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- // Boost.Range library
- //
- // Copyright Neil Groves 2009. Use, modification and
- // distribution is subject to the Boost Software License, Version
- // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- //
- //
- // For more information, see http://www.boost.org/libs/range/
- //
- #include <boost/range/algorithm/count_if.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/assign.hpp>
- #include "../test_function/false_predicate.hpp"
- #include "../test_function/true_predicate.hpp"
- #include "../test_function/equal_to_x.hpp"
- #include <algorithm>
- #include <list>
- #include <set>
- #include <vector>
- namespace boost
- {
- namespace
- {
- template< class Container >
- void test_count_if_impl()
- {
- using namespace boost::range_test_function;
- using namespace boost::assign;
- typedef equal_to_x<int> pred_t;
- typedef BOOST_DEDUCED_TYPENAME std::iterator_traits<BOOST_DEDUCED_TYPENAME Container::iterator>::difference_type diff_t;
- Container cont;
- const Container& cref_cont = cont;
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) );
- cont += 1;
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) );
- cont += 2,3,4,5,6,7,8,9;
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) );
- cont += 2;
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, pred_t(0)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), pred_t(0)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(cref_cont, pred_t(1)) );
- BOOST_CHECK_EQUAL( 1u, boost::count_if(boost::make_iterator_range(cont), pred_t(1)) );
- BOOST_CHECK_EQUAL( 2u, boost::count_if(cont, pred_t(2)) );
- BOOST_CHECK_EQUAL( 2u, boost::count_if(cref_cont, pred_t(2)) );
- BOOST_CHECK_EQUAL( 2u, boost::count_if(boost::make_iterator_range(cont), pred_t(2)) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cont, false_predicate()) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(cref_cont, false_predicate()) );
- BOOST_CHECK_EQUAL( 0u, boost::count_if(boost::make_iterator_range(cont), false_predicate()) );
- BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(cont, true_predicate()) );
- BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(cref_cont, true_predicate()) );
- BOOST_CHECK_EQUAL( static_cast<diff_t>(cont.size()), boost::count_if(boost::make_iterator_range(cont), true_predicate()) );
- }
- void test_count_if()
- {
- test_count_if_impl< std::vector<int> >();
- test_count_if_impl< std::list<int> >();
- test_count_if_impl< std::multiset<int> >();
- }
- }
- }
- boost::unit_test::test_suite*
- init_unit_test_suite(int argc, char* argv[])
- {
- boost::unit_test::test_suite* test
- = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.count_if" );
- test->add( BOOST_TEST_CASE( &boost::test_count_if ) );
- return test;
- }
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