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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>
- // explicit packaged_task(F&& f);
- #define BOOST_THREAD_VERSION 4
- #include <boost/thread/future.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #if BOOST_THREAD_VERSION == 4
- #define BOOST_THREAD_DETAIL_SIGNATURE double()
- #define BOOST_THREAD_DETAIL_VOID_SIGNATURE void()
- #else
- #define BOOST_THREAD_DETAIL_SIGNATURE double
- #define BOOST_THREAD_DETAIL_VOID_SIGNATURE void
- #endif
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK
- #if defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- #define BOOST_THREAD_DETAIL_SIGNATURE_2 double(int, char)
- #define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5 + 3 +'a'
- #define BOOST_THREAD_DETAIL_VOID_SIGNATURE_2 void(int)
- #else
- #define BOOST_THREAD_DETAIL_SIGNATURE_2 double()
- #define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5
- #define BOOST_THREAD_DETAIL_VOID_SIGNATURE_2 void()
- #endif
- #else
- #define BOOST_THREAD_DETAIL_SIGNATURE_2 double
- #define BOOST_THREAD_DETAIL_SIGNATURE_2_RES 5
- #define BOOST_THREAD_DETAIL_VOID_SIGNATURE_2 void
- #endif
- void void_fct()
- {
- return;
- }
- double fct()
- {
- return 5.0;
- }
- long lfct()
- {
- return 5;
- }
- class A
- {
- public:
- long data_;
- static int n_moves;
- static int n_copies;
- BOOST_THREAD_COPYABLE_AND_MOVABLE(A)
- static void reset()
- {
- n_moves=0;
- n_copies=0;
- }
- explicit A(long i) : data_(i)
- {
- }
- A(BOOST_THREAD_RV_REF(A) a) : data_(BOOST_THREAD_RV(a).data_)
- {
- BOOST_THREAD_RV(a).data_ = -1;
- ++n_moves;
- }
- 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_copies;
- }
- A& operator=(BOOST_THREAD_COPY_ASSIGN_REF(A) a)
- {
- data_ = a.data_;
- ++n_copies;
- return *this;
- }
- ~A()
- {
- }
- void operator()(int) const
- { }
- 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;
- class M
- {
- public:
- long data_;
- static int n_moves;
- BOOST_THREAD_MOVABLE_ONLY(M)
- static void reset() {
- n_moves=0;
- }
- explicit M(long i) : data_(i)
- {
- }
- M(BOOST_THREAD_RV_REF(M) a) : data_(BOOST_THREAD_RV(a).data_)
- {
- BOOST_THREAD_RV(a).data_ = -1;
- ++n_moves;
- }
- M& operator=(BOOST_THREAD_RV_REF(M) a)
- {
- data_ = BOOST_THREAD_RV(a).data_;
- BOOST_THREAD_RV(a).data_ = -1;
- ++n_moves;
- return *this;
- }
- ~M()
- {
- }
- void operator()(int) const
- { }
- long operator()() const
- { return data_;}
- long operator()(long i, long j) const
- { return data_ + i + j;}
- };
- int M::n_moves = 0;
- class C
- {
- public:
- long data_;
- static int n_copies;
- static void reset()
- {
- n_copies=0;
- }
- explicit C(long i) : data_(i)
- {
- }
- C(const C& a) : data_(a.data_)
- {
- ++n_copies;
- }
- C& operator=(C const& a)
- {
- data_ = a.data_;
- ++n_copies;
- return *this;
- }
- ~C()
- {
- }
- void operator()(int) const
- { }
- long operator()() const
- { return data_;}
- long operator()(long i, long j) const
- { return data_ + i + j;}
- };
- int C::n_copies = 0;
- int main()
- {
- {
- A::reset();
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE_2> p(BOOST_THREAD_MAKE_RV_REF(A(5)));
- BOOST_TEST(p.valid());
- boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- p(3, 'a');
- #else
- p();
- #endif
- BOOST_TEST(f.get() == BOOST_THREAD_DETAIL_SIGNATURE_2_RES);
- BOOST_TEST(A::n_copies == 0);
- BOOST_TEST_EQ(A::n_moves, 1);
- }
- {
- A::reset();
- A a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
- 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_EQ(A::n_copies, 1);
- BOOST_TEST_EQ(A::n_moves, 0);
- }
- {
- A::reset();
- const A a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
- 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_EQ(A::n_copies, 1);
- BOOST_TEST_EQ(A::n_moves, 0);
- }
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- {
- A::reset();
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(BOOST_THREAD_MAKE_RV_REF(A(5)));
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST(A::n_copies == 0);
- BOOST_TEST_EQ(A::n_moves, 1);
- }
- {
- A::reset();
- A a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(a);
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(A::n_copies, 1);
- BOOST_TEST_EQ(A::n_moves, 0);
- }
- {
- A::reset();
- const A a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(a);
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(A::n_copies, 1);
- BOOST_TEST_EQ(A::n_moves, 0);
- }
- #endif
- {
- M::reset();
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE_2> p(BOOST_THREAD_MAKE_RV_REF(M(5)));
- BOOST_TEST(p.valid());
- boost::future<double> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- p(3, 'a');
- #else
- p();
- #endif
- BOOST_TEST(f.get() == BOOST_THREAD_DETAIL_SIGNATURE_2_RES);
- BOOST_TEST_EQ(M::n_moves, 1);
- }
- {
- M::reset();
- M a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(boost::move(a));
- 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_EQ(M::n_moves, 1);
- }
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- {
- M::reset();
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(BOOST_THREAD_MAKE_RV_REF(M(5)));
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(M::n_moves, 1);
- }
- {
- M::reset();
- M a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(boost::move(a));
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(M::n_moves, 1);
- }
- #endif
- {
- C::reset();
- C a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
- 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_EQ(C::n_copies, 1);
- }
- {
- C::reset();
- const C a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(a);
- 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_EQ(C::n_copies, 1);
- }
- #if defined BOOST_THREAD_PROVIDES_SIGNATURE_PACKAGED_TASK && defined(BOOST_THREAD_PROVIDES_VARIADIC_THREAD)
- {
- C::reset();
- C a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(a);
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(C::n_copies, 1);
- }
- {
- C::reset();
- const C a(5);
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE_2> p(a);
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p(1);
- BOOST_TEST_EQ(C::n_copies, 1);
- }
- #endif
- {
- boost::packaged_task<BOOST_THREAD_DETAIL_VOID_SIGNATURE> p(void_fct);
- BOOST_TEST(p.valid());
- boost::future<void> f = BOOST_THREAD_MAKE_RV_REF(p.get_future());
- p();
- }
- {
- boost::packaged_task<BOOST_THREAD_DETAIL_SIGNATURE> p(fct);
- 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(&lfct);
- 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();
- }
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