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// Copyright 2018-2024 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)
#include <boost/leaf/config.hpp>
#if defined(BOOST_LEAF_NO_EXCEPTIONS) || defined(BOOST_LEAF_NO_THREADS)
#include <iostream>
int main()
{
std::cout << "Unit test not applicable." << std::endl;
return 0;
}
#else
#ifdef BOOST_LEAF_TEST_SINGLE_HEADER
# include "leaf.hpp"
#else
# include <boost/leaf/on_error.hpp>
# include <boost/leaf/handle_errors.hpp>
# include <boost/leaf/result.hpp>
#endif
#include "lightweight_test.hpp"
namespace leaf = boost::leaf;
template <int>
struct info
{
int value;
};
template <class Thrower>
void g1( Thrower th )
{
auto load = leaf::on_error( info<1>{} );
th();
}
template <class Thrower>
void g2( Thrower th )
{
auto load = leaf::on_error(info<3>{}, info<2>{} );
th();
}
template <class Thrower>
void f1( Thrower th )
{
return g1(th);
}
template <class Thrower>
void f2( Thrower th )
{
return g2(th);
}
int main()
{
BOOST_TEST_EQ(1,
leaf::try_catch(
[]
{
f1( [] { leaf::throw_exception(); } );
return 0;
},
[]( leaf::error_info const & err, info<1> )
{
BOOST_TEST_EQ(err.error().value(), 5);
return 1;
},
[]( info<2> )
{
return 2;
},
[]( info<1>, info<2> )
{
return 3;
} ));
BOOST_TEST_EQ(2,
leaf::try_catch(
[]
{
f2( [] { leaf::throw_exception(); } );
return 0;
},
[]( info<1> )
{
return 1;
},
[]( leaf::error_info const & err, info<2>, info<3> )
{
BOOST_TEST_EQ(err.error().value(), 9);
return 2;
},
[]( info<1>, info<2> )
{
return 3;
} ));
BOOST_TEST_EQ(1,
leaf::try_catch(
[]
{
f1( [] { throw std::exception(); } );
return 0;
},
[]( leaf::error_info const & err, info<1> )
{
BOOST_TEST_EQ(err.error().value(), 13);
return 1;
},
[]( info<2> )
{
return 2;
},
[]( info<1>, info<2> )
{
return 3;
} ) );
BOOST_TEST_EQ(2,
leaf::try_catch(
[]
{
f2( [] { throw std::exception(); } );
return 0;
},
[]( info<1> )
{
return 1;
},
[]( leaf::error_info const & err, info<2>, info<3> )
{
BOOST_TEST_EQ(err.error().value(), 17);
return 2;
},
[]( info<1>, info<2> )
{
return 3;
} ));
return boost::report_errors();
}
#endif
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