thread/test/test_move_function.cpp
2018-10-18 18:59:49 +02:00

135 lines
3.0 KiB
C++

// Copyright (C) 2007-8 Anthony Williams
//
// 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)
#define BOOST_THREAD_VERSION 2
#define BOOST_TEST_MODULE Boost.Threads: move function test suite
#include <boost/thread/thread_only.hpp>
#include <boost/test/unit_test.hpp>
#include <boost/thread/mutex.hpp>
#include <boost/shared_ptr.hpp>
void do_nothing()
{}
BOOST_AUTO_TEST_CASE(test_thread_move_from_lvalue_on_construction)
{
boost::thread src(&do_nothing);
boost::thread::id src_id=src.get_id();
boost::thread dest(boost::move(src));
boost::thread::id dest_id=dest.get_id();
BOOST_CHECK(src_id==dest_id);
BOOST_CHECK(src.get_id()==boost::thread::id());
dest.join();
}
BOOST_AUTO_TEST_CASE(test_thread_move_from_lvalue_on_assignment)
{
boost::thread src(&do_nothing);
boost::thread::id src_id=src.get_id();
boost::thread dest;
dest=boost::move(src);
boost::thread::id dest_id=dest.get_id();
BOOST_CHECK(src_id==dest_id);
BOOST_CHECK(src.get_id()==boost::thread::id());
dest.join();
}
boost::thread start_thread()
{
return boost::thread(&do_nothing);
}
BOOST_AUTO_TEST_CASE(test_thread_move_from_rvalue_on_construction)
{
boost::thread x(start_thread());
BOOST_CHECK(x.get_id()!=boost::thread::id());
x.join();
}
BOOST_AUTO_TEST_CASE(test_thread_move_from_rvalue_using_explicit_move)
{
//boost::thread x(boost::move(start_thread()));
boost::thread x=start_thread();
BOOST_CHECK(x.get_id()!=boost::thread::id());
x.join();
}
BOOST_AUTO_TEST_CASE(test_unique_lock_move_from_lvalue_on_construction)
{
boost::mutex m;
boost::unique_lock<boost::mutex> l(m);
BOOST_CHECK(l.owns_lock());
BOOST_CHECK(l.mutex()==&m);
boost::unique_lock<boost::mutex> l2(boost::move(l));
BOOST_CHECK(!l.owns_lock());
BOOST_CHECK(!l.mutex());
BOOST_CHECK(l2.owns_lock());
BOOST_CHECK(l2.mutex()==&m);
}
boost::unique_lock<boost::mutex> get_lock(boost::mutex& m)
{
return boost::unique_lock<boost::mutex>(m);
}
BOOST_AUTO_TEST_CASE(test_unique_lock_move_from_rvalue_on_construction)
{
boost::mutex m;
boost::unique_lock<boost::mutex> l(get_lock(m));
BOOST_CHECK(l.owns_lock());
BOOST_CHECK(l.mutex()==&m);
}
namespace user_test_ns
{
template<typename T>
T move(T& t)
{
return t.move();
}
bool move_called=false;
struct nc:
public boost::shared_ptr<int>
{
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
nc() {}
nc(nc&&)
{
move_called=true;
}
#endif
nc move()
{
move_called=true;
return nc();
}
};
}
namespace boost
{
BOOST_THREAD_DCL_MOVABLE(user_test_ns::nc)
}
BOOST_AUTO_TEST_CASE(test_move_for_user_defined_type_unaffected)
{
user_test_ns::nc src;
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
user_test_ns::nc dest=boost::move(src);
#else
user_test_ns::nc dest=move(src);
#endif
BOOST_CHECK(user_test_ns::move_called);
}