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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// Copyright (C) 2011 Vicente J. Botet Escriba
//
// 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)
// <boost/thread/future.hpp>
// class packaged_task<R>
// template <class F, class Allocator>
// explicit packaged_task(allocator_arg_t, const Allocator& a, F&& f);
#define BOOST_THREAD_VERSION 4
#if BOOST_THREAD_VERSION == 4
#define BOOST_THREAD_DETAIL_SIGNATURE double()
#else
#define BOOST_THREAD_DETAIL_SIGNATURE double
#endif
#include <boost/thread/detail/config.hpp>
#include <boost/thread/future.hpp>
#include <boost/detail/lightweight_test.hpp>
#if defined BOOST_THREAD_PROVIDES_FUTURE_CTOR_ALLOCATORS
#include "../test_allocator.hpp"
double fct()
{
return 5.0;
}
long lfct()
{
return 5;
}
class A
{
long data_;
public:
BOOST_THREAD_COPYABLE_AND_MOVABLE(A)
static int n_moves;
static int n_copies;
static int n_instances;
static int n_destroy;
explicit A(long i) : data_(i)
{
++n_instances;
}
A(BOOST_THREAD_RV_REF(A) a) : data_(BOOST_THREAD_RV(a).data_)
{
++n_instances;
++n_moves; BOOST_THREAD_RV(a).data_ = -1;
}
A& operator=(BOOST_THREAD_RV_REF(A) a)
{
data_ = BOOST_THREAD_RV(a).data_;
BOOST_THREAD_RV(a).data_ = -1;
++n_moves;
return *this;
}
A(const A& a) : data_(a.data_)
{
++n_instances;
++n_copies;
}
A& operator=(BOOST_THREAD_COPY_ASSIGN_REF(A) a)
{
data_ = a.data_;
++n_copies;
return *this;
}
~A()
{
--n_instances;
++n_destroy;
}
long operator()() const
{ return data_;}
long operator()(long i, long j) const
{ return data_ + i + j;}
};
int A::n_moves = 0;
int A::n_copies = 0;
int A::n_instances = 0;
int A::n_destroy = 0;
int main()
{
{
boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::allocator_arg,
test_allocator<A>(), BOOST_THREAD_MAKE_RV_REF(A(5)));
BOOST_TEST(test_alloc_base::count > 0);
BOOST_TEST(p.valid());
boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
//p(3, 'a');
p();
BOOST_TEST(f.get() == 5.0);
}
BOOST_TEST(A::n_copies == 0);
BOOST_TEST(A::n_moves > 0);
BOOST_TEST(A::n_instances == 0);
BOOST_TEST(A::n_destroy > 0);
BOOST_TEST(test_alloc_base::count == 0);
A::n_copies = 0;
A::n_moves = 0;
{
A a(5);
boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::allocator_arg,
test_allocator<A>(), a);
BOOST_TEST(test_alloc_base::count > 0);
BOOST_TEST(p.valid());
boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
//p(3, 'a');
p();
BOOST_TEST(f.get() == 5.0);
}
//BOOST_TEST(A::n_copies > 0);
//BOOST_TEST(A::n_moves > 0);
BOOST_TEST(test_alloc_base::count == 0);
A::n_copies = 0;
A::n_moves = 0;
{
const A a(5);
boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::allocator_arg,
test_allocator<A>(), a);
BOOST_TEST(test_alloc_base::count > 0);
BOOST_TEST(p.valid());
boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
//p(3, 'a');
p();
BOOST_TEST(f.get() == 5.0);
}
//BOOST_TEST(A::n_copies > 0);
//BOOST_TEST(A::n_moves > 0);
BOOST_TEST(test_alloc_base::count == 0);
{
boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::allocator_arg,
test_allocator<A>(), fct);
BOOST_TEST(test_alloc_base::count > 0);
BOOST_TEST(p.valid());
boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
//p(3, 'a');
p();
BOOST_TEST(f.get() == 5.0);
}
{
boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::allocator_arg,
test_allocator<A>(), &lfct);
BOOST_TEST(test_alloc_base::count > 0);
BOOST_TEST(p.valid());
boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
//p(3, 'a');
p();
BOOST_TEST(f.get() == 5.0);
}
return boost::report_errors();
}
#else
int main()
{
return boost::report_errors();
}
#endif
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