| 1 | // Boost.Signals library |
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| 2 | |
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| 3 | // Copyright (C) Douglas Gregor 2001-2006. Use, modification and |
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| 4 | // distribution is subject to the Boost Software License, Version |
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| 5 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
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| 6 | // http://www.boost.org/LICENSE_1_0.txt) |
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| 7 | |
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| 8 | // For more information, see http://www.boost.org |
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| 9 | |
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| 10 | #include <boost/test/minimal.hpp> |
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| 11 | #include <boost/signal.hpp> |
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| 12 | #include <boost/bind.hpp> |
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| 13 | |
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| 14 | typedef boost::signal1<int, int> sig_type; |
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| 15 | |
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| 16 | class with_constant : public boost::BOOST_SIGNALS_NAMESPACE::trackable { |
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| 17 | public: |
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| 18 | with_constant(int c) : constant(c) {} |
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| 19 | |
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| 20 | int add(int i) { return i + constant; } |
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| 21 | |
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| 22 | private: |
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| 23 | int constant; |
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| 24 | }; |
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| 25 | |
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| 26 | void do_delayed_connect(with_constant* wc, |
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| 27 | sig_type& sig, |
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| 28 | sig_type::slot_type slot) |
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| 29 | { |
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| 30 | // Should invalidate the slot, so that we cannot connect to it |
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| 31 | delete wc; |
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| 32 | |
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| 33 | boost::BOOST_SIGNALS_NAMESPACE::connection c = sig.connect(in_slot: slot); |
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| 34 | BOOST_CHECK(!c.connected()); |
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| 35 | } |
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| 36 | |
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| 37 | int test_main(int, char*[]) |
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| 38 | { |
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| 39 | sig_type s1; |
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| 40 | with_constant* wc1 = new with_constant(7); |
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| 41 | |
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| 42 | do_delayed_connect(wc: wc1, sig&: s1, slot: boost::bind(f: &with_constant::add, a1: wc1, a2: _1)); |
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| 43 | |
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| 44 | return 0; |
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| 45 | } |
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| 46 | |
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