ceph/src/boost/libs/range/test/algorithm_test/copy_n.cpp

   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 #include <boost/range/algorithm/copy_n.hpp>
  12
  13 #include <boost/test/test_tools.hpp>
  14 #include <boost/test/unit_test.hpp>
  15
  16 #include <boost/assign.hpp>
  17 #include <boost/range/iterator.hpp>
  18 #include <algorithm>
  19 #include <list>
  20 #include <set>
  21 #include <vector>
  22
  23 namespace
  24 {
  25     template< class Container >
  26     void test_copy_n_impl()
  27     {
  28         Container source;
  29         typedef BOOST_DEDUCED_TYPENAME Container::value_type value_t;
  30
  31         std::vector<value_t> target;
  32         target.resize(source.size());
  33
  34         typedef BOOST_DEDUCED_TYPENAME range_iterator< std::vector<value_t> >::type iterator_t;
  35         iterator_t it = boost::copy(source, target.begin());
  36
  37         BOOST_CHECK( it == target.end() );
  38
  39         BOOST_CHECK_EQUAL_COLLECTIONS(
  40             target.begin(), target.end(),
  41             source.begin(), source.end()
  42             );
  43
  44         it = boost::copy(boost::make_iterator_range(source), target.begin());
  45
  46         BOOST_CHECK( it == target.end() );
  47
  48         BOOST_CHECK_EQUAL_COLLECTIONS(target.begin(), target.end(),
  49                                       source.begin(), source.end());
  50     }
  51
  52     void test_copy_n()
  53     {
  54         test_copy_n_impl< std::vector<int> >();
  55         test_copy_n_impl< std::list<int> >();
  56         test_copy_n_impl< std::set<int> >();
  57         test_copy_n_impl< std::multiset<int> >();
  58     }
  59 }
  60
  61 boost::unit_test::test_suite*
  62 init_unit_test_suite(int argc, char* argv[])
  63 {
  64     boost::unit_test::test_suite* test
  65         = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.copy_n" );
  66
  67     test->add( BOOST_TEST_CASE( &::test_copy_n ) );
  68
  69     return test;
  70 }