|  | // 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 for testing throw statement | 
|  |  | 
|  | import "package:expect/expect.dart"; | 
|  |  | 
|  | class MyException { | 
|  | const MyException([String message = ""]) : message_ = message; | 
|  | final String message_; | 
|  | } | 
|  |  | 
|  | class Helper { | 
|  | static int f1(int i) { | 
|  | try { | 
|  | int j; | 
|  | i = 100; | 
|  | i = func(); | 
|  | i = 200; | 
|  | } on MyException catch (exception) { | 
|  | i = 50; | 
|  | print(exception.message_); | 
|  | } finally { | 
|  | i = i + 800; | 
|  | } | 
|  | return i; | 
|  | } | 
|  |  | 
|  | static int func() { | 
|  | try { | 
|  | int i = 0; | 
|  | while (i < 10) { | 
|  | i++; | 
|  | } | 
|  | if (i > 0) { | 
|  | throw new MyException("Test for exception being thrown"); | 
|  | } | 
|  | } on MyException catch (ex) { | 
|  | print(ex.message_); | 
|  | rethrow;  // Rethrow the exception. | 
|  | } | 
|  | return 10; | 
|  | } | 
|  | } | 
|  |  | 
|  | class Throw3Test { | 
|  | static testMain() { | 
|  | Expect.equals(850, Helper.f1(1)); | 
|  | } | 
|  | } | 
|  |  | 
|  | main() { | 
|  | Throw3Test.testMain(); | 
|  | } |