ceph/src/boost/libs/histogram/test/unlimited_storage_serialization_test.cpp

   1 // Copyright 2018 Hans Dembinski
   2 //
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // (See accompanying file LICENSE_1_0.txt
   5 // or copy at http://www.boost.org/LICENSE_1_0.txt)
   6
   7 #include <boost/archive/text_iarchive.hpp>
   8 #include <boost/archive/text_oarchive.hpp>
   9 #include <boost/assert.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11 #include <boost/histogram/serialization.hpp>
  12 #include <boost/histogram/unlimited_storage.hpp>
  13 #include <memory>
  14 #include <sstream>
  15 #include "throw_exception.hpp"
  16 #include "utility_serialization.hpp"
  17
  18 using unlimited_storage_type = boost::histogram::unlimited_storage<>;
  19
  20 using namespace boost::histogram;
  21
  22 template <typename T>
  23 unlimited_storage_type prepare(std::size_t n, const T x) {
  24   std::unique_ptr<T[]> v(new T[n]);
  25   std::fill(v.get(), v.get() + n, static_cast<T>(0));
  26   v.get()[0] = x;
  27   return unlimited_storage_type(n, v.get());
  28 }
  29
  30 template <typename T>
  31 unlimited_storage_type prepare(std::size_t n) {
  32   return unlimited_storage_type(n, static_cast<T*>(nullptr));
  33 }
  34
  35 template <typename T>
  36 void run_test(const std::string& filename) {
  37   const auto a = prepare(1, T(1));
  38   print_xml(filename, a);
  39   unlimited_storage_type b;
  40   BOOST_TEST(!(a == b));
  41   load_xml(filename, b);
  42   BOOST_TEST(a == b);
  43 }
  44
  45 int main(int argc, char** argv) {
  46   BOOST_ASSERT(argc == 2);
  47
  48   run_test<uint8_t>(join(argv[1], "unlimited_storage_serialization_test_u8.xml"));
  49   run_test<uint16_t>(join(argv[1], "unlimited_storage_serialization_test_u16.xml"));
  50   run_test<uint32_t>(join(argv[1], "unlimited_storage_serialization_test_u32.xml"));
  51   run_test<uint64_t>(join(argv[1], "unlimited_storage_serialization_test_u64.xml"));
  52   run_test<unlimited_storage_type::large_int>(
  53       join(argv[1], "unlimited_storage_serialization_test_large_int.xml"));
  54   run_test<double>(join(argv[1], "unlimited_storage_serialization_test_double.xml"));
  55
  56   return boost::report_errors();
  57 }