// 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.

import "package:expect/expect.dart";

void main() {
  var prev = -1;
  for (int i = 0; i < 2; i++) {
    if (prev != -1) {
      Expect.equals(0, prev);
    }
    prev = i;
  }
}
