| // 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. | 
 |  | 
 | import "package:expect/expect.dart"; | 
 |  | 
 | class MyException {} | 
 |  | 
 | class MyException1 extends MyException {} | 
 |  | 
 | class MyException2 extends MyException {} | 
 |  | 
 | void test1() { | 
 |   var foo = 0; | 
 |   try { | 
 |     throw new MyException1(); | 
 |   } | 
 |   on on MyException2 catch (e) { } //# 02: syntax error | 
 |   catch MyException2 catch (e) { } //# 03: syntax error | 
 |   catch catch catch (e) { } //# 04: syntax error | 
 |   on (e) { } //# 05: syntax error | 
 |   catch MyException2 catch (e) { } //# 06: syntax error | 
 |   on MyException2 catch (e) { | 
 |     foo = 1; | 
 |   } on MyException1 catch (e) { | 
 |     foo = 2; | 
 |   } on MyException catch (e) { | 
 |     foo = 3; | 
 |   } | 
 |   on UndefinedClass //# 07: static type warning | 
 |   catch (e) { | 
 |     foo = 4; | 
 |   } | 
 |   Expect.equals(2, foo); | 
 | } | 
 |  | 
 | testFinal() { | 
 |   try { | 
 |     throw "catch this!"; | 
 |   } catch (e, s) { | 
 |     // Test that the error and stack trace variables are final. | 
 |       e = null; // //# 10: runtime error | 
 |       s = null; // //# 11: runtime error | 
 |   } | 
 | } | 
 |  | 
 | main() { | 
 |   test1(); | 
 |   testFinal(); | 
 | } |