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/config/pragma_message.hpp> 8 #include <boost/config.hpp> 9 #include <boost/cstdint.hpp> 10 11 #if defined(BOOST_NO_CXX11_CONSTEXPR) 12 13 BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_NO_CXX11_CONSTEXPR is defined") 14 15 #elif defined(BOOST_ENDIAN_NO_INTRINSICS) && defined(BOOST_NO_CXX14_CONSTEXPR) 16 17 BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_ENDIAN_NO_INTRINSICS and BOOST_NO_CXX14_CONSTEXPR are defined") 18 19 #elif !defined(BOOST_ENDIAN_NO_INTRINSICS) && !defined(BOOST_ENDIAN_CONSTEXPR_INTRINSICS) 20 21 BOOST_PRAGMA_MESSAGE("Test skipped because BOOST_ENDIAN_NO_INTRINSICS and BOOST_ENDIAN_CONSTEXPR_INTRINSICS are not defined") 22 23 #else 24 25 using namespace boost::endian; 26 27 #define STATIC_ASSERT(expr) static_assert(expr, #expr) 28 29 STATIC_ASSERT( endian_reverse( static_cast<boost::uint8_t>( 0x01 ) ) == 0x01 ); 30 STATIC_ASSERT( endian_reverse( static_cast<boost::uint16_t>( 0x0102 ) ) == 0x0201 ); 31 STATIC_ASSERT( endian_reverse( static_cast<boost::uint32_t>( 0x01020304 ) ) == 0x04030201 ); 32 STATIC_ASSERT( endian_reverse( static_cast<boost::uint64_t>( 0x0102030405060708 ) ) == 0x0807060504030201 ); 33 34 STATIC_ASSERT( big_to_native( native_to_big( 0x01020304 ) ) == 0x01020304 ); 35 STATIC_ASSERT( little_to_native( native_to_little( 0x01020304 ) ) == 0x01020304 ); 36 37 STATIC_ASSERT( native_to_big( 0x01020304 ) == (conditional_reverse<order::native, order::big>( 0x01020304 )) ); 38 STATIC_ASSERT( native_to_big( 0x01020304 ) == conditional_reverse( 0x01020304, order::native, order::big ) ); 39 40 #endif 41