1 /* tests using std::get on boost:array
2  * (C) Copyright Marshall Clow 2012
3  * Distributed under the Boost Software License, Version 1.0. (See
4  * accompanying file LICENSE_1_0.txt or copy at
5  * http://www.boost.org/LICENSE_1_0.txt)
6  */
7 
8 #include <string>
9 #include <iostream>
10 #include <boost/array.hpp>
11 #include <algorithm>
12 #ifndef BOOST_NO_CXX11_HDR_ARRAY
13 #include <array>
14 #endif
15 
16 #include <boost/core/lightweight_test_trait.hpp>
17 
18 namespace {
19 
20     #ifndef BOOST_NO_CXX11_HDR_ARRAY
21     template< class T >
RunStdTests()22     void    RunStdTests()
23     {
24         typedef boost::array< T, 5 >    test_type;
25         typedef T arr[5];
26         test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
27 
28         T &aRef = std::get<0> ( test_case );
29         BOOST_TEST ( &*test_case.begin () == &aRef );
30 
31         const T &caRef = std::get<0> ( test_case );
32         BOOST_TEST ( &*test_case.cbegin () == &caRef );
33     }
34     #endif
35 
36     template< class T >
RunBoostTests()37     void    RunBoostTests()
38     {
39         typedef boost::array< T, 5 >    test_type;
40         typedef T arr[5];
41         test_type           test_case; //   =   { 1, 1, 2, 3, 5 };
42 
43         T &aRef = boost::get<5> ( test_case );
44         BOOST_TEST ( &*test_case.begin () == &aRef );
45     }
46 
47 }
48 
main()49 int main()
50 {
51     RunBoostTests< bool >();
52     RunBoostTests< void * >();
53     RunBoostTests< long double >();
54     RunBoostTests< std::string >();
55 
56 #ifndef BOOST_NO_CXX11_HDR_ARRAY
57     RunStdTests< bool >();
58     RunStdTests< void * >();
59     RunStdTests< long double >();
60     RunStdTests< std::string >();
61 #endif
62 
63     return boost::report_errors();
64 }
65 
66