| // 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 NullAccessTest { |
| static void testNullVariable() { |
| dynamic variable; |
| bool exceptionCaught = false; |
| bool wrongExceptionCaught = false; |
| try { |
| variable++; |
| } on NoSuchMethodError catch (ex) { |
| exceptionCaught = true; |
| } catch (ex) { |
| wrongExceptionCaught = true; |
| } |
| Expect.isTrue(exceptionCaught); |
| Expect.isFalse(wrongExceptionCaught); |
| } |
| |
| static dynamic helperFunction(dynamic parameter) { |
| return parameter++; |
| } |
| |
| static void testNullFunctionCall() { |
| dynamic variable; |
| bool exceptionCaught = false; |
| bool wrongExceptionCaught = false; |
| try { |
| variable = helperFunction(variable); |
| } on NoSuchMethodError catch (ex) { |
| exceptionCaught = true; |
| } catch (ex) { |
| wrongExceptionCaught = true; |
| } |
| Expect.isTrue(exceptionCaught); |
| Expect.isFalse(wrongExceptionCaught); |
| } |
| |
| static void testMain() { |
| testNullVariable(); |
| testNullFunctionCall(); |
| } |
| } |
| |
| main() { |
| NullAccessTest.testMain(); |
| } |