blob: 54f9b8b5cd1b8a73045e4b0778a25b1201035689 [file] [log] [blame]
/*
* 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 In checked mode, it is a dynamic type error if a factory returns
* a non-null object whose type is not a subtype of its actual return type.
* @description Checks that returning an object of subtype of M
* from factory constructor M does not produce an error.
* @author kaigorodov
*/
abstract class A {
A();
factory A.f() { return new C(); }
}
class C extends A {}
main() {
new A.f();
}