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- /*=============================================================================
- 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();
- }
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