mirror of https://github.com/tc39/test262.git
24 lines
549 B
JavaScript
24 lines
549 B
JavaScript
// Copyright (C) 2015 the V8 project authors. 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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es6id: 9.5.3
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description: >
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Return target.[[IsExtensible]]() if trap is undefined.
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info: >
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[[IsExtensible]] ( )
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...
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7. If trap is undefined, then
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a. Return target.[[IsExtensible]]().
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...
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---*/
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var target = {};
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var p = new Proxy(target, {});
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assert.sameValue(Object.isExtensible(p), true);
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Object.preventExtensions(target);
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assert.sameValue(Object.isExtensible(p), false);
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