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

   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 >
  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
  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*
  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 }