|  | // Copyright (c) 2011, 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 testing closures. | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class LocalFunction3Test { | 
|  | static testExceptions() { | 
|  | dynamic f = (int n) { | 
|  | return n + 1; | 
|  | }; | 
|  | Expect.equals(true, f is Object); | 
|  | bool exception_caught = false; | 
|  | try { | 
|  | f.xyz(0); | 
|  | } on NoSuchMethodError { | 
|  | exception_caught = true; | 
|  | } | 
|  | Expect.equals(true, exception_caught); | 
|  | exception_caught = false; | 
|  | String f_string = ""; | 
|  | try { | 
|  | f_string = f.toString(); | 
|  | } on NoSuchMethodError { | 
|  | exception_caught = true; | 
|  | } | 
|  | Expect.equals(false, exception_caught); | 
|  | Expect.equals(true, f_string.startsWith("Closure")); | 
|  | } | 
|  |  | 
|  | static testMain() { | 
|  | testExceptions(); | 
|  | } | 
|  | } | 
|  |  | 
|  | main() { | 
|  | LocalFunction3Test.testMain(); | 
|  | } |