mirror of https://github.com/tc39/test262.git
32 lines
882 B
JavaScript
32 lines
882 B
JavaScript
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// Copyright (C) 2019 Caio Lima. 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: Public class field initialization calls [[DefineOwnProperty]] and can be observed by Proxies
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esid: sec-define-field
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info: |
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DefineField(receiver, fieldRecord)
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...
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8. If fieldName is a Private Name,
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a. Perform ? PrivateFieldAdd(fieldName, receiver, initValue).
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9. Else,
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a. Assert: IsPropertyKey(fieldName) is true.
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b. Perform ? CreateDataPropertyOrThrow(receiver, fieldName, initValue).
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10. Return.
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features: [class, class-fields-public]
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---*/
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function ProxyBase() {
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return new Proxy(this, {
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defineProperty: function (target, key, descriptor) {
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throw new Test262Error();
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}
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});
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}
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class Base extends ProxyBase {
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f = "Test262";
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}
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assert.throws(Test262Error, () => { new Base(); });
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