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iterator_adaptor_test

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[SVN r20842]
This commit is contained in:
Dave Abrahams
2003-11-18 04:08:40 +00:00
parent d51c5ebf07
commit bda5890235
1 changed files with 39 additions and 18 deletions
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57
test/iterator_adaptor_test.cpp
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@ -14,6 +14,10 @@
#include <numeric>
#include <boost/iterator/iterator_adaptor.hpp>
#if !BOOST_WORKAROUND(__MWERKS__, <= 0x2407)
# include <boost/iterator/is_readable_iterator.hpp>
# include <boost/iterator/is_lvalue_iterator.hpp>
#endif
#include <boost/pending/iterator_tests.hpp>
# include <boost/type_traits/broken_compiler_spec.hpp>
@ -26,8 +30,6 @@
#include "static_assert_same.hpp"
struct my_iterator_tag : public std::random_access_iterator_tag { };
using boost::dummyT;
struct mult_functor {
@ -83,7 +85,7 @@ struct ptr_iterator
ptr_iterator<V>
, V*
, V
, std::random_access_iterator_tag
, boost::random_access_traversal_tag
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
, V&
#endif
@ -94,7 +96,7 @@ private:
ptr_iterator<V>
, V*
, V
, std::random_access_iterator_tag
, boost::random_access_traversal_tag
#if BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x551))
, V&
#endif
@ -114,13 +116,13 @@ public:
};
// Non-functional iterator for category modification checking
template <class Iter, class Category>
struct modify_category
template <class Iter, class Traversal>
struct modify_traversal
: boost::iterator_adaptor<
modify_category<Iter, Category>
modify_traversal<Iter, Traversal>
, Iter
, boost::use_default
, Category
, Traversal
>
{};
@ -179,6 +181,12 @@ struct constant_iterator
: base_t(it) {}
};
char (& traversal(boost::incrementable_traversal_tag) )[1];
char (& traversal(boost::single_pass_traversal_tag ) )[2];
char (& traversal(boost::forward_traversal_tag ) )[3];
char (& traversal(boost::bidirectional_traversal_tag) )[4];
char (& traversal(boost::random_access_traversal_tag) )[5];
int
main()
{
@ -219,7 +227,11 @@ main()
typedef ptr_iterator<int const> Iter1;
test = static_assert_same<Iter1::value_type, int>::value;
test = static_assert_same<Iter1::reference, const int&>::value;
test = static_assert_same<Iter1::iterator_category::access, boost::readable_lvalue_iterator_tag>::value; test = static_assert_same<Iter1::pointer, const int*>::value;
#if !BOOST_WORKAROUND(__MWERKS__, <= 0x2407)
BOOST_STATIC_ASSERT(boost::is_readable_iterator<Iter1>::value);
BOOST_STATIC_ASSERT(boost::is_lvalue_iterator<Iter1>::value);
#endif
test = static_assert_same<Iter1::pointer, const int*>::value;
}
{
@ -231,17 +243,26 @@ main()
test = static_assert_same<Iter::reference, int const&>::value;
test = static_assert_same<Iter::pointer, int const*>::value;
test = static_assert_same<BaseIter::iterator_category::access, boost::writable_lvalue_iterator_tag>::value;
test = static_assert_same<Iter::iterator_category::access, boost::readable_lvalue_iterator_tag>::value;
// Test category modification
typedef modify_category<BaseIter, boost::readable_iterator_tag> ReadableIter;
test = static_assert_same<ReadableIter::iterator_category::access, boost::readable_iterator_tag>::value;
#if !BOOST_WORKAROUND(__MWERKS__, <= 0x2407)
BOOST_STATIC_ASSERT(boost::is_mutable_lvalue_iterator<BaseIter>::value);
BOOST_STATIC_ASSERT(boost::is_lvalue_iterator<Iter>::value);
#endif
typedef modify_traversal<BaseIter, boost::incrementable_traversal_tag> IncrementableIter;
typedef modify_category<BaseIter, boost::incrementable_traversal_tag> IncrementableIter;
test = static_assert_same<BaseIter::iterator_category::traversal, boost::random_access_traversal_tag>::value;
test = static_assert_same<IncrementableIter::iterator_category::traversal, boost::incrementable_traversal_tag>::value;
BaseIter::iterator_category base_cat;
boost::random_access_traversal_tag random_traversal;
BOOST_STATIC_ASSERT(
sizeof(traversal(base_cat))
== sizeof(traversal(random_traversal))
);
IncrementableIter::iterator_category incr_cat;
boost::incrementable_traversal_tag incrementable_traversal;
BOOST_STATIC_ASSERT(
sizeof(traversal(incr_cat))
== sizeof(traversal(incrementable_traversal))
);
}
// Test the iterator_adaptor