| // 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. |
| |
| /** |
| * @assertion An on-catch clause of the form on T catch (p1) s is equivalent to |
| * an on-catch clause on T catch (p1, p2) s where p2 is an identiier that does |
| * not occur anywhere else in the program. |
| * @description Checks that a catch clause with an explicitly specified type T |
| * of the first exception parameter does not match a thrown object if it's not |
| * null and its type is not a subtype of T. |
| * @author vasya |
| */ |
| import '../../../Utils/expect.dart'; |
| |
| class A {} |
| class B extends A {} |
| |
| main() { |
| try { |
| try { |
| throw new A(); |
| } on B catch (ex) { |
| Expect.fail("This clause shouldn't be executed"); |
| } on String catch (ex) { |
| Expect.fail("This clause shouldn't be executed"); |
| } on int catch (ex) { |
| Expect.fail("This clause shouldn't be executed"); |
| } |
| } on A catch (ok) {} |
| } |