Language/Classes/definition_t01.dart

/*
 * 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 classDefinition:
 *   metadata abstract? class identifier typeParameters? (superclass mixins?)? 
 * interfaces? ‘{’ (metadata classMemberDefinition)* ‘}’ |
 *   metadata abstract? class mixinApplicationClass
 * ;
 * @description Checks that various class definitions that are valid according 
 * to this syntax do not cause any errors and can be instantiated.
 * @author msyabro
 */

abstract class I {}
abstract class J {}
abstract class IT<T> {}

class A {}
class B extends A {}
class C extends B implements I {}
class D implements I, J {}
class E extends D implements I, J {}

class F<T> {}
class G<S, T> extends F<T> {}
class H<T> implements I {}
class K extends G<int, int> implements I {}
class L<T extends A, S extends B> implements IT<T> {}

abstract class N<T, U> extends A {}
abstract class O extends N<int, int> implements I {}

class P extends O {}

class Q1 extends A with D {}
class Q2 extends A with D, F<int> {}

main() {
  A a = new A();
  B b = new B();
  C c = new C();
  D d = new D();
  E e = new E();
  F f = new F();
  G g = new G();
  H h = new H();
  K k = new K();
  L l = new L();
  P p = new P();
}