1 // Boost.Range library
2 //
3 // Copyright Neil Groves 2010. 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 #include <boost/range/algorithm_ext/copy_n.hpp>
12
13 #include <boost/test/test_tools.hpp>
14 #include <boost/test/unit_test.hpp>
15
16 #include <boost/range/iterator.hpp>
17 #include <algorithm>
18 #include <list>
19 #include <vector>
20
21 namespace
22 {
23 template< class Container >
test_copy_n_impl()24 void test_copy_n_impl()
25 {
26 std::vector<std::size_t> source;
27 for (std::size_t i = 0; i < 10; ++i)
28 source.push_back(i);
29
30 for (std::size_t k = 0; k < 10; ++k)
31 {
32 std::vector<std::size_t> reference;
33 for (std::size_t j = 0; j < k; ++j)
34 reference.push_back(j);
35
36 Container test;
37 boost::copy_n(source, k, std::back_inserter(test));
38
39 BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
40 test.begin(), test.end() );
41 }
42 }
43
test_copy_n()44 void test_copy_n()
45 {
46 test_copy_n_impl< std::vector<std::size_t> >();
47 test_copy_n_impl< std::list<std::size_t> >();
48 }
49 }
50
51 boost::unit_test::test_suite*
init_unit_test_suite(int argc,char * argv[])52 init_unit_test_suite(int argc, char* argv[])
53 {
54 boost::unit_test::test_suite* test
55 = BOOST_TEST_SUITE( "RangeTestSuite.algorithm_ext.copy_n" );
56
57 test->add( BOOST_TEST_CASE( &test_copy_n ) );
58
59 return test;
60 }
61