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// Copyright 2023 Peter Dimov.
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt
#include <boost/system/result.hpp>
#include <boost/core/lightweight_test.hpp>
using namespace boost::system;
// Tricky mixed construction cases
// https://github.com/boostorg/system/issues/104
// https://brevzin.github.io//c++/2023/01/18/optional-construction/
int main()
{
{
result<int> r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( 5 );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> const r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> const r( 5 );
result<result<int>> r2( r );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( make_error_code( errc::invalid_argument ) );
result<result<int>> r2( std::move( r ) );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
{
result<int> r( 5 );
result<result<int>> r2( std::move( r ) );
BOOST_TEST( r2.has_value() ) && BOOST_TEST_EQ( r2.value(), r );
}
return boost::report_errors();
}
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