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
62
63
64
65
66
67
68
69
70
71
|
// Copyright 2019 Hans Dembinski
//
// 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 <boost/archive/binary_iarchive.hpp>
#include <boost/archive/binary_oarchive.hpp>
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/core/lightweight_test.hpp>
#include <boost/histogram/detail/array_wrapper.hpp>
#include <sstream>
#include <vector>
#include "std_ostream.hpp"
#include "throw_exception.hpp"
namespace dtl = boost::histogram::detail;
namespace ba = boost::archive;
template <class T>
struct dummy_array_wrapper {
T* ptr;
std::size_t size;
template <class Archive>
void serialize(Archive& ar, unsigned /* version */) {
for (auto&& x : dtl::make_span(ptr, size)) ar& x;
}
};
template <class OArchive, class IArchive>
void run_tests() {
std::vector<int> v = {{1, 2, 3}};
std::stringstream os1;
{
OArchive oa(os1);
auto w = dtl::make_array_wrapper(v.data(), v.size());
oa << w;
}
std::ostringstream os2;
{
OArchive oa(os2);
auto w = dummy_array_wrapper<int>{v.data(), v.size()};
oa << w;
}
BOOST_TEST_EQ(os1.str(), os2.str());
std::vector<int> v2(3, 0);
{
IArchive ia(os1);
auto w = dtl::make_array_wrapper(v2.data(), v2.size());
ia >> w;
}
BOOST_TEST_EQ(v, v2);
}
int main() {
BOOST_TEST(dtl::has_array_optimization<ba::binary_oarchive>::value);
BOOST_TEST(dtl::has_array_optimization<ba::binary_iarchive>::value);
BOOST_TEST_NOT(dtl::has_array_optimization<ba::text_oarchive>::value);
BOOST_TEST_NOT(dtl::has_array_optimization<ba::text_iarchive>::value);
run_tests<ba::binary_oarchive, ba::binary_iarchive>();
run_tests<ba::text_oarchive, ba::text_iarchive>();
return boost::report_errors();
}
|
