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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)
- // This test demonstrates an ADL bug in Borland 5.5 where ADL isn't performed
- // in the global namespace.
- #include "./config.hpp"
- #include <boost/config.hpp>
- #include <cstddef>
- struct custom
- {
- int value_;
- std::size_t hash() const
- {
- return static_cast<std::size_t>(value_ * 10);
- }
- #if !defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
- friend std::size_t hash_value(custom const& x )
- {
- return x.hash();
- }
- #endif
- custom(int x) : value_(x) {}
- };
- #if defined(BOOST_NO_ARGUMENT_DEPENDENT_LOOKUP)
- namespace boost
- {
- std::size_t hash_value(custom x)
- {
- return x.hash();
- }
- }
- #endif
- #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
- #include <vector>
- #include <string>
- #include <cctype>
- void custom_tests()
- {
- BOOST_HASH_TEST_NAMESPACE::hash<custom> custom_hasher;
- BOOST_TEST(custom_hasher(10) == 100u);
- custom x(55);
- BOOST_TEST(custom_hasher(x) == 550u);
- {
- using namespace BOOST_HASH_TEST_NAMESPACE;
- BOOST_TEST(custom_hasher(x) == hash_value(x));
- }
- std::vector<custom> custom_vector;
- custom_vector.push_back(5);
- custom_vector.push_back(25);
- custom_vector.push_back(35);
- std::size_t seed = 0;
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed, custom(5));
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed, custom(25));
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed, custom(35));
- std::size_t seed2 = 0;
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed2, 50u);
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed2, 250u);
- BOOST_HASH_TEST_NAMESPACE::hash_combine(seed2, 350u);
- BOOST_TEST(seed == BOOST_HASH_TEST_NAMESPACE::hash_range(
- custom_vector.begin(), custom_vector.end()));
- BOOST_TEST(seed == seed2);
- }
- #endif // BOOST_HASH_TEST_EXTENSIONS
- int main()
- {
- #ifdef BOOST_HASH_TEST_EXTENSIONS
- custom_tests();
- #endif
- return boost::report_errors();
- }
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