forked from boostorg/unordered
		
	
		
			
				
	
	
		
			379 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			379 lines
		
	
	
		
			13 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
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// Copyright 2005-2009 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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#if defined(BOOST_MSVC)
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#pragma warning(push)
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#pragma warning(disable:4100) // unreferenced formal parameter
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#pragma warning(disable:4610) // class can never be instantiated
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#pragma warning(disable:4510) // default constructor could not be generated
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#endif
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#include <boost/concept_check.hpp>
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#if defined(BOOST_MSVC)
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#pragma warning(pop)
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#endif
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#include <boost/mpl/assert.hpp>
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#include <boost/mpl/bool.hpp>
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#include <boost/type_traits/is_same.hpp>
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#include <boost/type_traits/is_convertible.hpp>
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#include <boost/iterator/iterator_traits.hpp>
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#include <boost/limits.hpp>
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#include "../helpers/check_return_type.hpp"
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typedef long double comparison_type;
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template <class T> void sink(T const&) {}
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template <class T> T rvalue(T const& v) { return v; }
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template <class X, class T>
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void container_test(X& r, T const&)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
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    typedef BOOST_DEDUCED_TYPENAME X::const_iterator const_iterator;
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    typedef BOOST_DEDUCED_TYPENAME X::difference_type difference_type;
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    typedef BOOST_DEDUCED_TYPENAME X::size_type size_type;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_value<iterator>::type iterator_value_type;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_value<const_iterator>::type const_iterator_value_type;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<iterator>::type iterator_difference_type;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<const_iterator>::type
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            const_iterator_difference_type;
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    typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
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    typedef BOOST_DEDUCED_TYPENAME X::reference reference;
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    typedef BOOST_DEDUCED_TYPENAME X::const_reference const_reference;
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    // value_type
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    BOOST_MPL_ASSERT((boost::is_same<T, value_type>));
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    boost::function_requires<boost::CopyConstructibleConcept<X> >();
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    // reference_type / const_reference_type
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    BOOST_MPL_ASSERT((boost::is_same<T&, reference>));
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    BOOST_MPL_ASSERT((boost::is_same<T const&, const_reference>));
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    // iterator
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    boost::function_requires<boost::InputIteratorConcept<iterator> >();
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    BOOST_MPL_ASSERT((boost::is_same<T, iterator_value_type>));
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    BOOST_MPL_ASSERT((boost::is_convertible<iterator, const_iterator>));
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    // const_iterator
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    boost::function_requires<boost::InputIteratorConcept<const_iterator> >();
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    BOOST_MPL_ASSERT((boost::is_same<T, const_iterator_value_type>));
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    // difference_type
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    BOOST_MPL_ASSERT((boost::mpl::bool_<
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                std::numeric_limits<difference_type>::is_signed>));
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    BOOST_MPL_ASSERT((boost::mpl::bool_<
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                std::numeric_limits<difference_type>::is_integer>));
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    BOOST_MPL_ASSERT((boost::is_same<difference_type,
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                iterator_difference_type>));
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    BOOST_MPL_ASSERT((boost::is_same<difference_type,
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                const_iterator_difference_type>));
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    // size_type
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    BOOST_MPL_ASSERT_NOT((boost::mpl::bool_<
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                std::numeric_limits<size_type>::is_signed>));
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    BOOST_MPL_ASSERT((boost::mpl::bool_<
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                std::numeric_limits<size_type>::is_integer>));
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    // size_type can represent any non-negative value type of difference_type
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    // I'm not sure about either of these tests...
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    size_type max_diff((std::numeric_limits<difference_type>::max)());
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    difference_type converted_diff(max_diff);
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    BOOST_TEST((std::numeric_limits<difference_type>::max)()
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            == converted_diff);
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    BOOST_TEST(
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        static_cast<comparison_type>(
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            (std::numeric_limits<size_type>::max)()) >
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        static_cast<comparison_type>(
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            (std::numeric_limits<difference_type>::max)()));
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    // I don't test the runtime post-conditions here.
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    X u;
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    BOOST_TEST(u.size() == 0);
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    BOOST_TEST(X().size() == 0);
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    X a,b;
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    sink(X(a));
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    X u2(a);
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    X u3 = a;
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    X* ptr = new X();
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    X& a1 = *ptr;
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    (&a1)->~X();
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    X const a_const;
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    test::check_return_type<iterator>::equals(a.begin());
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    test::check_return_type<const_iterator>::equals(a_const.begin());
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    test::check_return_type<const_iterator>::equals(a.cbegin());
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    test::check_return_type<const_iterator>::equals(a_const.cbegin());
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    test::check_return_type<iterator>::equals(a.end());
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    test::check_return_type<const_iterator>::equals(a_const.end());
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    test::check_return_type<const_iterator>::equals(a.cend());
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    test::check_return_type<const_iterator>::equals(a_const.cend());
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    a.swap(b);
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    test::check_return_type<X>::equals_ref(r = a);
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    test::check_return_type<size_type>::equals(a.size());
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    test::check_return_type<size_type>::equals(a.max_size());
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    test::check_return_type<bool>::convertible(a.empty());
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    // Allocator
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    typedef BOOST_DEDUCED_TYPENAME X::allocator_type allocator_type;
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    test::check_return_type<allocator_type>::equals(a_const.get_allocator());
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}
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template <class X, class Key>
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void unordered_set_test(X&, Key const&)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
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    typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
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    BOOST_MPL_ASSERT((boost::is_same<value_type, key_type>));
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}
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template <class X, class Key, class T>
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void unordered_map_test(X& r, Key const& k, T const& v)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::value_type value_type;
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    typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
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    BOOST_MPL_ASSERT((
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        boost::is_same<value_type, std::pair<key_type const, T> >));
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    r.insert(std::pair<Key const, T>(k, v));
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    Key k_lvalue(k);
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    T v_lvalue(v);
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    r.emplace(k, v);
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    r.emplace(k_lvalue, v_lvalue);
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    r.emplace(rvalue(k), rvalue(v));
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}
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template <class X>
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void equality_test(X& r)
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{
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    X const a = r, b = r;
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    test::check_return_type<bool>::equals(a == b);
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    test::check_return_type<bool>::equals(a != b);
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}
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template <class X, class T>
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void unordered_unique_test(X& r, T const& t)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
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    test::check_return_type<std::pair<iterator, bool> >::equals(r.insert(t));
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    test::check_return_type<std::pair<iterator, bool> >::equals(r.emplace(t));
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}
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template <class X, class T>
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void unordered_equivalent_test(X& r, T const& t)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
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    test::check_return_type<iterator>::equals(r.insert(t));
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    test::check_return_type<iterator>::equals(r.emplace(t));
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}
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template <class X, class Key, class T>
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void unordered_map_functions(X&, Key const& k, T const&)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::mapped_type mapped_type;
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    X a;
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    test::check_return_type<mapped_type>::equals_ref(a[k]);
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    test::check_return_type<mapped_type>::equals_ref(a.at(k));
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    X const b = a;
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    test::check_return_type<mapped_type const>::equals_ref(b.at(k));
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}
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template <class X, class Key, class T, class Hash, class Pred>
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void unordered_test(X&, Key& k, T& t, Hash& hf, Pred& eq)
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{
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    typedef BOOST_DEDUCED_TYPENAME X::key_type key_type;
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    typedef BOOST_DEDUCED_TYPENAME X::hasher hasher;
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    typedef BOOST_DEDUCED_TYPENAME X::key_equal key_equal;
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    typedef BOOST_DEDUCED_TYPENAME X::size_type size_type;
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    typedef BOOST_DEDUCED_TYPENAME X::iterator iterator;
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    typedef BOOST_DEDUCED_TYPENAME X::const_iterator const_iterator;
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    typedef BOOST_DEDUCED_TYPENAME X::local_iterator local_iterator;
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    typedef BOOST_DEDUCED_TYPENAME X::const_local_iterator const_local_iterator;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::BOOST_ITERATOR_CATEGORY<iterator>::type
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        iterator_category;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<iterator>::type
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        iterator_difference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_pointer<iterator>::type
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        iterator_pointer;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_reference<iterator>::type
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        iterator_reference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::BOOST_ITERATOR_CATEGORY<local_iterator>::type
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        local_iterator_category;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<local_iterator>::type
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        local_iterator_difference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_pointer<local_iterator>::type
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        local_iterator_pointer;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_reference<local_iterator>::type
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        local_iterator_reference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::BOOST_ITERATOR_CATEGORY<const_iterator>::type
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        const_iterator_category;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<const_iterator>::type
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        const_iterator_difference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_pointer<const_iterator>::type
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        const_iterator_pointer;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_reference<const_iterator>::type
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        const_iterator_reference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::BOOST_ITERATOR_CATEGORY<const_local_iterator>::type
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        const_local_iterator_category;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_difference<const_local_iterator>::type
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        const_local_iterator_difference;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_pointer<const_local_iterator>::type
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        const_local_iterator_pointer;
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    typedef BOOST_DEDUCED_TYPENAME
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        boost::iterator_reference<const_local_iterator>::type
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        const_local_iterator_reference;
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    BOOST_MPL_ASSERT((boost::is_same<Key, key_type>));
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    boost::function_requires<boost::CopyConstructibleConcept<key_type> >();
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    boost::function_requires<boost::AssignableConcept<key_type> >();
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    BOOST_MPL_ASSERT((boost::is_same<Hash, hasher>));
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    test::check_return_type<std::size_t>::equals(hf(k));
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    BOOST_MPL_ASSERT((boost::is_same<Pred, key_equal>));
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    test::check_return_type<bool>::convertible(eq(k, k));
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    boost::function_requires<boost::InputIteratorConcept<local_iterator> >();
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    BOOST_MPL_ASSERT((boost::is_same<local_iterator_category,
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        iterator_category>));
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    BOOST_MPL_ASSERT((boost::is_same<local_iterator_difference,
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        iterator_difference>));
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    BOOST_MPL_ASSERT((boost::is_same<local_iterator_pointer,
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        iterator_pointer>));
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    BOOST_MPL_ASSERT((boost::is_same<local_iterator_reference,
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        iterator_reference>));
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    boost::function_requires<
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        boost::InputIteratorConcept<const_local_iterator> >();
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    BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_category,
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        const_iterator_category>));
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    BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_difference,
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        const_iterator_difference>));
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    BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_pointer,
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        const_iterator_pointer>));
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    BOOST_MPL_ASSERT((boost::is_same<const_local_iterator_reference,
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        const_iterator_reference>));
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    X(10, hf, eq);
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    X a(10, hf, eq);
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    X(10, hf);
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    X a2(10, hf);
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    X(10);
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    X a3(10);
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    X();
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    X a4;
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    BOOST_DEDUCED_TYPENAME X::value_type* i = 0;
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    BOOST_DEDUCED_TYPENAME X::value_type* j = 0;
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    X(i, j, 10, hf, eq);
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    X a5(i, j, 10, hf, eq);
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    X(i, j, 10, hf);
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    X a6(i, j, 10, hf);
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    X(i, j, 10);
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    X a7(i, j, 10);
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    X(i, j);
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    X a8(i, j);
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    X const b;
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    sink(X(b));
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    X a9(b);
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    a = b;
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    test::check_return_type<hasher>::equals(b.hash_function());
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    test::check_return_type<key_equal>::equals(b.key_eq());
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    const_iterator q = a.cbegin();
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    test::check_return_type<iterator>::equals(a.insert(q, t));
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    test::check_return_type<iterator>::equals(a.emplace_hint(q, t));
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    a.insert(i, j);
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    test::check_return_type<size_type>::equals(a.erase(k));
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    BOOST_TEST(a.empty());
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    if(a.empty()) {
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        a.insert(t);
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        q = a.cbegin();
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        test::check_return_type<iterator>::equals(a.erase(q));
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    }
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    const_iterator q1 = a.cbegin(), q2 = a.cend();
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    test::check_return_type<iterator>::equals(a.erase(q1, q2));
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    a.clear();
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    test::check_return_type<iterator>::equals(a.find(k));
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    test::check_return_type<const_iterator>::equals(b.find(k));
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    test::check_return_type<size_type>::equals(b.count(k));
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    test::check_return_type<std::pair<iterator, iterator> >::equals(
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            a.equal_range(k));
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    test::check_return_type<std::pair<const_iterator, const_iterator> >::equals(
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            b.equal_range(k));
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    test::check_return_type<size_type>::equals(b.bucket_count());
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    test::check_return_type<size_type>::equals(b.max_bucket_count());
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    test::check_return_type<size_type>::equals(b.bucket(k));
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    test::check_return_type<size_type>::equals(b.bucket_size(0));
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    test::check_return_type<local_iterator>::equals(a.begin(0));
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    test::check_return_type<const_local_iterator>::equals(b.begin(0));
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    test::check_return_type<local_iterator>::equals(a.end(0));
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    test::check_return_type<const_local_iterator>::equals(b.end(0));
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    test::check_return_type<const_local_iterator>::equals(a.cbegin(0));
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    test::check_return_type<const_local_iterator>::equals(b.cbegin(0));
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    test::check_return_type<const_local_iterator>::equals(a.cend(0));
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    test::check_return_type<const_local_iterator>::equals(b.cend(0));
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    test::check_return_type<float>::equals(b.load_factor());
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    test::check_return_type<float>::equals(b.max_load_factor());
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    a.max_load_factor((float) 2.0);
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    a.rehash(100);
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}
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