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ff6e4576512c6595e072531600fae6c190c62ceb
boost_unordered/test/unordered/constructor_tests.cpp
Daniel James ff6e457651 Fix bug where container was reducing the number of buckets. 
[SVN r56347]
2009-09-21 21:17:40 +00:00

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// 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)
#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";
{
test::random_values<T> v(1000, generator);
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);
T x(test::input_iterator(v.begin()), test::input_iterator(v.end()), 0, hf1, eq1);
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 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);
}
}
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_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()
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