boost/libs/endian/test/endian_hpp_test.cpp
2021-10-05 21:37:46 +02:00

60 lines
1.4 KiB
C++

// Copyright 2019 Peter Dimov
// Distributed under the Boost Software License, Version 1.0.
// http://www.boost.org/LICENSE_1_0.txt
#include <boost/endian.hpp>
#include <boost/core/lightweight_test.hpp>
int main()
{
using namespace boost::endian;
// conversion
{
BOOST_TEST_EQ( endian_reverse( 0x01020304 ), 0x04030201 );
}
// buffers
{
little_uint32_buf_t v( 0x01020304 );
BOOST_TEST_EQ( v.data()[ 0 ], 0x04 );
BOOST_TEST_EQ( v.data()[ 1 ], 0x03 );
BOOST_TEST_EQ( v.data()[ 2 ], 0x02 );
BOOST_TEST_EQ( v.data()[ 3 ], 0x01 );
}
{
big_uint32_buf_t v( 0x01020304 );
BOOST_TEST_EQ( v.data()[ 0 ], 0x01 );
BOOST_TEST_EQ( v.data()[ 1 ], 0x02 );
BOOST_TEST_EQ( v.data()[ 2 ], 0x03 );
BOOST_TEST_EQ( v.data()[ 3 ], 0x04 );
}
// arithmetic
{
little_uint32_t v( 0x01020304 );
BOOST_TEST_EQ( v.data()[ 0 ], 0x04 );
BOOST_TEST_EQ( v.data()[ 1 ], 0x03 );
BOOST_TEST_EQ( v.data()[ 2 ], 0x02 );
BOOST_TEST_EQ( v.data()[ 3 ], 0x01 );
}
{
big_uint32_t v( 0x01020304 );
BOOST_TEST_EQ( v.data()[ 0 ], 0x01 );
BOOST_TEST_EQ( v.data()[ 1 ], 0x02 );
BOOST_TEST_EQ( v.data()[ 2 ], 0x03 );
BOOST_TEST_EQ( v.data()[ 3 ], 0x04 );
}
return boost::report_errors();
}