| 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_inplace( T x ) |
| 11 | { |
| 12 | using boost::endian::endian_reverse_inplace; |
| 13 | |
| 14 | T x2( x ); |
| 15 | |
| 16 | endian_reverse_inplace( x2 ); |
| 17 | endian_reverse_inplace( x2 ); |
| 18 | BOOST_TEST( x == x2 ); |
| 19 | |
| 20 | boost::endian::native_to_little_inplace( x2 ); |
| 21 | boost::endian::little_to_native_inplace( x2 ); |
| 22 | BOOST_TEST( x == x2 ); |
| 23 | |
| 24 | boost::endian::native_to_big_inplace( x2 ); |
| 25 | boost::endian::big_to_native_inplace( x2 ); |
| 26 | BOOST_TEST( x == x2 ); |
| 27 | } |
| 28 | |
| 29 | struct X |
| 30 | { |
| 31 | int v1_; |
| 32 | int v2_; |
| 33 | }; |
| 34 | |
| 35 | inline bool operator==( X const& x1, X const& x2 ) |
| 36 | { |
| 37 | return x1.v1_ == x2.v1_ && x1.v2_ == x2.v2_; |
| 38 | } |
| 39 | |
| 40 | inline void endian_reverse_inplace( X & x ) |
| 41 | { |
| 42 | using boost::endian::endian_reverse_inplace; |
| 43 | |
| 44 | endian_reverse_inplace( x&: x.v1_ ); |
| 45 | endian_reverse_inplace( x&: x.v2_ ); |
| 46 | } |
| 47 | |
| 48 | struct Y |
| 49 | { |
| 50 | X x1_; |
| 51 | X x2_[ 2 ]; |
| 52 | }; |
| 53 | |
| 54 | inline bool operator==( Y const& y1, Y const& y2 ) |
| 55 | { |
| 56 | return y1.x1_ == y2.x1_ && y1.x2_[0] == y2.x2_[0] && y1.x2_[1] == y2.x2_[1]; |
| 57 | } |
| 58 | |
| 59 | inline void endian_reverse_inplace( Y & y ) |
| 60 | { |
| 61 | using boost::endian::endian_reverse_inplace; |
| 62 | |
| 63 | endian_reverse_inplace( x&: y.x1_ ); |
| 64 | endian_reverse_inplace( x&: y.x2_ ); |
| 65 | } |
| 66 | |
| 67 | int main() |
| 68 | { |
| 69 | Y y = { .x1_: { .v1_: 1, .v2_: 2 }, .x2_: { { .v1_: 3, .v2_: 4 }, { .v1_: 5, .v2_: 6 } } }; |
| 70 | |
| 71 | test_reverse_inplace( x: y ); |
| 72 | |
| 73 | return boost::report_errors(); |
| 74 | } |
| 75 |