| // 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. |
| |
| class NullPointerExceptionTest { |
| |
| static void testNullPointerExceptionVariable() { |
| int variable; |
| bool exceptionCaught = false; |
| bool wrongExceptionCaught = false; |
| try { |
| variable++; |
| } on NullPointerException catch (ex) { |
| exceptionCaught = true; |
| } on Exception catch (ex) { |
| wrongExceptionCaught = true; |
| } |
| Expect.equals(true, exceptionCaught); |
| Expect.equals(true, !wrongExceptionCaught); |
| } |
| |
| static int helperFunction(int parameter) { |
| return parameter++; |
| } |
| |
| static void testNullPointerExceptionFunctionCall() { |
| int variable; |
| bool exceptionCaught = false; |
| bool wrongExceptionCaught = false; |
| try { |
| variable = helperFunction(variable); |
| } on NullPointerException catch (ex) { |
| exceptionCaught = true; |
| } on Exception catch (ex) { |
| wrongExceptionCaught = true; |
| } |
| Expect.equals(true, exceptionCaught); |
| Expect.equals(true, !wrongExceptionCaught); |
| } |
| |
| static void testMain() { |
| testNullPointerExceptionVariable(); |
| testNullPointerExceptionFunctionCall(); |
| } |
| } |
| |
| main() { |
| NullPointerExceptionTest.testMain(); |
| } |