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block_test.cpp
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//Copyright (c) 2015-2021 Emil Dotchevski and Reverge Studios, Inc.
//Distributed under 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)
#include <boost/synapse/block.hpp>
#include <boost/synapse/blocker.hpp>
#include "boost/core/lightweight_test.hpp"
namespace synapse=boost::synapse;
namespace
{
struct my_emitter_type { };
struct meta_data
{
std::shared_ptr<my_emitter_type> e;
my_emitter_type * ep;
synapse::blocker * eb;
int count;
meta_data():
ep(0),
eb(0),
count(0)
{
}
void reset()
{
e.reset();
ep=0;
eb=0;
}
};
bool does_not_own( std::shared_ptr<void const> const & e )
{
return !(e.owner_before(std::shared_ptr<void const>())) && !(std::shared_ptr<void const>().owner_before(e));
}
template <class Signal>
bool emitter_blocked( void const * e )
{
std::shared_ptr<synapse::synapse_detail::thread_local_signal_data> const & tlsd=synapse::synapse_detail::get_thread_local_signal_data<Signal>(false);
return tlsd && tlsd->emitter_blocked_(*tlsd,e);
}
template <class Signal>
meta_data & the_meta_data()
{
static meta_data d;
return d;
}
typedef struct signal1_(*signal1)();
typedef struct signal2_(*signal2)();
}
namespace boost { namespace synapse {
namespace synapse_detail
{
template <class Signal>
int emit_meta_blocked( blocker & eb, bool emitter_blocked )
{
meta_data & d=the_meta_data<Signal>();
BOOST_TEST(!d.e);
BOOST_TEST(!d.ep);
BOOST_TEST(!d.eb);
d.e=eb.emitter<my_emitter_type>();
d.ep=eb.emitter<my_emitter_type>().get();
d.eb=&eb;
d.count += emitter_blocked?1:-1;
return 0;
}
}
} }
namespace
{
void block_test()
{
{
my_emitter_type e1;
my_emitter_type e2;
BOOST_TEST(!emitter_blocked<signal1>(&e1));
BOOST_TEST(!emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(!emitter_blocked<signal2>(&e2));
std::shared_ptr<synapse::blocker> eb1=synapse::block<signal1>(&e1);
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal1>(&e1);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal1>(&e1);
BOOST_TEST_EQ(eb1, b1);
BOOST_TEST_EQ(eb1, b2);
}
BOOST_TEST(does_not_own(the_meta_data<signal1>().e));
BOOST_TEST_EQ(the_meta_data<signal1>().ep, &e1);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb1.get());
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
the_meta_data<signal1>().reset();
BOOST_TEST(emitter_blocked<signal1>(&e1));
BOOST_TEST(!emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(!emitter_blocked<signal2>(&e2));
std::shared_ptr<synapse::blocker> eb2=synapse::block<signal2>(&e1);
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal2>(&e1);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal2>(&e1);
BOOST_TEST_EQ(eb2, b1);
BOOST_TEST_EQ(eb2, b2);
}
BOOST_TEST(does_not_own(the_meta_data<signal2>().e));
BOOST_TEST_EQ(the_meta_data<signal2>().ep, &e1);
BOOST_TEST_EQ(the_meta_data<signal2>().eb, eb2.get());
BOOST_TEST_EQ(the_meta_data<signal2>().count, 1);
the_meta_data<signal2>().reset();
BOOST_TEST(emitter_blocked<signal1>(&e1));
BOOST_TEST(emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(!emitter_blocked<signal2>(&e2));
std::shared_ptr<synapse::blocker> eb3=synapse::block<signal1>(&e2);
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal1>(&e2);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal1>(&e2);
BOOST_TEST_EQ(eb3, b1);
BOOST_TEST_EQ(eb3, b2);
}
BOOST_TEST(does_not_own(the_meta_data<signal1>().e));
BOOST_TEST_EQ(the_meta_data<signal1>().ep, &e2);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb3.get());
BOOST_TEST_EQ(the_meta_data<signal1>().count, 2);
the_meta_data<signal1>().reset();
BOOST_TEST(emitter_blocked<signal1>(&e1));
BOOST_TEST(emitter_blocked<signal2>(&e1));
BOOST_TEST(emitter_blocked<signal1>(&e2));
BOOST_TEST(!emitter_blocked<signal2>(&e2));
std::shared_ptr<synapse::blocker> eb4=synapse::block<signal2>(&e2);
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal2>(&e2);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal2>(&e2);
BOOST_TEST_EQ(eb4, b1);
BOOST_TEST_EQ(eb4, b2);
}
BOOST_TEST(does_not_own(the_meta_data<signal2>().e));
BOOST_TEST_EQ(the_meta_data<signal2>().ep, &e2);
BOOST_TEST_EQ(the_meta_data<signal2>().eb, eb4.get());
BOOST_TEST_EQ(the_meta_data<signal2>().count, 2);
the_meta_data<signal2>().reset();
BOOST_TEST(emitter_blocked<signal1>(&e1));
BOOST_TEST(emitter_blocked<signal2>(&e1));
BOOST_TEST(emitter_blocked<signal1>(&e2));
BOOST_TEST(emitter_blocked<signal2>(&e2));
{
synapse::blocker * eb=eb1.get();
eb1.reset();
BOOST_TEST(!synapse::synapse_detail::get_thread_local_signal_data<signal1>(false)->bl_.expired());
BOOST_TEST(does_not_own(the_meta_data<signal1>().e));
BOOST_TEST_EQ(the_meta_data<signal1>().ep, &e1);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb);
}
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
the_meta_data<signal1>().reset();
BOOST_TEST(!emitter_blocked<signal1>(&e1));
BOOST_TEST(emitter_blocked<signal2>(&e1));
BOOST_TEST(emitter_blocked<signal1>(&e2));
BOOST_TEST(emitter_blocked<signal2>(&e2));
{
synapse::blocker * eb=eb3.get();
eb3.reset();
BOOST_TEST(synapse::synapse_detail::get_thread_local_signal_data<signal1>(false)->bl_.expired());
BOOST_TEST(
!(std::weak_ptr<synapse::synapse_detail::thread_local_signal_data::blocked_emitters_list>().owner_before(synapse::synapse_detail::get_thread_local_signal_data<signal1>(false)->bl_)) &&
!(synapse::synapse_detail::get_thread_local_signal_data<signal1>(false)->bl_.owner_before(std::weak_ptr<synapse::synapse_detail::thread_local_signal_data::blocked_emitters_list>())) );
BOOST_TEST(does_not_own(the_meta_data<signal1>().e));
BOOST_TEST_EQ(the_meta_data<signal1>().ep, &e2);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb);
}
BOOST_TEST_EQ(the_meta_data<signal1>().count, 0);
the_meta_data<signal1>().reset();
BOOST_TEST(!emitter_blocked<signal1>(&e1));
BOOST_TEST(emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(emitter_blocked<signal2>(&e2));
{
synapse::blocker * eb=eb2.get();
eb2.reset();
BOOST_TEST(!synapse::synapse_detail::get_thread_local_signal_data<signal2>(false)->bl_.expired());
BOOST_TEST(does_not_own(the_meta_data<signal2>().e));
BOOST_TEST_EQ(the_meta_data<signal2>().ep, &e1);
BOOST_TEST_EQ(the_meta_data<signal2>().eb, eb);
}
BOOST_TEST_EQ(the_meta_data<signal2>().count, 1);
the_meta_data<signal2>().reset();
BOOST_TEST(!emitter_blocked<signal1>(&e1));
BOOST_TEST(!emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(emitter_blocked<signal2>(&e2));
{
synapse::blocker * eb=eb4.get();
eb4.reset();
BOOST_TEST(synapse::synapse_detail::get_thread_local_signal_data<signal2>(false)->bl_.expired());
BOOST_TEST(
!(std::weak_ptr<synapse::synapse_detail::thread_local_signal_data::blocked_emitters_list>().owner_before(synapse::synapse_detail::get_thread_local_signal_data<signal2>(false)->bl_)) &&
!(synapse::synapse_detail::get_thread_local_signal_data<signal2>(false)->bl_.owner_before(std::weak_ptr<synapse::synapse_detail::thread_local_signal_data::blocked_emitters_list>())) );
BOOST_TEST(does_not_own(the_meta_data<signal2>().e));
BOOST_TEST_EQ(the_meta_data<signal2>().ep, &e2);
BOOST_TEST_EQ(the_meta_data<signal2>().eb, eb);
}
BOOST_TEST_EQ(the_meta_data<signal2>().count, 0);
the_meta_data<signal2>().reset();
BOOST_TEST(!emitter_blocked<signal1>(&e1));
BOOST_TEST(!emitter_blocked<signal2>(&e1));
BOOST_TEST(!emitter_blocked<signal1>(&e2));
BOOST_TEST(!emitter_blocked<signal2>(&e2));
}
{
std::shared_ptr<my_emitter_type> e(new my_emitter_type);
BOOST_TEST(!emitter_blocked<signal1>(e.get()));
BOOST_TEST(the_meta_data<signal1>().count==0);
std::shared_ptr<synapse::blocker> eb=synapse::block<signal1>(e);
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal1>(e);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal1>(e);
BOOST_TEST_EQ(eb, b1);
BOOST_TEST_EQ(eb, b2);
}
BOOST_TEST_EQ(the_meta_data<signal1>().e, e);
BOOST_TEST_EQ(the_meta_data<signal1>().ep, e.get());
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb.get());
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
BOOST_TEST(emitter_blocked<signal1>(e.get()));
the_meta_data<signal1>().reset();
e.reset();
BOOST_TEST_EQ(the_meta_data<signal1>().eb, nullptr);
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
the_meta_data<signal1>().reset();
{
synapse::blocker * p=eb.get();
eb.reset();
BOOST_TEST(!the_meta_data<signal1>().e);
BOOST_TEST(!the_meta_data<signal1>().ep);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, p);
}
BOOST_TEST_EQ(the_meta_data<signal1>().count, 0);
the_meta_data<signal1>().count=0;
the_meta_data<signal1>().reset();
}
{
std::shared_ptr<my_emitter_type> e(new my_emitter_type);
BOOST_TEST(!emitter_blocked<signal1>(e.get()));
BOOST_TEST_EQ(the_meta_data<signal1>().count, 0);
std::shared_ptr<synapse::blocker> eb=synapse::block<signal1>(std::weak_ptr<my_emitter_type>(e));
{
std::shared_ptr<synapse::blocker> b1=synapse::block<signal1>(e);
std::shared_ptr<synapse::blocker> b2=synapse::block<signal1>(e);
BOOST_TEST_EQ(eb, b1);
BOOST_TEST_EQ(eb, b2);
}
BOOST_TEST_EQ(the_meta_data<signal1>().e, e);
BOOST_TEST_EQ(the_meta_data<signal1>().ep, e.get());
BOOST_TEST_EQ(the_meta_data<signal1>().eb, eb.get());
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
BOOST_TEST(emitter_blocked<signal1>(e.get()));
the_meta_data<signal1>().reset();
e.reset();
BOOST_TEST_EQ(the_meta_data<signal1>().eb, nullptr);
BOOST_TEST_EQ(the_meta_data<signal1>().count, 1);
the_meta_data<signal1>().reset();
{
synapse::blocker * p=eb.get();
eb.reset();
BOOST_TEST(!the_meta_data<signal1>().e);
BOOST_TEST(!the_meta_data<signal1>().ep);
BOOST_TEST_EQ(the_meta_data<signal1>().eb, p);
}
BOOST_TEST_EQ(the_meta_data<signal1>().count, 0);
the_meta_data<signal1>().count=0;
the_meta_data<signal1>().reset();
}
}
struct null_deleter { template <class T> void operator()( T * ) { } };
void emitter_address_reuse_test()
{
my_emitter_type e2;
std::shared_ptr<my_emitter_type> e1(&e2,null_deleter());
std::shared_ptr<synapse::blocker> b1=synapse::block<signal1>(e1);
BOOST_TEST(emitter_blocked<signal1>(&e2));
BOOST_TEST_EQ(b1.use_count(), 1);
e1.reset();
the_meta_data<signal1>().reset();
std::shared_ptr<synapse::blocker> b2=synapse::block<signal1>(&e2);
BOOST_TEST(emitter_blocked<signal1>(&e2));
BOOST_TEST_EQ(b2.use_count(), 1);
the_meta_data<signal1>().reset();
b1.reset();
BOOST_TEST(emitter_blocked<signal1>(&e2));
the_meta_data<signal1>().reset();
b2.reset();
BOOST_TEST(!emitter_blocked<signal1>(&e2));
}
}
int main( int argc, char const * argv[] )
{
block_test();
emitter_address_reuse_test();
return boost::report_errors();
}