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- // 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_STD_INCLUDES
- # include <functional>
- #else
- # include <boost/container_hash/hash.hpp>
- #endif
- #include <boost/core/lightweight_test.hpp>
- #include "./compile_time.hpp"
- void void_func1() { static int x = 1; ++x; }
- void void_func2() { static int x = 2; --x; }
- int int_func1(int) { return 0; }
- int int_func2(int) { return 1; }
- void function_pointer_tests()
- {
- compile_time_tests((void(**)()) 0);
- compile_time_tests((int(**)(int)) 0);
- BOOST_HASH_TEST_NAMESPACE::hash<void(*)()> hasher_void;
- BOOST_HASH_TEST_NAMESPACE::hash<int(*)(int)> hasher_int;
- BOOST_TEST(&void_func1 != &void_func2);
- BOOST_TEST(&int_func1 != &int_func2);
- BOOST_TEST(hasher_void(0) == hasher_void(0));
- BOOST_TEST(hasher_void(&void_func1) == hasher_void(&void_func1));
- BOOST_TEST(hasher_void(&void_func1) != hasher_void(&void_func2));
- BOOST_TEST(hasher_void(&void_func1) != hasher_void(0));
- BOOST_TEST(hasher_int(0) == hasher_int(0));
- BOOST_TEST(hasher_int(&int_func1) == hasher_int(&int_func1));
- BOOST_TEST(hasher_int(&int_func1) != hasher_int(&int_func2));
- BOOST_TEST(hasher_int(&int_func1) != hasher_int(0));
- #if defined(BOOST_HASH_TEST_EXTENSIONS)
- BOOST_TEST(hasher_void(&void_func1)
- == BOOST_HASH_TEST_NAMESPACE::hash_value(&void_func1));
- BOOST_TEST(hasher_int(&int_func1)
- == BOOST_HASH_TEST_NAMESPACE::hash_value(&int_func1));
- // This isn't specified in Peter's proposal:
- BOOST_TEST(hasher_void(0) == 0);
- #endif
- }
- int main()
- {
- function_pointer_tests();
- return boost::report_errors();
- }
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