1// Copyright 2022 Peter Dimov.
2// Distributed under the Boost Software License, Version 1.0.
3// https://www.boost.org/LICENSE_1_0.txt
4
5#include <boost/container_hash/hash.hpp>
6#include <boost/core/lightweight_test.hpp>
7#include <boost/config.hpp>
8#include <vector>
9#include <deque>
10#include <list>
11#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
12# include <forward_list>
13#endif
14
15template<class T> std::size_t hv( T const& t )
16{
17 return boost::hash<T>()( t );
18}
19
20template<class T> void test()
21{
22 for( std::size_t i = 0; i < 8; ++i )
23 {
24 std::vector<T> v( i );
25 std::size_t h0 = hv( v );
26
27 std::deque<T> d( v.begin(), v.end() );
28 BOOST_TEST_EQ( h0, hv( d ) );
29
30 std::list<T> l( v.begin(), v.end() );
31 BOOST_TEST_EQ( h0, hv( l ) );
32
33#if !defined(BOOST_NO_CXX11_HDR_FORWARD_LIST)
34
35 std::forward_list<T> f( v.begin(), v.end() );
36 BOOST_TEST_EQ( h0, hv( f ) );
37
38#endif
39 }
40}
41
42int main()
43{
44 test<char>();
45 test<unsigned char>();
46 test<signed char>();
47 test<int>();
48 test<float>();
49 test<double>();
50
51#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
52 test<char8_t>();
53#endif
54
55#if defined(__cpp_lib_byte) && __cpp_lib_byte >= 201603L
56 test<std::byte>();
57#endif
58
59 return boost::report_errors();
60}
61

source code of boost/libs/container_hash/test/hash_container_test.cpp