// 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 Execution of the body terminates when the first of
/// the following occurs:
///  • An exception is thrown and not caught within the current function
///    activation.
///  • A return statement immediately nested in the body of f is executed and
///    not intercepted in a finally clause.
///  • The last statement of the body completes execution.
/// @description Checks that execution of a function body terminates when body
/// completes execution.
/// @author msyabro
/// @reviewer kaigorodov

import '../../../Utils/expect.dart';

int x = 0;

void f() {
  x = 1;
  x = 2;
}

main() {
  f();
  Expect.equals(2, x);
}
