| /*============================================================================= |
| Copyright (c) 2001-2003 Daniel Nuffer |
| Copyright (c) 2003 Hartmut Kaiser |
| http://spirit.sourceforge.net/ |
| |
| 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) |
| =============================================================================*/ |
| #include <boost/spirit/include/classic_fixed_size_queue.hpp> |
| #include <boost/mpl/assert.hpp> |
| #include <boost/type_traits/is_same.hpp> |
| #include <boost/concept_check.hpp> |
| #include <boost/detail/lightweight_test.hpp> |
| #include <iostream> |
| |
| typedef BOOST_SPIRIT_CLASSIC_NS::fixed_size_queue<int, 5> queue_t; |
| typedef queue_t::iterator iter_t; |
| typedef queue_t::const_iterator const_iter_t; |
| BOOST_CLASS_REQUIRE(const_iter_t, boost, RandomAccessIteratorConcept); |
| |
| // Right now, the iterator is not a full compliant MutableRandomAccessIterator |
| // because operator[] does not return a reference. This seems a problem in |
| // boost::iterator_adaptors. Anyway, this feature is not used in multi_pass |
| // iterator, and this class is not really meant for public use yet. |
| BOOST_CLASS_REQUIRE(iter_t, boost, RandomAccessIteratorConcept); |
| |
| int main(int, char**) |
| { |
| // Iterators are random access. |
| BOOST_MPL_ASSERT(( boost::is_same< |
| iter_t::iterator_category, |
| std::random_access_iterator_tag > )); |
| BOOST_MPL_ASSERT(( boost::is_same< |
| const_iter_t::iterator_category, |
| std::random_access_iterator_tag > )); |
| |
| queue_t q; |
| const queue_t& cq = q; |
| |
| iter_t b = q.begin(); |
| const_iter_t c = cq.begin(); |
| |
| // MSVC7.1 and EDG aren't able to compile this code for the new iterator |
| // adaptors |
| |
| // The problem here is, that the old fixed_size_queue code wasn't a complete |
| // and 'clean' iterator implementation, some of the required iterator concepts |
| // were missing. It was never meant to be exposed outside the multi_pass. So I |
| // haven't added any features while porting. The #ifdef'ed tests expose the |
| // code weaknesses ((un-)fortunately only on conformant compilers, with a quite |
| // good STL implementation). The simplest way to solve this issue was to switch |
| // of the tests for these compilers then. |
| |
| // Check comparisons and interoperations (we are comparing |
| // const and non-const iterators) |
| |
| (void) c == b; |
| (void) c+4 > b; |
| (void) c < b+4; |
| |
| return boost::report_errors(); |
| } |
| |