1// Boost.Assign library
2//
3// Copyright Thorsten Ottosen 2003-2004. Use, modification and
4// distribution is subject to the Boost Software License, Version
5// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
6// http://www.boost.org/LICENSE_1_0.txt)
7//
8// For more information, see http://www.boost.org/libs/assign/
9//
10
11
12#include <boost/detail/workaround.hpp>
13
14#if BOOST_WORKAROUND(BOOST_BORLANDC, BOOST_TESTED_AT(0x564))
15# pragma warn -8091 // suppress warning in Boost.Test
16# pragma warn -8057 // unused argument argc/argv in Boost.Test
17#endif
18
19#include <boost/assign/list_inserter.hpp>
20#include <boost/test/test_tools.hpp>
21#include <boost/function.hpp>
22#include <boost/bind.hpp>
23#include <vector>
24#include <stdexcept>
25
26namespace ba = boost::assign;
27
28
29
30template< class C >
31class range_inserter
32{
33 typedef typename C::iterator iterator;
34 iterator begin, end;
35public:
36 range_inserter( C& c )
37 : begin( c.begin() ), end( c.end() )
38 { }
39
40 template< class T >
41 void operator()( T r )
42 {
43 if( begin == end )
44 throw std::range_error( "range error: <range_inserter>" );
45 *begin = r;
46 ++begin;
47 }
48};
49
50
51
52template< class C >
53inline range_inserter<C> make_range_inserter( C& c )
54{
55 return range_inserter<C>( c );
56}
57
58
59
60template< class T >
61class my_vector
62{
63 typedef std::vector<T> vector_t;
64 typedef typename vector_t::size_type size_type;
65 vector_t data_;
66
67public:
68 my_vector() : data_( 10, 0 )
69 { }
70
71 ba::list_inserter< range_inserter< vector_t >, T >
72 operator=( T r )
73 {
74 return ba::make_list_inserter( make_range_inserter( data_ ) )( r );
75 }
76
77 size_type size() const
78 {
79 return data_.size();
80 }
81
82 const T& operator[]( size_type index )
83 {
84 return data_.at( index );
85 }
86};
87
88
89
90void check_list_inserter()
91{
92 using namespace std;
93 using namespace boost::assign;
94
95 my_vector<int> vec;
96 vec = 1,2,3,4,5,6,7,8,9,10;
97 BOOST_CHECK_EQUAL( vec.size(), 10u );
98 BOOST_CHECK_EQUAL( vec[0], 1 );
99 BOOST_CHECK_EQUAL( vec[9], 10 );
100}
101
102
103
104#include <boost/test/unit_test.hpp>
105using boost::unit_test::test_suite;
106
107test_suite* init_unit_test_suite( int argc, char* argv[] )
108{
109 test_suite* test = BOOST_TEST_SUITE( "List Test Suite" );
110
111 test->add( BOOST_TEST_CASE( &check_list_inserter ) );
112
113 return test;
114}
115
116

source code of boost/libs/assign/test/my_vector_example.cpp