1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/*=============================================================================
Copyright (c) 2018 Kohei Takahashi
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)
==============================================================================*/
#include <boost/fusion/sequence/intrinsic/at.hpp>
#include <boost/fusion/sequence/intrinsic/at_key.hpp>
#include <boost/fusion/container/vector.hpp>
#include <boost/fusion/container/list.hpp>
#include <boost/fusion/container/deque.hpp>
#include <boost/fusion/container/map.hpp>
#include <boost/fusion/container/set.hpp>
#include <boost/fusion/tuple/tuple.hpp>
#include <boost/core/lightweight_test.hpp>
template <typename Sequence>
void test_at()
{
Sequence seq;
// zero initialized
BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 0);
BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 0);
BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 0);
int (&arr)[3] = boost::fusion::deref(boost::fusion::begin(seq));
arr[0] = 2;
arr[1] = 4;
arr[2] = 6;
BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 4);
BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
boost::fusion::at_c<0>(seq)[1] = 42;
BOOST_TEST(boost::fusion::at_c<0>(seq)[0] == 2);
BOOST_TEST(boost::fusion::at_c<0>(seq)[1] == 42);
BOOST_TEST(boost::fusion::at_c<0>(seq)[2] == 6);
}
template <typename T> inline T& value(T& v) { return v; }
template <typename K, typename T> inline T& value(boost::fusion::pair<K, T>& v) { return v.second; }
template <typename Sequence>
void test_at_key()
{
Sequence seq;
// zero initialized
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 0);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 0);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 0);
int (&arr)[3] = value(boost::fusion::deref(boost::fusion::begin(seq)));
arr[0] = 2;
arr[1] = 4;
arr[2] = 6;
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 4);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
boost::fusion::at_key<int[3]>(seq)[1] = 42;
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[0] == 2);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[1] == 42);
BOOST_TEST(boost::fusion::at_key<int[3]>(seq)[2] == 6);
}
int main()
{
using namespace boost::fusion;
test_at<vector<int[3]> >();
test_at<deque<int[3]> >();
test_at<list<int[3]> >();
test_at<tuple<int[3]> >();
#if !BOOST_WORKAROUND(BOOST_GCC, / 100 == 406) || defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS)
// FIXME: gcc 4.6 w/ c++0x doesn't like set with array...
test_at_key<set<int[3]> >();
#endif
test_at_key<map<pair<int[3], int[3]> > >();
return boost::report_errors();
}
|
