mirror of https://github.com/tc39/test262.git
31 lines
759 B
JavaScript
31 lines
759 B
JavaScript
// Copyright (C) 2016 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: 21.1.4
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description: Instances has the own property length
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info: |
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21.1.4 Properties of String Instances
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...
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String instances have a length property, and a set of enumerable properties
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with integer indexed names.
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includes: [propertyHelper.js]
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---*/
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class S extends String {}
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var s1 = new S();
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assert.sameValue(s1.length, 0);
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verifyNotWritable(s1, 'length');
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verifyNotEnumerable(s1, 'length');
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verifyNotConfigurable(s1, 'length');
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var s2 = new S('test262');
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assert.sameValue(s2.length, 7);
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verifyNotWritable(s2, 'length');
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verifyNotEnumerable(s2, 'length');
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verifyNotConfigurable(s2, 'length');
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