| // Boost.Range library |
| // |
| // Copyright Thorsten Ottosen & Larry Evans 2003-2005. 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/as_array.hpp> |
| |
| #include <boost/detail/workaround.hpp> |
| |
| #if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
| # pragma warn -8091 // supress warning in Boost.Test |
| # pragma warn -8057 // unused argument argc/argv in Boost.Test |
| #endif |
| |
| #include <boost/range/iterator_range.hpp> |
| #include <boost/range/functions.hpp> |
| #include <boost/range/as_literal.hpp> |
| #include <boost/test/test_tools.hpp> |
| #include <boost/test/unit_test.hpp> |
| #include <iostream> |
| #include <string> |
| #include <vector> |
| |
| void check_reference_type(); |
| |
| void check_iterator_range() |
| { |
| |
| typedef std::string::iterator iterator; |
| typedef std::string::const_iterator const_iterator; |
| typedef boost::iterator_range<iterator> irange; |
| typedef boost::iterator_range<const_iterator> cirange; |
| std::string str = "hello world"; |
| const std::string cstr = "const world"; |
| irange r = boost::make_iterator_range( str ); |
| r = boost::make_iterator_range( str.begin(), str.end() ); |
| cirange r2 = boost::make_iterator_range( cstr ); |
| r2 = boost::make_iterator_range( cstr.begin(), cstr.end() ); |
| r2 = boost::make_iterator_range( str ); |
| |
| BOOST_CHECK( !r.empty() ); |
| BOOST_CHECK( !r2.empty() ); |
| |
| //#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x564)) |
| // if( !(bool)r ) |
| // BOOST_CHECK( false ); |
| // if( !(bool)r2 ) |
| // BOOST_CHECK( false ); |
| //#else |
| if( !r ) |
| BOOST_CHECK( false ); |
| if( !r2 ) |
| BOOST_CHECK( false ); |
| //#endif |
| |
| BOOST_CHECK_EQUAL( r.size(), size( r ) ); |
| BOOST_CHECK_EQUAL( r2.size(), size( r2 ) ); |
| |
| BOOST_CHECK_EQUAL( std::distance( r.begin(), r.end() ), |
| std::distance( boost::begin( r2 ), boost::end( r2 ) ) ); |
| std::cout << r << r2; |
| |
| |
| #ifndef BOOST_NO_STD_WSTRING |
| std::wcout << boost::make_iterator_range( std::wstring( L"a wide string" ) ) |
| << boost::make_iterator_range( L"another wide string" ); |
| #endif |
| |
| std::string res = boost::copy_range<std::string>( r ); |
| BOOST_CHECK_EQUAL_COLLECTIONS( res.begin(), res.end(), r.begin(), r.end() ); |
| |
| irange rr = boost::make_iterator_range( str ); |
| BOOST_CHECK( rr.equal( r ) ); |
| |
| rr = boost::make_iterator_range( str.begin(), str.begin() + 5 ); |
| BOOST_CHECK( rr == boost::as_literal("hello") ); |
| BOOST_CHECK( rr != boost::as_literal("hell") ); |
| BOOST_CHECK( rr < boost::as_literal("hello dude") ); |
| BOOST_CHECK( boost::as_literal("hello") == rr ); |
| BOOST_CHECK( boost::as_literal("hell") != rr ); |
| BOOST_CHECK( ! (boost::as_literal("hello dude") < rr ) ); |
| irange rrr = rr; |
| BOOST_CHECK( rrr == rr ); |
| BOOST_CHECK( !( rrr != rr ) ); |
| BOOST_CHECK( !( rrr < rr ) ); |
| |
| const irange cr = boost::make_iterator_range( str ); |
| BOOST_CHECK_EQUAL( cr.front(), 'h' ); |
| BOOST_CHECK_EQUAL( cr.back(), 'd' ); |
| BOOST_CHECK_EQUAL( cr[1], 'e' ); |
| BOOST_CHECK_EQUAL( cr(1), 'e' ); |
| |
| rrr = boost::make_iterator_range( str, 1, -1 ); |
| BOOST_CHECK( rrr == boost::as_literal("ello worl") ); |
| rrr = boost::make_iterator_range( rrr, -1, 1 ); |
| BOOST_CHECK( rrr == str ); |
| |
| check_reference_type(); |
| } |
| |
| namespace iterator_range_test_detail |
| { |
| struct less |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l < r; |
| } |
| }; |
| |
| struct greater |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l > r; |
| } |
| }; |
| |
| struct less_or_equal |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l <= r; |
| } |
| }; |
| |
| struct greater_or_equal |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l >= r; |
| } |
| }; |
| |
| struct equal_to |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l == r; |
| } |
| }; |
| |
| struct not_equal_to |
| { |
| template< class Left, class Right > |
| bool operator()(const Left& l, const Right& r) const |
| { |
| return l != r; |
| } |
| }; |
| |
| template< class Pred > |
| void check_iterator_range_operators_impl(Pred pred) |
| { |
| std::vector<std::string> vals; |
| vals.push_back(std::string()); |
| vals.push_back("a"); |
| vals.push_back("b"); |
| vals.push_back("z"); |
| vals.push_back("ab"); |
| vals.push_back("ba"); |
| vals.push_back("abc"); |
| vals.push_back("cba"); |
| vals.push_back("aa"); |
| vals.push_back("aaa"); |
| vals.push_back("aab"); |
| vals.push_back("bba"); |
| |
| typedef std::string::const_iterator citer; |
| typedef boost::iterator_range<citer> iter_range; |
| |
| typedef std::vector<std::string>::const_iterator value_const_iterator; |
| value_const_iterator first_val = vals.begin(); |
| value_const_iterator last_val = vals.end(); |
| |
| for (value_const_iterator left_it = first_val; left_it != last_val; ++left_it) |
| { |
| const std::string& leftValue = *left_it; |
| for (value_const_iterator right_it = first_val; right_it != last_val; ++right_it) |
| { |
| const std::string& rightValue = *right_it; |
| iter_range left = boost::make_iterator_range(leftValue); |
| iter_range right = boost::make_iterator_range(rightValue); |
| |
| const bool reference = pred(leftValue, rightValue); |
| |
| BOOST_CHECK_EQUAL( pred(left, right), reference ); |
| BOOST_CHECK_EQUAL( pred(left, rightValue), reference ); |
| BOOST_CHECK_EQUAL( pred(leftValue, right), reference ); |
| } |
| } |
| } |
| |
| void check_iterator_range_from_array() |
| { |
| double source[] = { 0.0, 1.0, 2.0, 3.0, 4.0, 5.0 }; |
| boost::iterator_range<double*> rng = boost::make_iterator_range(source); |
| BOOST_CHECK_EQUAL_COLLECTIONS( rng.begin(), rng.end(), |
| source, source + 6 ); |
| } |
| |
| } // namespace iterator_range_test_detail |
| |
| template<typename Pred> |
| inline void check_iterator_range_operator() |
| { |
| iterator_range_test_detail::check_iterator_range_operators_impl( |
| Pred()); |
| } |
| |
| boost::unit_test::test_suite* init_unit_test_suite( int argc, char* argv[] ) |
| { |
| boost::unit_test::test_suite* test = BOOST_TEST_SUITE( "Range Test Suite" ); |
| |
| test->add(BOOST_TEST_CASE(&check_iterator_range)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::less>)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::less_or_equal>)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::greater>)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::greater_or_equal>)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::equal_to>)); |
| test->add(BOOST_TEST_CASE(&check_iterator_range_operator<iterator_range_test_detail::not_equal_to>)); |
| |
| return test; |
| } |
| |
| // |
| // |
| // Check that constness is propgated correct from |
| // the iterator types. |
| // |
| // Test contributed by Larry Evans. |
| // |
| |
| template< class Container > |
| int test_iter_range( Container& a_cont ) |
| { |
| typedef BOOST_DEDUCED_TYPENAME boost::range_iterator<Container>::type citer_type; |
| typedef boost::iterator_range<citer_type> riter_type; |
| riter_type a_riter( boost::make_iterator_range( a_cont ) ); |
| a_riter.front(); |
| a_riter.back(); |
| int i = a_riter[0]; |
| return i; |
| } |
| |
| |
| |
| void check_reference_type() |
| { |
| typedef std::vector<int> veci_type; |
| veci_type a_vec; |
| a_vec.push_back( 999 ); |
| test_iter_range<veci_type>(a_vec); |
| test_iter_range<veci_type const>(a_vec); |
| } |