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//[strided_example
12#include <boost/range/adaptor/strided.hpp>
13#include <boost/range/algorithm/copy.hpp>
14#include <boost/assign.hpp>
15#include <iterator>
16#include <iostream>
17#include <vector>
18
19//<-
20#include <boost/test/test_tools.hpp>
21#include <boost/test/unit_test.hpp>
22
23#include <boost/range/algorithm_ext/push_back.hpp>
24
25namespace
26{
27void strided_example_test()
28//->
29//=int main(int argc, const char* argv[])
30{
31 using namespace boost::adaptors;
32 using namespace boost::assign;
33
34 std::vector<int> input;
35 input += 1,2,3,4,5,6,7,8,9,10;
36
37 boost::copy(
38 rng: input | strided(2),
39 out: std::ostream_iterator<int>(std::cout, ","));
40
41//= return 0;
42//=}
43//]
44 std::vector<int> reference;
45 reference += 1,3,5,7,9;
46
47 std::vector<int> test;
48 boost::push_back(on&: test, from: input | strided(2));
49
50 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
51 test.begin(), test.end() );
52}
53}
54
55boost::unit_test::test_suite*
56init_unit_test_suite(int argc, char* argv[])
57{
58 boost::unit_test::test_suite* test
59 = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.strided_example" );
60
61 test->add( BOOST_TEST_CASE( &strided_example_test ) );
62
63 return test;
64}
65

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