ceph/src/boost/libs/range/test/algorithm_test/generate.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/generate.hpp>
  12
  13 #include <boost/test/test_tools.hpp>
  14 #include <boost/test/unit_test.hpp>
  15
  16 #include <boost/assign.hpp>
  17 #include <algorithm>
  18 #include <functional>
  19 #include <list>
  20 #include <numeric>
  21 #include <deque>
  22 #include <vector>
  23
  24 namespace boost
  25 {
  26     namespace
  27     {
  28         class generator_fn
  29         {
  30         public:
  31             typedef int result_type;
  32
  33             generator_fn() : m_count(0) {}
  34             int operator()() { return ++m_count; }
  35
  36         private:
  37             int m_count;
  38         };
  39
  40         template< class Container >
  41         void test_generate_impl(Container& cont)
  42         {
  43             Container reference(cont);
  44             std::generate(reference.begin(), reference.end(), generator_fn());
  45
  46             Container test(cont);
  47             boost::generate(test, generator_fn());
  48
  49             BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
  50                 test.begin(), test.end() );
  51
  52             Container test2(cont);
  53             boost::generate(boost::make_iterator_range(test2), generator_fn());
  54
  55             BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(),
  56                                            test2.begin(), test2.end() );
  57         }
  58
  59         template< class Container >
  60         void test_generate_impl()
  61         {
  62             using namespace boost::assign;
  63
  64             Container cont;
  65             test_generate_impl(cont);
  66
  67             cont.clear();
  68             cont += 9;
  69             test_generate_impl(cont);
  70
  71             cont.clear();
  72             cont += 9,8,7,6,5,4,3,2,1;
  73             test_generate_impl(cont);
  74         }
  75
  76         void test_generate()
  77         {
  78             test_generate_impl< std::vector<int> >();
  79             test_generate_impl< std::list<int> >();
  80             test_generate_impl< std::deque<int> >();
  81         }
  82     }
  83 }
  84
  85
  86 boost::unit_test::test_suite*
  87 init_unit_test_suite(int argc, char* argv[])
  88 {
  89     boost::unit_test::test_suite* test
  90         = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.generate" );
  91
  92     test->add( BOOST_TEST_CASE( &boost::test_generate ) );
  93
  94     return test;
  95 }