123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131 |
- // 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/find.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/assign.hpp>
- #include "../test_driver/range_return_test_driver.hpp"
- #include <algorithm>
- #include <functional>
- #include <list>
- #include <numeric>
- #include <deque>
- #include <vector>
- namespace boost_range_test_algorithm_find
- {
- class find_test_policy
- {
- public:
- template<class Container>
- BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
- test_iter(Container& cont)
- {
- typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type iter_t;
- iter_t result = boost::find(cont, 3);
- iter_t result2 = boost::find(boost::make_iterator_range(cont), 3);
- BOOST_CHECK( result == result2 );
- return result;
- }
- template<boost::range_return_value return_type>
- struct test_range
- {
- template<class Container, class Policy>
- BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type
- operator()(Policy&, Container& cont)
- {
- typedef BOOST_DEDUCED_TYPENAME boost::range_return<Container,return_type>::type result_t;
- result_t result = boost::find<return_type>(cont, 3);
- result_t result2 = boost::find<return_type>(boost::make_iterator_range(cont), 3);
- BOOST_CHECK( result == result2 );
- return result;
- }
- };
- template<class Container>
- BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type
- reference(Container& cont)
- {
- return std::find(cont.begin(), cont.end(), 3);
- }
- };
- template<class Container>
- void test_find_container()
- {
- using namespace boost::assign;
- typedef BOOST_DEDUCED_TYPENAME boost::remove_const<Container>::type container_t;
- boost::range_test::range_return_test_driver test_driver;
- container_t mcont;
- Container& cont = mcont;
- test_driver(cont, find_test_policy());
- mcont.clear();
- mcont += 1;
- test_driver(cont, find_test_policy());
- mcont.clear();
- mcont += 1,2,3,4,5,6,7,8,9;
- test_driver(cont, find_test_policy());
- }
- void test_find()
- {
- test_find_container< std::vector<int> >();
- test_find_container< std::list<int> >();
- test_find_container< std::deque<int> >();
- test_find_container< const std::vector<int> >();
- test_find_container< const std::list<int> >();
- test_find_container< const std::deque<int> >();
- std::vector<int> vi;
- const std::vector<int>& cvi = vi;
- std::vector<int>::const_iterator it = boost::find(vi, 0);
- std::vector<int>::const_iterator it2 = boost::find(cvi, 0);
- BOOST_CHECK( it == it2 );
- }
-
- // The find algorithm can be used like a "contains" algorithm
- // since the returned iterator_range is convertible to bool.
- // Therefore if the return value is an empty range it will
- // convert to the equivalent to "false" whereas a range that
- // is not empty will convert to "true". Therefore one can
- // use the syntax boost::find<boost::return_found_end>(rng, x)
- // as a contains function.
- void test_find_as_contains()
- {
- std::list<int> l;
- for (int i = 0; i < 10; ++i)
- l.push_back(i);
-
- BOOST_CHECK(boost::find<boost::return_found_end>(l, 3));
- BOOST_CHECK(!boost::find<boost::return_found_end>(l, 10));
- }
- }
- boost::unit_test::test_suite*
- init_unit_test_suite(int argc, char* argv[])
- {
- boost::unit_test::test_suite* test
- = BOOST_TEST_SUITE( "RangeTestSuite.algorithm.find" );
- test->add( BOOST_TEST_CASE( &boost_range_test_algorithm_find::test_find ) );
- test->add( BOOST_TEST_CASE( &boost_range_test_algorithm_find::test_find_as_contains ) );
- return test;
- }
|