// Copyright 2006-2010 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)

#include "../helpers/prefix.hpp"

#include <boost/unordered_set.hpp>
#include <boost/unordered_map.hpp>
#include "../helpers/test.hpp"
#include "../objects/test.hpp"
#include "../helpers/random_values.hpp"
#include "../helpers/tracker.hpp"
#include "../helpers/equivalent.hpp"
#include "../helpers/input_iterator.hpp"
#include "../helpers/invariants.hpp"

#include <iostream>

namespace constructor_tests {

test::seed_t seed(356730);

template <class T>
void constructor_tests1(T*,
    test::random_generator generator = test::default_generator)
{
    BOOST_DEDUCED_TYPENAME T::hasher hf;
    BOOST_DEDUCED_TYPENAME T::key_equal eq;
    BOOST_DEDUCED_TYPENAME T::allocator_type al;

    std::cerr<<"Construct 1\n";
    {
        T x(0, hf, eq);
        BOOST_TEST(x.empty());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 2\n";
    {
        T x(100, hf);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 100);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 3\n";
    {
        T x(2000);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 2000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 4\n";
    {
        T x;
        BOOST_TEST(x.empty());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 5\n";
    {
        test::random_values<T> v(1000, generator);
        T x(v.begin(), v.end(), 10000, hf, eq);
        BOOST_TEST(x.bucket_count() >= 10000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 6\n";
    {
        test::random_values<T> v(10, generator);
        T x(v.begin(), v.end(), 10000, hf);
        BOOST_TEST(x.bucket_count() >= 10000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 7\n";
    {
        test::random_values<T> v(100, generator);
        T x(v.begin(), v.end(), 100);
        BOOST_TEST(x.bucket_count() >= 100);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 8\n";
    {
        test::random_values<T> v(1, generator);
        T x(v.begin(), v.end());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 9\n";
    {
        T x(0, hf, eq, al);
        BOOST_TEST(x.empty());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 10\n";
    {
        test::random_values<T> v(1000, generator);
        T x(v.begin(), v.end(), 10000, hf, eq, al);
        BOOST_TEST(x.bucket_count() >= 10000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 11\n";
    {
        T x(al);
        BOOST_TEST(x.empty());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }
}

template <class T>
void constructor_tests2(T*,
    test::random_generator const& generator = test::default_generator)
{
    BOOST_DEDUCED_TYPENAME T::hasher hf;
    BOOST_DEDUCED_TYPENAME T::hasher hf1(1);
    BOOST_DEDUCED_TYPENAME T::hasher hf2(2);
    BOOST_DEDUCED_TYPENAME T::key_equal eq;
    BOOST_DEDUCED_TYPENAME T::key_equal eq1(1);
    BOOST_DEDUCED_TYPENAME T::key_equal eq2(2);
    BOOST_DEDUCED_TYPENAME T::allocator_type al;
    BOOST_DEDUCED_TYPENAME T::allocator_type al1(1);
    BOOST_DEDUCED_TYPENAME T::allocator_type al2(2);

    std::cerr<<"Construct 1\n";
    {
        T x(10000, hf1, eq1);
        BOOST_TEST(x.bucket_count() >= 10000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 2\n";
    {
        T x(100, hf1);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 100);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 3\n";
    {
        test::random_values<T> v(100, generator);
        T x(v.begin(), v.end(), 0, hf1, eq1);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

    std::cerr<<"Construct 4\n";
    {
        test::random_values<T> v(5, generator);
        T x(v.begin(), v.end(), 1000, hf1);
        BOOST_TEST(x.bucket_count() >= 1000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }


    std::cerr<<"Construct 5\n";
    {
        test::random_values<T> v(100, generator);
        T x(v.begin(), v.end(), 0, hf, eq, al1);
        T y(x.begin(), x.end(), 0, hf1, eq1, al2);
        test::check_container(x, v);
        test::check_container(y, x);
        test::check_equivalent_keys(x);
        test::check_equivalent_keys(y);
    }

    std::cerr<<"Construct 6\n";
    {
        test::random_values<T> v(100, generator);
        T x(v.begin(), v.end(), 0, hf1, eq1);
        T y(x.begin(), x.end(), 0, hf, eq);
        test::check_container(x, v);
        test::check_container(y, x);
        test::check_equivalent_keys(x);
        test::check_equivalent_keys(y);
    }

    std::cerr<<"Construct 7\n";
    {
        test::random_values<T> v(100, generator);
        T x(v.begin(), v.end(), 0, hf1, eq1);
        T y(x.begin(), x.end(), 0, hf2, eq2);
        test::check_container(x, v);
        test::check_container(y, x);
        test::check_equivalent_keys(x);
        test::check_equivalent_keys(y);
    }

    std::cerr<<"Construct 8 - from input iterator\n";
    {
        test::random_values<T> v(100, generator);
        BOOST_DEDUCED_TYPENAME test::random_values<T>::const_iterator
            v_begin = v.begin(), v_end = v.end();
        T x(test::input_iterator(v_begin),
            test::input_iterator(v_end), 0, hf1, eq1);
        BOOST_DEDUCED_TYPENAME T::const_iterator
            x_begin = x.begin(), x_end = x.end();
        T y(test::input_iterator(x_begin),
            test::input_iterator(x_end), 0, hf2, eq2);
        test::check_container(x, v);
        test::check_container(y, x);
        test::check_equivalent_keys(x);
        test::check_equivalent_keys(y);
    }
    
    std::cerr<<"Construct 8.5 - from copy iterator\n";
    {
        test::random_values<T> v(100, generator);
        T x(test::copy_iterator(v.begin()),
            test::copy_iterator(v.end()), 0, hf1, eq1);
        T y(test::copy_iterator(x.begin()),
            test::copy_iterator(x.end()), 0, hf2, eq2);
        test::check_container(x, v);
        test::check_container(y, x);
        test::check_equivalent_keys(x);
        test::check_equivalent_keys(y);
    }
    
    std::cerr<<"Construct 9\n";
    {
        test::random_values<T> v(100, generator);
        T x(50);
        BOOST_TEST(x.bucket_count() >= 50);
        x.max_load_factor(10);
        BOOST_TEST(x.bucket_count() >= 50);
        x.insert(v.begin(), v.end());
        BOOST_TEST(x.bucket_count() >= 50);
        test::check_container(x, v);
        test::check_equivalent_keys(x);
    }

#if !defined(BOOST_NO_0X_HDR_INITIALIZER_LIST)
    std::initializer_list<BOOST_DEDUCED_TYPENAME T::value_type> list;
    
    std::cerr<<"Initializer list construct 1\n";
    {
        T x(list);
        BOOST_TEST(x.empty());
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
    }

    std::cerr<<"Initializer list construct 2\n";
    {
        T x(list, 1000);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 1000);
        BOOST_TEST(test::equivalent(x.hash_function(), hf));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
    }

    std::cerr<<"Initializer list construct 3\n";
    {
        T x(list, 10, hf1);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 10);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
    }

    std::cerr<<"Initializer list construct 4\n";
    {
        T x(list, 10, hf1, eq1);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 10);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
        BOOST_TEST(test::equivalent(x.get_allocator(), al));
    }

    std::cerr<<"Initializer list construct 5\n";
    {
        T x(list, 10, hf1, eq1, al1);
        BOOST_TEST(x.empty());
        BOOST_TEST(x.bucket_count() >= 10);
        BOOST_TEST(test::equivalent(x.hash_function(), hf1));
        BOOST_TEST(test::equivalent(x.key_eq(), eq1));
        BOOST_TEST(test::equivalent(x.get_allocator(), al1));
    }
#endif
}

template <class T>
void map_constructor_test(T* = 0,
    test::random_generator const& generator = test::default_generator)
{
    std::cerr<<"map_constructor_test\n";

    typedef test::list<
        std::pair<
            BOOST_DEDUCED_TYPENAME T::key_type,
            BOOST_DEDUCED_TYPENAME T::mapped_type
        >
    > list;
    test::random_values<T> v(1000, generator);
    list l(v.begin(), v.end());
    T x(l.begin(), l.end());

    test::check_container(x, v);
    test::check_equivalent_keys(x);
}

boost::unordered_set<test::object,
    test::hash, test::equal_to,
    test::allocator<test::object> >* test_set;
boost::unordered_multiset<test::object,
    test::hash, test::equal_to,
    test::allocator<test::object> >* test_multiset;
boost::unordered_map<test::object, test::object,
    test::hash, test::equal_to,
    test::allocator<test::object> >* test_map;
boost::unordered_multimap<test::object, test::object,
    test::hash, test::equal_to,
    test::allocator<test::object> >* test_multimap;

using test::default_generator;
using test::generate_collisions;

UNORDERED_TEST(constructor_tests1,
    ((test_set)(test_multiset)(test_map)(test_multimap))
    ((default_generator)(generate_collisions))
)

UNORDERED_TEST(constructor_tests2,
    ((test_set)(test_multiset)(test_map)(test_multimap))
    ((default_generator)(generate_collisions))
)

UNORDERED_TEST(map_constructor_test,
    ((test_map)(test_multimap))
)

#if !defined(BOOST_NO_0X_HDR_INITIALIZER_LIST)

UNORDERED_AUTO_TEST(test_default_initializer_list) {
    std::cerr<<"Initializer List Tests\n";
    std::initializer_list<int> init;
    boost::unordered_set<int> x1 = init;
    BOOST_TEST(x1.empty());
}

#endif

#if !defined(BOOST_NO_0X_HDR_INITIALIZER_LIST) && \
    !defined(BOOST_NO_INITIALIZER_LISTS)

UNORDERED_AUTO_TEST(test_initializer_list) {
    std::cerr<<"Initializer List Tests\n";
    boost::unordered_set<int> x1 = { 2, 10, 45, -5 };
    BOOST_TEST(x1.find(10) != x1.end());
    BOOST_TEST(x1.find(46) == x1.end());
}

#endif

}

RUN_TESTS()