Language/Expressions/Postfix_Expressions/variable_decrement_t01.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 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);
}