// 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 A postfix expression of the form v++, where v is an identifier, is
 * equivalent to (){var r = v; v = r + 1; return r}().
 * @description Checks that evaluation of an expression of the form v++
 * is equivalent to (){var r = v; v = r + 1; return r;}() in effect.
 * @author kaigorodov
 */
import '../../../Utils/expect.dart';

void test(var n) {
  var v = n;
  var r = v++;
  Expect.equals(r, n);
  Expect.equals(v, (n + 1));
}

main() {
  test(0);
  test(-1);
  test(1);
  test(1000000);
  test(-1000000);
}
