| // 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 = 2.9 |
| |
| /// @assertion Evaluation of a throw expression of the form throw e; proceeds as |
| /// follows: |
| /// The expression e is evaluated yielding a value v. |
| /// If v evaluates to null, then a NullThrownError is thrown. Otherwise, control |
| /// is transferred to the nearest dynamically enclosing exception handler, with |
| /// the current exception set to v and the current return value becomes |
| /// undefined. |
| /// @description Checks that an expression statement of the form "throw e;" |
| /// indeed raises an exception and transfers control to the nearest enclosing |
| /// exception handler if there is one. |
| /// @author rodionov |
| /// @reviewer iefremov |
| |
| import '../../../Utils/expect.dart'; |
| |
| main() { |
| bool flag = false; |
| var ex = ""; |
| try { |
| try { |
| throw ex; |
| Expect.fail("This code shouldn't be executed"); |
| } on int catch (i) {} |
| Expect.fail("This code shouldn't be executed"); |
| } on int catch (i) { |
| } catch (s, st) { |
| flag = true; |
| Expect.isTrue(identical(ex, s)); |
| Expect.isNotNull(st); |
| } |
| |
| Expect.isTrue(flag, "The correct exception handler wasn't triggered"); |
| } |