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Repair postfix increment proxies for input iterators

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[SVN r23508]
This commit is contained in:
Dave Abrahams
2004-07-13 17:23:53 +00:00
parent f49f68c8fe
commit 2721c3c97e
3 changed files with 92 additions and 25 deletions
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12
test/iterator_facade.cpp
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@ -6,16 +6,17 @@
#include <boost/iterator/iterator_facade.hpp>
#include <boost/iterator/new_iterator_tests.hpp>
#include <boost/assert.hpp>
// This is a really, really limited test so far. All we're doing
// right now is checking that the postfix++ proxy for single-pass
// iterators works properly.
template <class Ref>
template <class Ref, class CategoryOrTraversal = boost::single_pass_traversal_tag>
class counter_iterator
: public boost::iterator_facade<
counter_iterator<Ref>
counter_iterator<Ref, CategoryOrTraversal>
, int const
, boost::single_pass_traversal_tag
, CategoryOrTraversal
, Ref
>
{
@ -62,6 +63,9 @@ int main()
boost::readable_iterator_test(counter_iterator<int const&>(&state), 0);
state = 3;
boost::readable_iterator_test(counter_iterator<proxy>(&state), 3);
boost::writable_iterator_test(counter_iterator<proxy>(&state), 9);
state = 5;
boost::readable_iterator_test(counter_iterator<proxy,std::output_iterator_tag>(&state), 5);
boost::writable_iterator_test(counter_iterator<proxy,std::output_iterator_tag>(&state), 9, 7);
BOOST_ASSERT(state == 7);
return 0;
}