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