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// Boost.Signals library
// Copyright Douglas 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
// http://www.boost.org/LICENSE_1_0.txt)
// For more information, see http://www.boost.org
#include <boost/test/minimal.hpp>
#include <boost/signal.hpp>
#include <boost/bind.hpp>
struct short_lived : public boost::BOOST_SIGNALS_NAMESPACE::trackable {
~short_lived() {}
};
struct swallow {
template<typename T> int operator()(const T*, int i) { return i; }
};
template<typename T>
struct max_or_default {
typedef T result_type;
template<typename InputIterator>
T operator()(InputIterator first, InputIterator last) const
{
if (first == last)
return T();
T max = *first++;
for (; first != last; ++first)
max = (*first > max)? *first : max;
return max;
}
};
int test_main(int, char*[])
{
typedef boost::signal1<int, int, max_or_default<int> > sig_type;
sig_type s1;
// Test auto-disconnection
BOOST_TEST(s1(5) == 0);
{
short_lived shorty;
s1.connect(boost::bind<int>(swallow(), &shorty, _1));
BOOST_TEST(s1(5) == 5);
}
BOOST_TEST(s1(5) == 0);
// Test auto-disconnection of slot before signal connection
{
short_lived* shorty = new short_lived();
sig_type::slot_type slot(boost::bind<int>(swallow(), shorty, _1));
delete shorty;
BOOST_TEST(s1(5) == 0);
}
return 0;
}
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