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Added to nested tests, and fixed C++11 vector copy-from-sequence

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This commit is contained in:
Lee Clagett
2016-05-31 13:43:54 -04:00
parent 7e4ab4f804
commit 79d8e9d11c
2 changed files with 77 additions and 13 deletions
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31
include/boost/fusion/container/vector/vector.hpp
View File

@ -33,13 +33,14 @@
#include <boost/fusion/container/vector/detail/end_impl.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/sequence/intrinsic/begin.hpp>
#include <boost/fusion/sequence/intrinsic/size.hpp>
#include <boost/fusion/iterator/advance.hpp>
#include <boost/fusion/iterator/deref.hpp>
#include <boost/core/enable_if.hpp>
#include <boost/mpl/int.hpp>
#include <boost/mpl/bool.hpp>
#include <boost/mpl/equal_to.hpp>
#include <boost/mpl/int.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/type_traits/is_convertible.hpp>
#include <boost/type_traits/remove_cv.hpp>
#include <boost/type_traits/remove_reference.hpp>
#include <cstddef>
@ -66,15 +67,20 @@ namespace boost { namespace fusion
template <typename T>
struct pure : remove_cv<typename remove_reference<T>::type> {};
template <typename Sequence, typename This, int = result_of::size<This>::value>
struct is_convertible_to_first
: boost::is_convertible<Sequence, typename result_of::value_at_c<This, 0>::type>
{};
template<typename Sequence, typename This, typename Enable = void>
struct can_convert : mpl::false_ {};
template <typename Sequence, typename This>
struct is_convertible_to_first<Sequence, This, 0>
: mpl::false_
{};
template<typename Sequence, typename This>
struct can_convert<
Sequence
, This
, typename enable_if<traits::is_sequence<Sequence>>::type
> : mpl::equal_to<
fusion::result_of::size<Sequence>
, fusion::result_of::size<This>
>
{
};
template <typename This, typename ...T>
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
@ -90,9 +96,8 @@ namespace boost { namespace fusion
BOOST_CONSTEXPR BOOST_FUSION_GPU_ENABLED
inline from_sequence<
typename lazy_enable_if_c<
(traits::is_sequence<typename remove_reference<Sequence>::type>::value &&
!is_same<This, typename pure<Sequence>::type>::value &&
!is_convertible_to_first<Sequence, This>::value)
(!is_same<This, typename pure<Sequence>::type>::value &&
can_convert<typename pure<Sequence>::type, This>::value)
, make_indices_from_seq<Sequence>
>::type
>

59
test/sequence/nest.hpp
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@ -7,6 +7,43 @@
#include <utility>
#include <boost/config.hpp>
#include <boost/fusion/include/as_deque.hpp>
#include <boost/fusion/include/as_list.hpp>
#include <boost/fusion/include/as_vector.hpp>
template<typename C, template<typename> class As>
void test_from_sequence_rvalue()
{
typename As<C>::type dst((C()));
(void)dst;
}
template<typename C, template<typename> class As>
void test_from_sequence_const_lvalue()
{
C src;
typename As<C>::type dst(src);
(void)dst;
}
template<typename C, template<typename> class As>
void test_from_sequence_lvalue()
{
const C src;
typename As<C>::type dst(src);
(void)dst;
}
template<typename C, template<typename> class As>
void test_from_sequence()
{
// the following tests do not work in all cases for C++03
#if defined(BOOST_FUSION_HAS_VARIADIC_VECTOR)
test_from_sequence_rvalue<C, As>();
test_from_sequence_const_lvalue<C, As>();
test_from_sequence_lvalue<C, As>();
#endif
}
template <typename C>
void test_copy()
@ -29,6 +66,10 @@ void test_move()
template <typename C>
void test_all()
{
// as_deque and as_list do not work in C++03 or C++11 mode
// test_from_sequence<C, boost::fusion::result_of::as_deque>();
// test_from_sequence<C, boost::fusion::result_of::as_list>();
test_from_sequence<C, boost::fusion::result_of::as_vector>();
test_copy<C>();
#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
test_move<C>();
@ -54,5 +95,23 @@ test()
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int, float>, int> >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int, float> > >();
test_all<FUSION_SEQUENCE<int, FUSION_SEQUENCE<int, float>, float> >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<>, FUSION_SEQUENCE<> > >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<int>, FUSION_SEQUENCE<> > >();
test_all<FUSION_SEQUENCE<FUSION_SEQUENCE<>, FUSION_SEQUENCE<int> > >();
test_all<
FUSION_SEQUENCE<FUSION_SEQUENCE<int>, FUSION_SEQUENCE<float> >
>();
test_all<
FUSION_SEQUENCE<FUSION_SEQUENCE<int, float>, FUSION_SEQUENCE<float> >
>();
test_all<
FUSION_SEQUENCE<FUSION_SEQUENCE<int>, FUSION_SEQUENCE<float, int> >
>();
test_all<
FUSION_SEQUENCE<
FUSION_SEQUENCE<int, float>, FUSION_SEQUENCE<float, int>
>
>();
}