// Copyright 2021 Peter Dimov // Distributed under the Boost Software License, Version 1.0. // See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt #include #include #include #include namespace io = boost::iostreams; int main() { io::file_descriptor_source fs( "test.txt" ); std::string s; io::copy( fs, io::back_inserter( s ) ); BOOST_TEST( s == "=== reference output ===" ); return boost::report_errors(); }