// 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

import "package:expect/expect.dart";

class A<T> {
  A(f) {
    f(42);
  }
}

class B<T> extends A<T> {
  B() : super((T param) => 42);
}

main() {
  var t = new B<int>();
  Expect.throwsTypeError(() => new B<String>());
}