| // Copyright (C) 2016 the V8 project authors. All rights reserved. |
| // This code is governed by the BSD license found in the LICENSE file. |
| /*--- |
| esid: sec-properties-of-string-instances-length |
| description: The "length" property of String objects |
| info: | |
| [...] |
| 4. Return ? StringCreate(s, ? GetPrototypeFromConstructor(NewTarget, |
| "%StringPrototype%")). |
| includes: [propertyHelper.js] |
| ---*/ |
| |
| var str = new String(''); |
| |
| verifyNotEnumerable(str, 'length'); |
| verifyNotWritable(str, 'length'); |
| verifyNotConfigurable(str, 'length'); |
| |
| assert.sameValue(str.length, 0, 'empty string'); |
| |
| str = new String(' '); |
| assert.sameValue(str.length, 1, 'whitespace'); |
| |
| str = new String(' \b '); |
| assert.sameValue(str.length, 3, 'character escape (U+008, "backspace")'); |
| |
| str = new String('\ud834\udf06'); |
| assert.sameValue(str.length, 2, 'Unicode escape (surrogate pair)'); |
