phoenix/test/scope/bug_000008.cpp

106 lines
2.6 KiB
C++

/*=============================================================================
Copyright (c) 2003 Martin Wille
Copyright (c) 2001-2007 Joel de Guzman
Copyright (c) 2015 John Fletcher
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)
=============================================================================*/
// see http://article.gmane.org/gmane.comp.parsers.spirit.general/4575
// or https://sf.net/mailarchive/forum.php?thread_id=2692308&forum_id=1595
// for a description of the bug being tested for by this program
//
// This code is borrowed from Spirit's bug_000008.cpp test for multithreads.
// Now modified to point to the Phoenix headers
// instead of the ones in Spirit.
#include <iostream>
#include <boost/config.hpp>
#include <boost/assert.hpp>
#include <boost/detail/lightweight_test.hpp>
// Testing problems in thread/future
//#include <boost/move/move.hpp>
//#include <boost/move/detail/type_traits.hpp>
//using boost::move_detail::is_copy_constructible;
#include <boost/phoenix/scope/dynamic.hpp>
#if defined(DONT_HAVE_BOOST) \
|| !defined(BOOST_HAS_THREADS) \
|| defined(BOOST_DISABLE_THREADS) \
|| (defined(__GNUC__) && defined(__WIN32__)) // MinGW
#define SKIP_TEST
#endif
#if defined(SKIP_TEST)
// we end here if we can't do multithreading
static void skipped()
{
std::cout << "skipped\n";
}
int
main()
{
skipped();
return boost::report_errors();
}
#else
// the real MT stuff
#include <boost/phoenix/operator.hpp>
#include <boost/phoenix/scope.hpp>
#include <boost/thread.hpp>
static const int number_of_calls_per_thread=20000;
struct test_dynamic : boost::phoenix::dynamic<int>
{
// test_dynamic() : b(*this) {}
test_dynamic() : b(init<0>(this)) {}
member1 b;
};
void
in_thread(void)
{
test_dynamic s; // should now be a local
for (int i = 0; i < number_of_calls_per_thread; ++i)
{
boost::phoenix::dynamic_frame<test_dynamic::self_type> frame(s);
(s.b = 123)();
{
boost::phoenix::dynamic_frame<test_dynamic::self_type> frame(s);
(s.b = 456)();
BOOST_ASSERT((s.b == 456)());
}
BOOST_ASSERT((s.b == 123)());
}
}
void
bug_000008()
{
boost::thread t1(in_thread);
boost::thread t2(in_thread);
boost::thread t3(in_thread);
boost::thread t4(in_thread);
t1.join();
t2.join();
t3.join();
t4.join();
}
int
main()
{
bug_000008();
return boost::report_errors();
}
#endif