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