1 /*=============================================================================
2 Copyright (c) 2006-2007 Tobias Schwinger
3
4 Use modification and distribution are subject to the Boost Software
5 License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6 http://www.boost.org/LICENSE_1_0.txt).
7 ==============================================================================*/
8
9 #include <boost/fusion/functional/generation/make_fused.hpp>
10 #include <boost/detail/lightweight_test.hpp>
11
12 #include <boost/noncopyable.hpp>
13 #include <boost/mpl/empty_base.hpp>
14
15 #include <boost/fusion/container/generation/make_vector.hpp>
16 #include <boost/fusion/container/vector.hpp>
17
18 namespace fusion = boost::fusion;
19 using boost::noncopyable;
20 using boost::cref;
21 using boost::ref;
22
23 template <class Base = boost::mpl::empty_base>
24 struct test_func
25 : Base
26 {
27 typedef int result_type;
28
29 template <typename T0, typename T1>
operator ()test_func30 int operator()(T0 const & x, T1 const & y) const
31 {
32 return 1+x-y;
33 }
34
35 template <typename T0, typename T1>
operator ()test_func36 int operator()(T0 const & x, T1 const & y)
37 {
38 return 2+x-y;
39 }
40
41 template <typename T0, typename T1>
operator ()test_func42 int operator()(T0 & x, T1 & y) const
43 {
44 return 3+x-y;
45 }
46
47 template <typename T0, typename T1>
operator ()test_func48 int operator()(T0 & x, T1 & y)
49 {
50 return 4+x-y;
51 }
52 };
53
54 template <typename T>
const_(T const & t)55 inline T const & const_(T const & t)
56 {
57 return t;
58 }
59
main()60 int main()
61 {
62 fusion::vector<int,char> lv_vec(1,'\004');
63 test_func<> f;
64 test_func<noncopyable> f_nc;
65
66 boost::fusion::result_of::make_fused< test_func<> >::type fused_func
67 = fusion::make_fused(f);
68
69 BOOST_TEST(fused_func(lv_vec) == 1);
70 BOOST_TEST(const_(fused_func)(lv_vec) == 0);
71 BOOST_TEST(fusion::make_fused(const_(f))(lv_vec) == 1);
72 BOOST_TEST(fusion::make_fused(ref(f_nc))(lv_vec) == 1);
73 BOOST_TEST(fusion::make_fused(cref(f_nc))(lv_vec) == 0);
74
75 BOOST_TEST(fused_func(fusion::make_vector(2,'\003')) == 1);
76 BOOST_TEST(const_(fused_func)(fusion::make_vector(2,'\003')) == 0);
77 BOOST_TEST(fusion::make_fused(const_(f))(fusion::make_vector(2,'\003')) == 1);
78 BOOST_TEST(fusion::make_fused(ref(f_nc))(fusion::make_vector(2,'\003')) == 1);
79 BOOST_TEST(fusion::make_fused(cref(f_nc))(fusion::make_vector(2,'\003')) == 0);
80
81 return boost::report_errors();
82 }
83
84
85
86