1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
|
// Copyright 2021, 2022 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#if defined(__GNUC__) && __GNUC__ == 8
# pragma GCC diagnostic ignored "-Wsign-conversion"
#endif
#include <boost/container_hash/hash.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/core/detail/splitmix64.hpp>
#include <boost/config.hpp>
#include <boost/config/pragma_message.hpp>
#if defined(BOOST_NO_CXX11_HDR_UNORDERED_SET)
BOOST_PRAGMA_MESSAGE( "Test skipped, BOOST_NO_CXX11_HDR_UNORDERED_SET is defined" )
int main() {}
#elif defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) && defined(_CPPLIB_VER) && _CPPLIB_VER >= 520
BOOST_PRAGMA_MESSAGE( "Test skipped, _CPPLIB_VER >= 520 and BOOST_NO_CXX11_VARIADIC_TEMPLATES is defined" )
int main() {}
#else
#include <unordered_set>
template<class T> std::size_t hv( T const& x )
{
return boost::hash<T>()( x );
}
template<class T> void test()
{
typedef std::unordered_set<T> set;
int const N = 256;
set v;
boost::detail::splitmix64 rng;
for( int i = 0; i < N; ++i )
{
BOOST_TEST_EQ( hv( v ), boost::hash_unordered_range( v.begin(), v.end() ) );
v.insert( static_cast<T>( rng() ) );
}
}
int main()
{
test<unsigned>();
test<boost::uint64_t>();
test<float>();
test<double>();
return boost::report_errors();
}
#endif
|
