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// Copyright 2005-2009 Daniel James.
// Distributed under 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)
#if !defined(BOOST_UNORDERED_TESTS_EQUIVALENT_HEADER)
#define BOOST_UNORDERED_TESTS_EQUIVALENT_HEADER
#include "./fwd.hpp"
#include "./list.hpp"
#include "./metafunctions.hpp"
#include <algorithm>
#include <boost/core/lightweight_test.hpp>
#include <boost/unordered_map.hpp>
#include <boost/unordered_set.hpp>
namespace test {
template <class T1, class T2>
bool equivalent_impl(T1 const& x, T2 const& y, base_type)
{
return x == y;
}
template <class T>
bool equivalent_impl(
boost::hash<T> const&, boost::hash<T> const&, derived_type)
{
return true;
}
template <class T>
bool equivalent_impl(
std::equal_to<T> const&, std::equal_to<T> const&, derived_type)
{
return true;
}
template <class T1, class T2, class T3, class T4>
bool equivalent_impl(
std::pair<T1, T2> const& x1, std::pair<T3, T4> const& x2, derived_type)
{
return equivalent_impl(x1.first, x2.first, derived) &&
equivalent_impl(x1.second, x2.second, derived);
}
struct equivalent_type
{
equivalent_type() {}
template <class T1, class T2>
bool operator()(T1 const& x, T2 const& y) const
{
return equivalent_impl(x, y, derived);
}
};
const equivalent_type equivalent;
template <class Container> class unordered_equivalence_tester
{
typename Container::size_type size_;
typename Container::hasher hasher_;
typename Container::key_equal key_equal_;
float max_load_factor_;
typedef test::list<typename Container::value_type> value_list;
value_list values_;
public:
unordered_equivalence_tester(Container const& x)
: size_(x.size()), hasher_(x.hash_function()), key_equal_(x.key_eq()),
max_load_factor_(x.max_load_factor()), values_(x.begin(), x.end())
{
values_.sort();
}
bool operator()(Container const& x) const
{
if (!((size_ == x.size()) &&
(test::equivalent(hasher_, x.hash_function())) &&
(test::equivalent(key_equal_, x.key_eq())) &&
(max_load_factor_ == x.max_load_factor()) &&
(values_.size() == x.size())))
return false;
value_list copy(x.begin(), x.end());
copy.sort();
return values_ == copy;
}
private:
unordered_equivalence_tester();
};
}
#endif
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