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

76 lines
2.0 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"
#ifdef BOOST_HASH_TEST_EXTENSIONS
# ifdef BOOST_HASH_TEST_STD_INCLUDES
# include <functional>
# else
# include <boost/container_hash/hash.hpp>
# endif
#endif
#include <boost/core/lightweight_test.hpp>
#ifdef BOOST_HASH_TEST_EXTENSIONS
void array_int_test()
{
const int length1 = 25;
int array1[25] = {
26, -43, 32, 65, 45,
12, 67, 32, 12, 23,
0, 0, 0, 0, 0,
8, -12, 23, 65, 45,
-1, 93, -54, 987, 3
};
BOOST_HASH_TEST_NAMESPACE::hash<int[25]> hasher1;
const int length2 = 1;
int array2[1] = {3};
BOOST_HASH_TEST_NAMESPACE::hash<int[1]> hasher2;
const int length3 = 2;
int array3[2] = {2, 3};
BOOST_HASH_TEST_NAMESPACE::hash<int[2]> hasher3;
BOOST_TEST(hasher1(array1)
== BOOST_HASH_TEST_NAMESPACE::hash_range(array1, array1 + length1));
BOOST_TEST(hasher2(array2)
== BOOST_HASH_TEST_NAMESPACE::hash_range(array2, array2 + length2));
BOOST_TEST(hasher3(array3)
== BOOST_HASH_TEST_NAMESPACE::hash_range(array3, array3 + length3));
}
void two_dimensional_array_test()
{
int array[3][2] = {{-5, 6}, {7, -3}, {26, 1}};
BOOST_HASH_TEST_NAMESPACE::hash<int[3][2]> hasher;
std::size_t seed1 = 0;
for(int i = 0; i < 3; ++i)
{
std::size_t seed2 = 0;
for(int j = 0; j < 2; ++j)
BOOST_HASH_TEST_NAMESPACE::hash_combine(seed2, array[i][j]);
BOOST_HASH_TEST_NAMESPACE::hash_combine(seed1, seed2);
}
BOOST_TEST(hasher(array) == seed1);
BOOST_TEST(hasher(array) == BOOST_HASH_TEST_NAMESPACE::hash_range(array, array + 3));
}
#endif // BOOST_HASH_TEST_EXTENSIONS
int main()
{
#ifdef BOOST_HASH_TEST_EXTENSIONS
array_int_test();
two_dimensional_array_test();
#endif
return boost::report_errors();
}