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- // Boost.Signals library
- // Copyright (C) Douglas Gregor 2001-2006. Use, modification and
- // distribution is subject to the Boost Software License, Version
- // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- // For more information, see http://www.boost.org
- #include <boost/shared_ptr.hpp>
- #include <boost/test/minimal.hpp>
- #include <boost/signals2.hpp>
- #include <boost/bind.hpp>
- typedef boost::signals2::signal<int (int)> sig_type;
- class with_constant {
- public:
- with_constant(int c) : constant(c) {}
- int add(int i) { return i + constant; }
- private:
- int constant;
- };
- void do_delayed_connect(boost::shared_ptr<with_constant> &wc,
- sig_type& sig,
- sig_type::slot_type slot)
- {
- // Should invalidate the slot, so that we cannot connect to it
- wc.reset();
- boost::signals2::connection c = sig.connect(slot);
- BOOST_CHECK(!c.connected());
- }
- int test_main(int, char*[])
- {
- sig_type s1;
- boost::shared_ptr<with_constant> wc1(new with_constant(7));
- do_delayed_connect(wc1, s1, sig_type::slot_type(&with_constant::add, wc1.get(), _1).track(wc1));
- return 0;
- }
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