mirror of https://github.com/tc39/test262.git
31 lines
848 B
JavaScript
31 lines
848 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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esid: sec-properties-of-string-instances-length
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description: The "length" property of String objects
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info: |
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[...]
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4. Return ? StringCreate(s, ? GetPrototypeFromConstructor(NewTarget,
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"%StringPrototype%")).
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includes: [propertyHelper.js]
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---*/
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var str = new String('');
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verifyProperty(str, 'length', {
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writable: false,
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enumerable: false,
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configurable: false,
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});
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assert.sameValue(str.length, 0, 'empty string');
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str = new String(' ');
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assert.sameValue(str.length, 1, 'whitespace');
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str = new String(' \b ');
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assert.sameValue(str.length, 3, 'character escape (U+008, "backspace")');
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str = new String('\ud834\udf06');
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assert.sameValue(str.length, 2, 'Unicode escape (surrogate pair)');
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