12 lines
421 B
JavaScript
12 lines
421 B
JavaScript
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// Copyright 2021 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: --allow-natives-syntax
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let a = { foo: 4 };
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Object.seal(a);
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assertTrue(Object.getOwnPropertyDescriptor(a, 'foo').writable);
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Object.defineProperty(a, 'foo', { writable: false });
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assertFalse(Object.getOwnPropertyDescriptor(a, 'foo').writable);
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