ceph/src/boost/libs/endian/test/endian_ld_st_roundtrip_test.cpp

   1 // Copyright 2019 Peter Dimov
   2 //
   3 // Distributed under the Boost Software License, Version 1.0.
   4 // http://www.boost.org/LICENSE_1_0.txt
   5
   6 #include <boost/endian/conversion.hpp>
   7 #include <boost/core/lightweight_test.hpp>
   8 #include <boost/config.hpp>
   9 #include <boost/cstdint.hpp>
  10 #include <cstddef>
  11
  12 template<class T> void test( T const& x )
  13 {
  14     {
  15         unsigned char buffer[ sizeof(T) ];
  16
  17         boost::endian::endian_store<T, sizeof(T), boost::endian::order::little>( buffer, x );
  18         T x2 = boost::endian::endian_load<T, sizeof(T), boost::endian::order::little>( buffer );
  19
  20         BOOST_TEST_EQ( x, x2 );
  21     }
  22
  23     {
  24         unsigned char buffer[ sizeof(T) ];
  25
  26         boost::endian::endian_store<T, sizeof(T), boost::endian::order::big>( buffer, x );
  27         T x2 = boost::endian::endian_load<T, sizeof(T), boost::endian::order::big>( buffer );
  28
  29         BOOST_TEST_EQ( x, x2 );
  30     }
  31 }
  32
  33 enum E
  34 {
  35     e = 0xF1F2F3
  36 };
  37
  38 int main()
  39 {
  40     test( 1.2e+34f );
  41     test( -1.234e+56 );
  42     test( e );
  43
  44     return boost::report_errors();
  45 }