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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/adaptor/map.hpp>
- #include <boost/test/test_tools.hpp>
- #include <boost/test/unit_test.hpp>
- #include <boost/array.hpp>
- #include <boost/assign.hpp>
- #include <boost/range/algorithm_ext.hpp>
- #include <algorithm>
- #include <map>
- #include <vector>
- namespace boost
- {
- namespace
- {
- template< class Container >
- void map_test_keys( Container& c )
- {
- using namespace boost::adaptors;
- std::vector<int> keys;
- boost::push_back(keys, c | map_keys);
- std::vector<int> keys2;
- boost::push_back(keys2, adaptors::keys(c));
- std::vector<int> reference_keys;
- typedef BOOST_DEDUCED_TYPENAME Container::const_iterator iter_t;
- for (iter_t it = c.begin(); it != c.end(); ++it)
- {
- reference_keys.push_back(it->first);
- }
- BOOST_CHECK_EQUAL_COLLECTIONS( reference_keys.begin(),
- reference_keys.end(),
- keys.begin(),
- keys.end() );
- BOOST_CHECK_EQUAL_COLLECTIONS( reference_keys.begin(),
- reference_keys.end(),
- keys2.begin(),
- keys2.end() );
- }
- template< class Container >
- void map_test_values( Container& c )
- {
- using namespace boost::adaptors;
- std::vector<int> values;
- boost::push_back(values, c | map_values);
- std::vector<int> values2;
- boost::push_back(values2, adaptors::values(c));
- std::vector<int> reference_values;
- typedef BOOST_DEDUCED_TYPENAME Container::const_iterator iter_t;
- for (iter_t it = c.begin(); it != c.end(); ++it)
- {
- reference_values.push_back(it->second);
- }
- BOOST_CHECK_EQUAL_COLLECTIONS( reference_values.begin(),
- reference_values.end(),
- values.begin(),
- values.end() );
- BOOST_CHECK_EQUAL_COLLECTIONS( reference_values.begin(),
- reference_values.end(),
- values2.begin(),
- values2.end() );
- }
- template< class Container >
- void map_test_impl()
- {
- using namespace boost::assign;
- Container c;
- // Test empty
- map_test_keys(c);
- map_test_values(c);
- // Test one element
- c.insert(std::make_pair(1,2));
- map_test_keys(c);
- map_test_values(c);
- // Test many elements
- for (int x = 2; x < 10; ++x)
- {
- c.insert(std::make_pair(x, x * 2));
- }
- map_test_keys(c);
- map_test_values(c);
- }
- void map_test()
- {
- map_test_impl< std::map<int,int> >();
- }
- void test_trac_item_4388()
- {
- typedef std::pair<int,char> pair_t;
- const boost::array<pair_t,3> ar = {{
- pair_t(3, 'a'),
- pair_t(1, 'b'),
- pair_t(4, 'c')
- }};
- const boost::array<int, 3> expected_keys = {{ 3, 1, 4 }};
- const boost::array<char, 3> expected_values = {{ 'a', 'b', 'c' }};
- {
- std::vector<int> test;
- boost::push_back(test, ar | boost::adaptors::map_keys);
- BOOST_CHECK_EQUAL_COLLECTIONS(
- expected_keys.begin(), expected_keys.end(),
- test.begin(), test.end()
- );
- }
- {
- std::vector<char> test;
- boost::push_back(test, ar | boost::adaptors::map_values);
- BOOST_CHECK_EQUAL_COLLECTIONS(
- expected_values.begin(), expected_values.end(),
- test.begin(), test.end()
- );
- }
- {
- std::vector<char> test;
- boost::array<std::pair<int, char>, 3> src(ar);
- boost::push_back(test, src | boost::adaptors::map_values);
- BOOST_CHECK_EQUAL_COLLECTIONS(
- expected_values.begin(), expected_values.end(),
- test.begin(), test.end()
- );
- }
- }
- }
- }
- boost::unit_test::test_suite*
- init_unit_test_suite(int argc, char* argv[])
- {
- boost::unit_test::test_suite* test
- = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.map" );
- test->add( BOOST_TEST_CASE( &boost::map_test ) );
- test->add( BOOST_TEST_CASE( &boost::test_trac_item_4388 ) );
- return test;
- }
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