mirror of https://github.com/tc39/test262.git
19 lines
540 B
JavaScript
19 lines
540 B
JavaScript
// Copyright (c) 2012 Ecma International. 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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info: The effect of preventExtentions must be testable by calling isExtensible
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es5id: 15.2.3.10-2
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description: >
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Object.preventExtensions returns its arguments after setting its
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extensible property to false
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---*/
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var o = {};
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var o2 = undefined;
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o2 = Object.preventExtensions(o);
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assert.sameValue(o2, o, 'o2');
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assert.sameValue(Object.isExtensible(o2), false, 'Object.isExtensible(o2)');
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