| // 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/uniqued.hpp> |
| #include <boost/range/adaptor/transformed.hpp> |
| #include <boost/range/algorithm/unique_copy.hpp> |
| #include <boost/range/algorithm_ext/push_back.hpp> |
| #include <boost/algorithm/string/predicate.hpp> |
| |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| |
| #include <boost/assign.hpp> |
| #include <boost/range/algorithm_ext.hpp> |
| |
| #include <algorithm> |
| #include <list> |
| #include <set> |
| #include <vector> |
| |
| namespace boost |
| { |
| namespace |
| { |
| template< class Container > |
| void uniqued_test_impl( Container& c ) |
| { |
| using namespace boost::adaptors; |
| |
| std::vector< int > test_result1; |
| boost::push_back(test_result1, c | uniqued); |
| |
| std::vector< int > test_result2; |
| boost::push_back(test_result2, adaptors::unique(c)); |
| |
| std::vector< int > reference(c.begin(), c.end()); |
| reference.erase( |
| std::unique(reference.begin(), reference.end()), |
| reference.end()); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
| test_result1.begin(), test_result1.end() ); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS( reference.begin(), reference.end(), |
| test_result2.begin(), test_result2.end() ); |
| } |
| |
| template< class Container > |
| void uniqued_test_impl() |
| { |
| using namespace boost::assign; |
| |
| Container c; |
| |
| // Test empty |
| uniqued_test_impl(c); |
| |
| // Test one |
| c += 1; |
| uniqued_test_impl(c); |
| |
| // Test many |
| c += 1,1,1,2,2,2,2,2,3,3,3,3,4,5,6,6,6,7,7,7,8,8,9,9,9,9,9,10; |
| uniqued_test_impl(c); |
| } |
| |
| void uniqued_test() |
| { |
| uniqued_test_impl< std::vector< int > >(); |
| uniqued_test_impl< std::list< int > >(); |
| uniqued_test_impl< std::set< int > >(); |
| uniqued_test_impl< std::multiset< int > >(); |
| } |
| |
| class istring |
| { |
| public: |
| istring() |
| : m_value("") |
| { |
| } |
| |
| explicit istring(const char* value) |
| : m_value(value) |
| { |
| } |
| |
| bool operator==(istring r) const |
| { |
| return boost::iequals(m_value, r.m_value); |
| } |
| |
| bool operator!=(istring r) const |
| { |
| return !operator==(r); |
| } |
| |
| inline friend std::ostream& operator<<(std::ostream& out, istring o) |
| { |
| return out << o.m_value; |
| } |
| |
| const char* get() const { return m_value; } |
| |
| private: |
| const char* m_value; |
| }; |
| |
| struct istring_to_string |
| { |
| typedef std::string result_type; |
| |
| std::string operator()(istring s) const |
| { |
| return s.get(); |
| } |
| }; |
| |
| // This is based on a test-case provided by Eric Neibler. |
| void uniqued_return_first() |
| { |
| using namespace boost::adaptors; |
| |
| std::vector<istring> strs; |
| strs.push_back(istring("hello")); |
| strs.push_back(istring("hElLo")); |
| strs.push_back(istring("HELLO")); |
| strs.push_back(istring("ZZZZ")); |
| |
| std::vector<istring> output1; |
| |
| boost::unique_copy(strs, std::back_inserter(output1)); |
| |
| std::vector<istring> output2; |
| boost::push_back(output2, strs | uniqued); |
| |
| std::vector<std::string> test1; |
| boost::push_back(test1, output1 | transformed(istring_to_string())); |
| |
| std::vector<std::string> test2; |
| boost::push_back(test2, output2 | transformed(istring_to_string())); |
| |
| BOOST_CHECK_EQUAL_COLLECTIONS(test1.begin(), test1.end(), |
| test2.begin(), test2.end()); |
| } |
| |
| } // anonymous namespace |
| } // namespace boost |
| |
| boost::unit_test::test_suite* |
| init_unit_test_suite(int argc, char* argv[]) |
| { |
| boost::unit_test::test_suite* test |
| = BOOST_TEST_SUITE( "RangeTestSuite.adaptor.uniqued" ); |
| |
| test->add( BOOST_TEST_CASE( &boost::uniqued_test ) ); |
| |
| test->add(BOOST_TEST_CASE(&boost::uniqued_return_first)); |
| |
| return test; |
| } |