mirror of https://github.com/tc39/test262.git
91 lines
2.0 KiB
JavaScript
91 lines
2.0 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: Trying to set private method throws TypeError
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esid: sec-privatefieldset
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info: |
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PrivateFieldSet ( P, O, value )
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1. Assert: P is a Private Name.
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2. If O is not an object, throw a TypeError exception.
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3. If P.[[Kind]] is "field",
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a. Let entry be PrivateFieldFind(P, O).
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b. If entry is empty, throw a TypeError exception.
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c. Set entry.[[PrivateFieldValue]] to value.
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d. Return.
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4. If P.[[Kind]] is "method", throw a TypeError exception.
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5. Else,
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a. Assert: P.[[Kind]] is "accessor".
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b. If O.[[PrivateFieldBrands]] does not contain P.[[Brand]], throw a TypeError exception.
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c. If P does not have a [[Set]] field, throw a TypeError exception.
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d. Let setter be P.[[Set]].
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e. Perform ? Call(setter, O, value).
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f. Return.
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features: [class-methods-private, class-fields-public, class]
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---*/
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class A {
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set #f(v) {
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throw new Test262Error();
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}
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}
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class B extends A {
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#f() {
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throw new Test262Error();
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}
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setAccess() {
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this.#f = 'Test262';
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}
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}
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let b = new B();
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assert.throws(TypeError, function() {
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b.setAccess();
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}, 'subclass private method should shadow super class private accessor');
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class C {
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set #f(v) {
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throw new Test262Error();
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}
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Inner = class {
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#f() {
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throw new Test262Error();
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}
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setAccess() {
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this.#f = 'Test262';
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}
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}
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}
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let c = new C();
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let innerC = new c.Inner();
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assert.throws(TypeError, function() {
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innerC.setAccess();
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}, 'inner class private method should shadow outer class private accessor');
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class D {
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#f() {
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throw new Test262Error();
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}
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Inner = class {
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set #f(v) {
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throw new Test262Error();
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}
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}
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setAccess() {
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this.#f = 'Test262';
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}
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}
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let d = new D();
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assert.throws(TypeError, function() {
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d.setAccess();
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}, 'inner class private accessor should not be visible to outer class');
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