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// Boost.Signals library

// Copyright Doug Gregor 2001-2003. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at

// For more information, see

#include <boost/test/test_tools.hpp>
#include <boost/signal.hpp>
#include <boost/bind.hpp>

typedef boost::signal1<int, int> sig_type;

class with_constant : public boost::BOOST_SIGNALS_NAMESPACE::trackable {
  with_constant(int c) : constant(c) {}

  int add(int i) { return i + constant; }

  int constant;

void do_delayed_connect(with_constant* wc,
                        sig_type& sig,
                        sig_type::slot_type slot)
  // Should invalidate the slot, so that we cannot connect to it
  delete wc;

  boost::BOOST_SIGNALS_NAMESPACE::connection c = sig.connect(slot);

int test_main(int, char*[])
  sig_type s1;
  with_constant* wc1 = new with_constant(7);

  do_delayed_connect(wc1, s1, boost::bind(&with_constant::add, wc1, _1));

  return 0;