class-elements/private-method-get-and-call.case 3 // - src/class-elements/default/cls-expr.template 4 /*--- 5 description: Function returned by a private method can be called with other values as 'this' (field definitions in a class expression) 6 esid: prod-FieldDefinition 7 features: [class, class-methods-private] 8 flags: [generated] 9 info: | 10 PrivateFieldGet (P, O) 11 1. Assert: P is a Private Name. 12 2. If O is not an object, throw a TypeError exception. 13 3. If P.[[Kind]] is "field", 14 a. Let entry be PrivateFieldFind(P, O). 15 b. If entry is empty, throw a TypeError exception. 16 c. Return entry.[[PrivateFieldValue]]. 17 4. Perform ? PrivateBrandCheck(O, P). 18 5. If P.[[Kind]] is "method", 19 a. Return P.[[Value]]. 20 6. Else, 21 a. Assert: P.[[Kind]] is "accessor". 22 b. If P does not have a [[Get]] field, throw a TypeError exception. 23 c. Let getter be P.[[Get]]. 24 d. Return ? Call(getter, O). 25 26 PrivateBrandCheck(O, P) 27 1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true, 28 a. Throw a TypeError exception. 29 30 ---*/ 31 32 33 var C = class { 34 #m() { return this._v; } 35 36 getPrivateMethod() { 37 return this.#m; 38 } 39 40 } 41 42 let c = new C(); 43 44 let o1 = {_v: 'test262'}; 45 let o2 = {_v: 'foo'}; 46 assert.sameValue(c.getPrivateMethod().call(o1), 'test262'); 47 assert.sameValue(c.getPrivateMethod().call(o2), 'foo'); 48 49 reportCompare(0, 0);