| // Copyright (c) 2013, 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 |
| |
| library test.instantiate_abstract_class; |
| |
| import 'dart:mirrors'; |
| import 'package:expect/expect.dart'; |
| |
| assertInstanitationErrorOnGenerativeConstructors(classMirror) { |
| classMirror.declarations.values.forEach((decl) { |
| if (decl is! MethodMirror) return; |
| if (!decl.isGenerativeConstructor) return; |
| var args = new List(decl.parameters.length); |
| Expect.throws( |
| () => classMirror.newInstance(decl.constructorName, args), |
| (e) => e is AbstractClassInstantiationError, |
| '${decl.qualifiedName} should have failed'); |
| }); |
| } |
| |
| runFactoryConstructors(classMirror) { |
| classMirror.declarations.values.forEach((decl) { |
| if (decl is! MethodMirror) return; |
| if (!decl.isFactoryConstructor) return; |
| var args = new List(decl.parameters.length); |
| classMirror.newInstance(decl.constructorName, args); // Should not throw. |
| }); |
| } |
| |
| abstract class AbstractClass { |
| AbstractClass(); |
| AbstractClass.named(); |
| factory AbstractClass.named2() => new ConcreteClass(); |
| } |
| |
| class ConcreteClass implements AbstractClass {} |
| |
| main() { |
| assertInstanitationErrorOnGenerativeConstructors(reflectType(num)); |
| assertInstanitationErrorOnGenerativeConstructors(reflectType(double)); |
| assertInstanitationErrorOnGenerativeConstructors(reflectType(StackTrace)); |
| |
| assertInstanitationErrorOnGenerativeConstructors(reflectType(AbstractClass)); |
| runFactoryConstructors(reflectType(AbstractClass)); |
| } |