|  | // Copyright (c) 2012, 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 test program for testing named parameters. | 
|  | // You may not provide the same parameter as both a positional and a named argument. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | int test(int a, [int b]) { | 
|  | return a; | 
|  | } | 
|  |  | 
|  | main() { | 
|  | bool foundError = false; | 
|  | try { | 
|  | // Parameter b passed twice, as positional and named. | 
|  | test(10, 25, b: 26);  /// static type warning | 
|  | } on NoSuchMethodError catch (e) { | 
|  | foundError = true; | 
|  | } | 
|  | Expect.equals(true, foundError); | 
|  | } |