| // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // @dart = 2.7 |
| |
| import 'package:expect/expect.dart'; |
| |
| import 'dart:_foreign_helper' show JS, JS_CONST; |
| |
| test1() { |
| var re = const JS_CONST(r'/-([\da-z])/ig'); |
| var fToUpper = |
| const JS_CONST(r'function(_, letter){return letter.toUpperCase()}'); |
| var s1 = '-hello-world'; |
| var s2 = JS('String', r'#.replace(#, #)', s1, re, fToUpper); |
| Expect.equals('HelloWorld', s2); |
| |
| s1 = 'hello-world'; |
| s2 = JS('String', r'#.replace(#, #)', s1, re, fToUpper); |
| Expect.equals('helloWorld', s2); |
| } |
| |
| main() { |
| test1(); |
| } |