36 lines
761 B
JavaScript
36 lines
761 B
JavaScript
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// Copyright 2019 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-private-fields
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(function CaptureStackTracePrivateSymbol() {
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var o = {};
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Object.preventExtensions(o);
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try { Error.captureStackTrace(o); } catch (e) {}
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try { Error.captureStackTrace(o); } catch (e) {}
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})();
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(function PrivateFieldAfterPreventExtensions() {
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class C {
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constructor() {
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this.x = 1;
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Object.preventExtensions(this);
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}
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}
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class D extends C {
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#i = 42;
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set(i) { this.#i = i; }
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get(i) { return this.#i; }
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}
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let d = new D();
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d.x = 0.1;
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assertEquals(42, d.get());
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d.set(43);
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assertEquals(43, d.get());
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})();
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