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// Copyright 2018-2022 Emil Dotchevski and Reverge Studios, Inc.
// 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)
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/config.hpp>
# include <boost/leaf/handle_errors.hpp>
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
#include <sstream>
namespace leaf = boost::leaf;
template <int I>
struct info
{
friend std::ostream & operator<<( std::ostream & os, info const & )
{
return os << "printed info<" << I << '>';
}
};
int main()
{
leaf::try_handle_all(
[]() -> leaf::result<void>
{
return leaf::try_handle_some(
[]() -> leaf::result<void>
{
leaf::try_handle_all(
[]() -> leaf::result<void>
{
return leaf::new_error(info<1>{});
},
[]
{
} );
return leaf::new_error(info<2>{});
},
[]( info<1> )
{
} );
},
[]( leaf::verbose_diagnostic_info const & di )
{
#if BOOST_LEAF_CFG_STD_STRING
std::ostringstream st;
st << di;
std::string s = st.str();
#if BOOST_LEAF_CFG_DIAGNOSTICS
BOOST_TEST_NE(s.find("info<2>"), s.npos);
#endif
std::cout << s;
#endif
} );
#ifndef BOOST_LEAF_NO_EXCEPTIONS
std::cout << __LINE__ << " ----\n";
leaf::try_catch(
[]
{
leaf::try_catch(
[]
{
leaf::try_catch(
[]
{
leaf::throw_exception(info<1>{});
},
[]
{
} );
leaf::throw_exception(info<2>{});
},
[]( info<1> )
{
} );
},
[]( leaf::verbose_diagnostic_info const & di )
{
#if BOOST_LEAF_CFG_STD_STRING
std::ostringstream st;
st << di;
std::string s = st.str();
#if BOOST_LEAF_CFG_DIAGNOSTICS
BOOST_TEST_NE(s.find("info<2>"), s.npos);
#endif
std::cout << s;
#endif
} );
std::cout << __LINE__ << " ----\n";
leaf::try_catch(
[]
{
leaf::try_catch(
[]
{
leaf::try_catch(
[]
{
auto load = leaf::on_error(info<1>{});
throw std::exception();
},
[]
{
} );
auto load = leaf::on_error(info<2>{});
throw std::exception();
},
[]( info<1> )
{
} );
},
[]( leaf::verbose_diagnostic_info const & di )
{
#if BOOST_LEAF_CFG_STD_STRING
std::ostringstream st;
st << di;
std::string s = st.str();
#if BOOST_LEAF_CFG_DIAGNOSTICS
BOOST_TEST_NE(s.find("info<2>"), s.npos);
#endif
std::cout << s;
#endif
} );
#endif
return boost::report_errors();
}
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