// Copyright (c) 2012, 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.

// Make sure we can have a native with a name that is a JavaScript keyword.

import 'native_metadata.dart';

@Native("*A")
class A {
  @native int delete();
}

@native A makeA() { return new A(); }

@Native("""
function A() {}
A.prototype.delete = function() { return 87; };

makeA = function(){return new A;};
""")
void setup();


main() {
  setup();

  var a = makeA();
  Expect.equals(87, a.delete());
  A aa = a;
  Expect.equals(87, aa.delete());  
}
