| 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( x: 1 ); |
| 58 | |
| 59 | #if !defined(BOOST_NO_CXX11_SCOPED_ENUMS) |
| 60 | |
| 61 | test_reverse( x: E3::e3 ); |
| 62 | test_reverse( x: E4::e4 ); |
| 63 | |
| 64 | #endif |
| 65 | |
| 66 | test_reverse_inplace( x: 1 ); |
| 67 | test_reverse_inplace( x: true ); |
| 68 | |
| 69 | test_reverse_inplace( x: 1.0f ); |
| 70 | test_reverse_inplace( x: 1.0 ); |
| 71 | |
| 72 | test_reverse_inplace( x: e1 ); |
| 73 | |
| 74 | #if !defined(BOOST_NO_CXX11_SCOPED_ENUMS) |
| 75 | |
| 76 | test_reverse_inplace( x: e2 ); |
| 77 | test_reverse_inplace( x: E3::e3 ); |
| 78 | test_reverse_inplace( x: E4::e4 ); |
| 79 | |
| 80 | #endif |
| 81 | |
| 82 | return boost::report_errors(); |
| 83 | } |
| 84 |