mirror of https://github.com/tc39/test262.git
60 lines
1.7 KiB
JavaScript
60 lines
1.7 KiB
JavaScript
// Copyright (C) 2019 Caio Lima (Igalia SL). All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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description: Every new evaluation of a class creates a different Private Name (private static getter)
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esid: sec-runtime-semantics-evaluate-name
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info: |
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ClassTail : ClassHeritage { ClassBody }
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...
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19. Let F be constructorInfo.[[Closure]].
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20. If ClassHeritage_opt is present and protoParent is not null, then set F.[[ConstructorKind]] to "derived".
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21. Perform MakeConstructor(F, false, proto).
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22. Perform MakeClassConstructor(F).
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...
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33. If PrivateBoundIdentifiers of ClassBody contains a Private Name P such that P's [[Kind]] field is either "method" or "accessor" and P's [[Brand]] is F,
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a. PrivateBrandAdd(F, F).
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...
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PrivateBrandCheck(O, P)
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1. If O.[[PrivateBrands]] does not contain an entry e such that SameValue(e, P.[[Brand]]) is true,
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a. Throw a TypeError exception.
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features: [class, class-static-methods-private, cross-realm]
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flags: [noStrict]
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---*/
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let global1 = $262.createRealm().global;
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let global2 = $262.createRealm().global;
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let eval1 = global1.eval;
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let eval2 = global2.eval;
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let classStringExpression = `(
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class {
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static get #m() {
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return 'test262';
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};
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static access() {
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return this.#m;
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}
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}
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)`;
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let evalClass = function (_eval) {
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return _eval(classStringExpression);
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};
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let C1 = evalClass(eval1);
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let C2 = evalClass(eval2);
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assert.sameValue(C1.access(), 'test262');
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assert.sameValue(C2.access(), 'test262');
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assert.throws(global1.TypeError, function() {
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C1.access.call(C2);
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}, 'invalid access of C1 private static getter');
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assert.throws(global2.TypeError, function() {
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C2.access.call(C1);
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}, 'invalid access of C2 private static getter');
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