Files
boost_fusion/test/sequence/joint_view.cpp
Joel de Guzman c31253d8c1 adding fusion docs and tests
[SVN r34920]
2006-08-22 15:57:13 +00:00

146 lines
4.1 KiB
C++

/*=============================================================================
Copyright (c) 2001-2006 Joel de Guzman
Use, modification and distribution is subject to 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)
==============================================================================*/
#include <boost/detail/lightweight_test.hpp>
#include <boost/fusion/sequence/container/vector/vector.hpp>
#include <boost/fusion/sequence/view/joint_view/joint_view.hpp>
#include <boost/fusion/sequence/io/out.hpp>
#include <boost/fusion/sequence/comparison/equal_to.hpp>
#include <boost/fusion/sequence/generation/make_vector.hpp>
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/mpl/vector_c.hpp>
struct X
{
operator char const*() const
{
return "<X-object>";
}
};
int
main()
{
using namespace boost::fusion;
std::cout << tuple_open('[');
std::cout << tuple_close(']');
std::cout << tuple_delimiter(", ");
/// Testing joint_view
{
vector<int> t1(3);
vector<X> t2;
typedef joint_view<vector<int>, vector<X> > view_type;
view_type view(t1, t2);
std::cout << view << std::endl;
BOOST_TEST((view == make_vector(3, X())));
}
{
vector<int, char> t1(3, 'x');
vector<X> t2;
typedef joint_view<vector<int, char>, vector<X> > view_type;
view_type view(t1, t2);
std::cout << view << std::endl;
BOOST_TEST((view == make_vector(3, 'x', X())));
*begin(view) = 4;
BOOST_TEST(at_c<0>(t1) == 4);
}
{
vector<int, char> t1(3, 'x');
vector<X, int> t2;
typedef joint_view<vector<int, char>, vector<X, int> > view_type;
view_type view(t1, t2);
std::cout << view << std::endl;
BOOST_TEST((view == make_vector(3, 'x', X(), 0)));
}
{
typedef vector<int> t1_type;
t1_type t1(777);
typedef vector<int, char, double> t2_type;
t2_type t2(1, 'x', 3.3);
{
typedef joint_view<t1_type, t2_type> view_type;
view_type view(t1, t2);
std::cout << view << std::endl;
BOOST_TEST((view == make_vector(777, 1, 'x', 3.3)));
}
{
typedef joint_view<t2_type, t1_type> view_type;
view_type view(t2, t1);
std::cout << view << std::endl;
BOOST_TEST((view == make_vector(1, 'x', 3.3, 777)));
}
{
typedef joint_view<t2_type, t1_type> jv_type;
typedef joint_view<jv_type, jv_type> jv2_type;
jv_type jv(t2, t1);
jv2_type jv2(jv, jv);
std::cout << jv << std::endl;
std::cout << jv2 << std::endl;
BOOST_TEST(jv2
== make_vector(1, 'x', 3.3, 777, 1, 'x', 3.3, 777));
}
{
typedef joint_view<t2_type, t1_type> jt_type;
typedef joint_view<t1_type, t2_type> jv2_type;
typedef joint_view<jt_type, jv2_type> jv3_type;
jt_type jt(t2, t1);
jv2_type jv2(t1, t2);
jv3_type jv3(jt, jv2);
std::cout << jt << std::endl;
std::cout << jv2 << std::endl;
std::cout << jv3 << std::endl;
BOOST_TEST(jv3
== make_vector(1, 'x', 3.3, 777, 777, 1, 'x', 3.3));
}
{
typedef joint_view<vector<>, t1_type> jt_type;
vector<> empty;
jt_type jt(empty, t1);
std::cout << jt << std::endl;
BOOST_TEST(jt == make_vector(777));
}
{
typedef joint_view<t1_type, vector<> > jt_type;
vector<> empty;
jt_type jt(t1, empty);
std::cout << jt << std::endl;
BOOST_TEST(jt == make_vector(777));
}
{
typedef joint_view<vector<>, vector<> > jt_type;
vector<> empty;
jt_type jt(empty, empty);
std::cout << jt << std::endl;
BOOST_TEST(jt == make_vector());
}
}
return boost::report_errors();
}