72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
// Copyright 2019 Hans Dembinski
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//
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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#include <boost/archive/binary_iarchive.hpp>
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#include <boost/archive/binary_oarchive.hpp>
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#include <boost/archive/text_iarchive.hpp>
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#include <boost/archive/text_oarchive.hpp>
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#include <boost/core/lightweight_test.hpp>
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#include <boost/histogram/detail/array_wrapper.hpp>
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#include <sstream>
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#include <vector>
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#include "std_ostream.hpp"
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#include "throw_exception.hpp"
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namespace dtl = boost::histogram::detail;
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namespace ba = boost::archive;
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template <class T>
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struct dummy_array_wrapper {
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T* ptr;
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std::size_t size;
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template <class Archive>
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void serialize(Archive& ar, unsigned /* version */) {
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for (auto&& x : dtl::make_span(ptr, size)) ar& x;
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}
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};
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template <class OArchive, class IArchive>
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void run_tests() {
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std::vector<int> v = {{1, 2, 3}};
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std::stringstream os1;
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{
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OArchive oa(os1);
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auto w = dtl::make_array_wrapper(v.data(), v.size());
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oa << w;
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}
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std::ostringstream os2;
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{
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OArchive oa(os2);
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auto w = dummy_array_wrapper<int>{v.data(), v.size()};
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oa << w;
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}
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BOOST_TEST_EQ(os1.str(), os2.str());
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std::vector<int> v2(3, 0);
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{
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IArchive ia(os1);
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auto w = dtl::make_array_wrapper(v2.data(), v2.size());
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ia >> w;
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}
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BOOST_TEST_EQ(v, v2);
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}
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int main() {
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BOOST_TEST(dtl::has_array_optimization<ba::binary_oarchive>::value);
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BOOST_TEST(dtl::has_array_optimization<ba::binary_iarchive>::value);
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BOOST_TEST_NOT(dtl::has_array_optimization<ba::text_oarchive>::value);
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BOOST_TEST_NOT(dtl::has_array_optimization<ba::text_iarchive>::value);
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run_tests<ba::binary_oarchive, ba::binary_iarchive>();
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run_tests<ba::text_oarchive, ba::text_iarchive>();
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return boost::report_errors();
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}
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