// Copyright (C) 2019 Jaideep Bhoosreddy (Bloomberg LP). All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: Every new evaluation of a class creates a different brand (private getter)
esid: sec-privatefieldget
info: |
ClassTail : ClassHeritage { ClassBody }
...
11. Let proto be ObjectCreate(protoParent).
...
31. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that the P's [[Kind]] field is either "method" or "accessor",
a. Set F.[[PrivateBrand]] to proto.
...
PrivateBrandCheck(O, P)
1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
a. Throw a TypeError exception.
features: [class, class-methods-private, cross-realm]
---*/
let classStringExpression = `
return class {
get #m() { return 'test262'; }
access(o) {
return o.#m;
}
}
`;
let createAndInstantiateClass = function () {
let realm = $262.createRealm();
let classFactoryFunction = new (realm.global.Function)(classStringExpression);
let Class = classFactoryFunction();
let obj = new Class();
obj.realm = realm;
return obj;
};
let c1 = createAndInstantiateClass();
let c2 = createAndInstantiateClass();
assert.sameValue(c1.access(c1), 'test262');
assert.sameValue(c2.access(c2), 'test262');
assert.throws(c1.realm.global.TypeError, function() {
c1.access(c2);
}, 'invalid access of c1 private method');
assert.throws(c2.realm.global.TypeError, function() {
c2.access(c1);
}, 'invalid access of c2 private method');