| 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/bind/bind.hpp> |
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| 11 | #include <boost/shared_ptr.hpp> |
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| 12 | #include <boost/signals2.hpp> |
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| 13 | #define BOOST_TEST_MODULE dead_slot_test |
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| 14 | #include <boost/test/included/unit_test.hpp> |
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| 15 | |
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| 16 | using namespace boost::placeholders; |
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| 17 | |
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| 18 | typedef boost::signals2::signal<int (int)> sig_type; |
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| 19 | |
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| 20 | class with_constant { |
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| 21 | public: |
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| 22 | with_constant(int c) : constant(c) {} |
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| 23 | |
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| 24 | int add(int i) { return i + constant; } |
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| 25 | |
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| 26 | private: |
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| 27 | int constant; |
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| 28 | }; |
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| 29 | |
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| 30 | void do_delayed_connect(boost::shared_ptr<with_constant> &wc, |
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| 31 | sig_type& sig, |
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| 32 | sig_type::slot_type slot) |
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| 33 | { |
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| 34 | // Should invalidate the slot, so that we cannot connect to it |
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| 35 | wc.reset(); |
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| 36 | |
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| 37 | boost::signals2::connection c = sig.connect(slot); |
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| 38 | BOOST_CHECK(!c.connected()); |
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| 39 | } |
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| 40 | |
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| 41 | BOOST_AUTO_TEST_CASE(test_main) |
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| 42 | { |
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| 43 | sig_type s1; |
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| 44 | boost::shared_ptr<with_constant> wc1(new with_constant(7)); |
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| 45 | |
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| 46 | do_delayed_connect(wc&: wc1, sig&: s1, slot: sig_type::slot_type(&with_constant::add, wc1.get(), _1).track(tracked: wc1)); |
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| 47 | } |
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| 48 | |
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