blob: fda6c492a4234464f6762c50b6885e274f67d1e9 [file] [log] [blame]
// 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.
import "package:expect/expect.dart";
class B<T> {
class A<T> {
var field;
asTypeVariable() => field as T;
asBOfT() => field as B<T>;
main() {
Expect.equals(42, new A<int>(42).asTypeVariable());
() => new A<String>(42).asTypeVariable(),
(e) => e is CastError);
var b = new B<int>();
Expect.equals(b, new A<int>(b).asBOfT());
() => new A<String>(b).asBOfT(),
(e) => e is CastError);