ceph/src/boost/libs/endian/test/endian_reverse_test3.cpp

   1 // Copyright 2020 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #include <boost/endian/conversion.hpp>
   6 #include <boost/core/lightweight_test.hpp>
   7 #include <boost/config.hpp>
   8 #include <cstddef>
   9
  10 template<class T> void test_reverse( T x )
  11 {
  12     using boost::endian::endian_reverse;
  13
  14     T x2( x );
  15
  16     x2 = endian_reverse( endian_reverse( x2 ) );
  17     BOOST_TEST( x == x2 );
  18
  19     x2 = boost::endian::native_to_little( boost::endian::little_to_native( x2 ) );
  20     BOOST_TEST( x == x2 );
  21
  22     x2 = boost::endian::native_to_big( boost::endian::big_to_native( x2 ) );
  23     BOOST_TEST( x == x2 );
  24 }
  25
  26 template<class T> void test_reverse_inplace( T x )
  27 {
  28     using boost::endian::endian_reverse_inplace;
  29
  30     T x2( x );
  31
  32     endian_reverse_inplace( x2 );
  33     endian_reverse_inplace( x2 );
  34     BOOST_TEST( x == x2 );
  35
  36     boost::endian::native_to_little_inplace( x2 );
  37     boost::endian::little_to_native_inplace( x2 );
  38     BOOST_TEST( x == x2 );
  39
  40     boost::endian::native_to_big_inplace( x2 );
  41     boost::endian::big_to_native_inplace( x2 );
  42     BOOST_TEST( x == x2 );
  43 }
  44
  45 enum E1 { e1 };
  46
  47 #if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
  48
  49 enum E2: long { e2 };
  50 enum class E3 { e3 };
  51 enum class E4: long { e4 };
  52
  53 #endif
  54
  55 int main()
  56 {
  57     test_reverse( 1 );
  58
  59 #if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
  60
  61     test_reverse( E3::e3 );
  62     test_reverse( E4::e4 );
  63
  64 #endif
  65
  66     test_reverse_inplace( 1 );
  67     test_reverse_inplace( true );
  68
  69     test_reverse_inplace( 1.0f );
  70     test_reverse_inplace( 1.0 );
  71
  72     test_reverse_inplace( e1 );
  73
  74 #if !defined(BOOST_NO_CXX11_SCOPED_ENUMS)
  75
  76     test_reverse_inplace( e2 );
  77     test_reverse_inplace( E3::e3 );
  78     test_reverse_inplace( E4::e4 );
  79
  80 #endif
  81
  82     return boost::report_errors();
  83 }