boost_unordered/test/unordered/compile_map.cpp

// Copyright 2006-2009 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)

// This test creates the containers with members that meet their minimum
// requirements. Makes sure everything compiles and is defined correctly.

// clang-format off
#include "../helpers/prefix.hpp"
#include <boost/unordered_map.hpp>
#include "../helpers/postfix.hpp"
// clang-format on

#include <iostream>
#include "../helpers/test.hpp"
#include "../objects/minimal.hpp"
#include "./compile_tests.hpp"

// Explicit instantiation to catch compile-time errors

#define INSTANTIATE(type)                                                      \
    template class boost::unordered::detail::instantiate_##type

INSTANTIATE(map)<int, int, boost::hash<int>, std::equal_to<int>,
    test::minimal::allocator<int> >;
INSTANTIATE(multimap)<int const, int const, boost::hash<int>,
    std::equal_to<int>, test::minimal::allocator<int> >;

INSTANTIATE(map)<test::minimal::assignable const,
    test::minimal::default_assignable const,
    test::minimal::hash<test::minimal::assignable>,
    test::minimal::equal_to<test::minimal::assignable>,
    test::minimal::allocator<int> >;
INSTANTIATE(multimap)<test::minimal::assignable, test::minimal::assignable,
    test::minimal::hash<test::minimal::assignable>,
    test::minimal::equal_to<test::minimal::assignable>,
    test::minimal::allocator<int> >;

UNORDERED_AUTO_TEST(test0)
{
    test::minimal::constructor_param x;

    typedef std::pair<test::minimal::assignable const,
        test::minimal::assignable>
        value_type;
    value_type value(x, x);

    std::cout << "Test unordered_map.\n";

    boost::unordered_map<int, int> int_map;

    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        int_map2;

    boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
        test::minimal::hash<test::minimal::assignable>,
        test::minimal::equal_to<test::minimal::assignable>,
        test::minimal::allocator<value_type> >
        map;

    container_test(int_map, std::pair<int const, int>(0, 0));
    container_test(int_map2, std::pair<int const, int>(0, 0));
    container_test(map, value);

    std::cout << "Test unordered_multimap.\n";

    boost::unordered_multimap<int, int> int_multimap;

    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        int_multimap2;

    boost::unordered_multimap<test::minimal::assignable,
        test::minimal::assignable,
        test::minimal::hash<test::minimal::assignable>,
        test::minimal::equal_to<test::minimal::assignable>,
        test::minimal::allocator<value_type> >
        multimap;

    container_test(int_multimap, std::pair<int const, int>(0, 0));
    container_test(int_multimap2, std::pair<int const, int>(0, 0));
    container_test(multimap, value);
}

UNORDERED_AUTO_TEST(equality_tests)
{
    typedef std::pair<
        test::minimal::copy_constructible_equality_comparable const,
        test::minimal::copy_constructible_equality_comparable>
        value_type;

    boost::unordered_map<int, int> int_map;

    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        int_map2;

    boost::unordered_map<
        test::minimal::copy_constructible_equality_comparable,
        test::minimal::copy_constructible_equality_comparable,
        test::minimal::hash<
            test::minimal::copy_constructible_equality_comparable>,
        test::minimal::equal_to<
            test::minimal::copy_constructible_equality_comparable>,
        test::minimal::allocator<value_type> >
        map;

    equality_test(int_map);
    equality_test(int_map2);
    equality_test(map);

    boost::unordered_multimap<int, int> int_multimap;

    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        int_multimap2;

    boost::unordered_multimap<
        test::minimal::copy_constructible_equality_comparable,
        test::minimal::copy_constructible_equality_comparable,
        test::minimal::hash<
            test::minimal::copy_constructible_equality_comparable>,
        test::minimal::equal_to<
            test::minimal::copy_constructible_equality_comparable>,
        test::minimal::allocator<value_type> >
        multimap;

    equality_test(int_multimap);
    equality_test(int_multimap2);
    equality_test(multimap);
}

UNORDERED_AUTO_TEST(test1)
{
    boost::hash<int> hash;
    std::equal_to<int> equal_to;
    int value = 0;
    std::pair<int const, int> map_value(0, 0);

    std::cout << "Test unordered_map.\n";

    boost::unordered_map<int, int> map;

    boost::unordered_map<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        map2;

    unordered_unique_test(map, map_value);
    unordered_map_test(map, value, value);
    unordered_copyable_test(map, value, map_value, hash, equal_to);
    unordered_map_functions(map, value, value);

    unordered_unique_test(map2, map_value);
    unordered_map_test(map2, value, value);
    unordered_copyable_test(map2, value, map_value, hash, equal_to);
    unordered_map_functions(map2, value, value);

    std::cout << "Test unordered_multimap.\n";

    boost::unordered_multimap<int, int> multimap;

    boost::unordered_multimap<int, int, boost::hash<int>, std::equal_to<int>,
        test::minimal::cxx11_allocator<std::pair<int const, int> > >
        multimap2;

    unordered_equivalent_test(multimap, map_value);
    unordered_map_test(multimap, value, value);
    unordered_copyable_test(multimap, value, map_value, hash, equal_to);

    unordered_equivalent_test(multimap2, map_value);
    unordered_map_test(multimap2, value, value);
    unordered_copyable_test(multimap2, value, map_value, hash, equal_to);
}

UNORDERED_AUTO_TEST(test2)
{
    test::minimal::constructor_param x;

    test::minimal::assignable assignable(x);
    test::minimal::copy_constructible copy_constructible(x);
    test::minimal::hash<test::minimal::assignable> hash(x);
    test::minimal::equal_to<test::minimal::assignable> equal_to(x);

    typedef std::pair<test::minimal::assignable const,
        test::minimal::assignable>
        map_value_type;
    map_value_type map_value(assignable, assignable);

    std::cout << "Test unordered_map.\n";

    boost::unordered_map<test::minimal::assignable, test::minimal::assignable,
        test::minimal::hash<test::minimal::assignable>,
        test::minimal::equal_to<test::minimal::assignable>,
        test::minimal::allocator<map_value_type> >
        map;

    unordered_unique_test(map, map_value);
    unordered_map_test(map, assignable, assignable);
    unordered_copyable_test(map, assignable, map_value, hash, equal_to);
    unordered_map_member_test(map, map_value);

    boost::unordered_map<test::minimal::assignable,
        test::minimal::default_assignable,
        test::minimal::hash<test::minimal::assignable>,
        test::minimal::equal_to<test::minimal::assignable>,
        test::minimal::allocator<map_value_type> >
        map2;

    test::minimal::default_assignable default_assignable;

    unordered_map_functions(map2, assignable, default_assignable);

    std::cout << "Test unordered_multimap.\n";

    boost::unordered_multimap<test::minimal::assignable,
        test::minimal::assignable,
        test::minimal::hash<test::minimal::assignable>,
        test::minimal::equal_to<test::minimal::assignable>,
        test::minimal::allocator<map_value_type> >
        multimap;

    unordered_equivalent_test(multimap, map_value);
    unordered_map_test(multimap, assignable, assignable);
    unordered_copyable_test(multimap, assignable, map_value, hash, equal_to);
    unordered_map_member_test(multimap, map_value);
}

// Test for ambiguity when using key convertible from iterator
// See LWG2059

struct lwg2059_key
{
    int value;

    template <typename T> lwg2059_key(T v) : value(v) {}
};

std::size_t hash_value(lwg2059_key x)
{
    return static_cast<std::size_t>(x.value);
}

bool operator==(lwg2059_key x, lwg2059_key y) { return x.value == y.value; }

UNORDERED_AUTO_TEST(lwg2059)
{
    {
        boost::unordered_map<lwg2059_key, int> x;
        x.emplace(lwg2059_key(10), 5);
        x.erase(x.begin());
    }

    {
        boost::unordered_multimap<lwg2059_key, int> x;
        x.emplace(lwg2059_key(10), 5);
        x.erase(x.begin());
    }
}

RUN_TESTS()