1// Boost.Range library
2//
3// Copyright Neil Groves 2009. 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//
9// For more information, see http://www.boost.org/libs/range/
10//
11//[map_values_example
12#include <boost/range/adaptor/map.hpp>
13#include <boost/range/algorithm/copy.hpp>
14#include <boost/assign.hpp>
15#include <iterator>
16#include <iostream>
17#include <map>
18#include <vector>
19
20//<-
21#include <boost/test/test_tools.hpp>
22#include <boost/test/unit_test.hpp>
23
24#include <boost/range/algorithm_ext/push_back.hpp>
25
26namespace
27{
28void map_values_example_test()
29//->
30//=int main(int argc, const char* argv[])
31{
32 using namespace boost::assign;
33 using namespace boost::adaptors;
34
35 std::map<int,int> input;
36 for (int i = 0; i < 10; ++i)
37 input.insert(x: std::make_pair(x&: i, y: i * 10));
38
39 boost::copy(
40 rng: input | map_values,
41 out: std::ostream_iterator<int>(std::cout, ","));
42
43//= return 0;
44//=}
45//]
46 std::vector<int> reference;
47 reference += 0,10,20,30,40,50,60,70,80,90;
48
49 std::vector<int> test;
50 boost::push_back(on&: test, from: input | map_values);
51
52 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
53 test.begin(), test.end() );
54}
55}
56
57boost::unit_test::test_suite*
58init_unit_test_suite(int argc, char* argv[])
59{
60 boost::unit_test::test_suite* test
61 = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.map_values_example" );
62
63 test->add( BOOST_TEST_CASE( &map_values_example_test ) );
64
65 return test;
66}
67

source code of boost/libs/range/test/adaptor_test/map_values_example.cpp