Language/13_Statements/11_Try_A04_t03.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 An on-catch clause of the form on T catch (p1) s is equivalent to an on-
 * catch clause on T catch (p1, p2) s where p2 is an identiier that does not occur
 * anywhere else in the program.
 * @description Checks that a catch clause matches an object o if the type of o is a subtype of T1.
 * @author vasya
 * @reviewer rodionov
 * @reviewer iefremov
 */
import "../../Utils/expect.dart";

import "11_Try_lib.dart";

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

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

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