// 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 An on-catch clause of the form on T catch (p1 , p2 ) s matches an
/// object o if the type of o is a subtype of T.
/// @description Checks that a catch clause matches an object o if the type of o
/// is a subtype of T1.
/// @author vasya

import '../../../Utils/expect.dart';

import 'try_lib.dart';

class T1 {
  T1() {}
}
class T2 extends T1 {
  T2() {}
}

main() {
  bool success = false;
  try {
    throw new T2();
  } on T1 catch (p1, st) {
    success = true;
  }
  Expect.isTrue(success);

  // imported type
  success = false;
  try {
    throw new Foo();
  } on Foo catch (p1, st) {
    success = true;
  }
  Expect.isTrue(success);
}
