// 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.
// Variable initializer must not reference the initialized variable.

import "package:expect/expect.dart";

class BadInitializer2NegativeTest {
  static testMain() {
   var foo = (int n) {
     if (n == 0) {
       return 0;
     } else {
       return 1 + foo(n - 1);  // <-- self-reference to closure foo.
     }
   };
   Expect.equals(4, foo(4));
  }
}

main() {
  BadInitializer2NegativeTest.testMain();
}
