container_hash/test/hash_range_test.cpp
2017-12-29 13:58:48 +00:00

86 lines
2.9 KiB
C++

// 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)
#include "./config.hpp"
#if !defined(BOOST_HASH_TEST_EXTENSIONS)
int main() {}
#else
#ifdef BOOST_HASH_TEST_STD_INCLUDES
# include <functional>
#else
# include <boost/container_hash/hash.hpp>
#endif
#include <boost/core/lightweight_test.hpp>
#include <boost/limits.hpp>
#include <vector>
void hash_range_tests()
{
std::vector<int> empty, values1, values2, values3, values4, values5;
values1.push_back(0);
values2.push_back(10);
values3.push_back(10);
values3.push_back(20);
values4.push_back(15);
values4.push_back(75);
values5.push_back(10);
values5.push_back(20);
values5.push_back(15);
values5.push_back(75);
values5.push_back(10);
values5.push_back(20);
std::vector<int> x;
std::size_t x_seed = 0;
BOOST_TEST(x_seed == BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(empty.begin(), empty.end())
== BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(empty.begin(), empty.end())
!= BOOST_HASH_TEST_NAMESPACE::hash_range(values1.begin(), values1.end()));
x.push_back(10);
BOOST_HASH_TEST_NAMESPACE::hash_combine(x_seed, 10);
BOOST_TEST(x_seed == BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(empty.begin(), empty.end())
!= BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(values2.begin(), values2.end())
== BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
x.push_back(20);
BOOST_HASH_TEST_NAMESPACE::hash_combine(x_seed, 20);
BOOST_TEST(x_seed == BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(empty.begin(), empty.end())
!= BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(values2.begin(), values2.end())
!= BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
BOOST_TEST(BOOST_HASH_TEST_NAMESPACE::hash_range(values3.begin(), values3.end())
== BOOST_HASH_TEST_NAMESPACE::hash_range(x.begin(), x.end()));
std::size_t seed =
BOOST_HASH_TEST_NAMESPACE::hash_range(values3.begin(), values3.end());
BOOST_HASH_TEST_NAMESPACE::hash_range(seed, values4.begin(), values4.end());
BOOST_HASH_TEST_NAMESPACE::hash_range(seed, x.begin(), x.end());
BOOST_TEST(seed ==
BOOST_HASH_TEST_NAMESPACE::hash_range(values5.begin(), values5.end()));
}
int main()
{
hash_range_tests();
return boost::report_errors();
}
#endif // TEST_EXTESNIONS