59 lines
1.1 KiB
C++
59 lines
1.1 KiB
C++
// Copyright (c) 2018-2021 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/on_error.hpp>
|
|
# include <boost/leaf/handle_errors.hpp>
|
|
# include <boost/leaf/result.hpp>
|
|
#endif
|
|
|
|
#include "lightweight_test.hpp"
|
|
|
|
namespace leaf = boost::leaf;
|
|
|
|
struct info { int value; };
|
|
|
|
leaf::result<void> g1()
|
|
{
|
|
auto load = leaf::on_error( info{1} );
|
|
return { };
|
|
}
|
|
|
|
leaf::result<void> g2()
|
|
{
|
|
return leaf::new_error();
|
|
}
|
|
|
|
leaf::result<void> f()
|
|
{
|
|
auto load = leaf::on_error( info{2} );
|
|
BOOST_LEAF_CHECK(g1());
|
|
return g2();
|
|
}
|
|
|
|
int main()
|
|
{
|
|
int r = leaf::try_handle_all(
|
|
[]() -> leaf::result<int>
|
|
{
|
|
BOOST_LEAF_CHECK(f());
|
|
return 1;
|
|
},
|
|
[]( info x )
|
|
{
|
|
BOOST_TEST_EQ(x.value, 2);
|
|
return 2;
|
|
},
|
|
[]
|
|
{
|
|
return 3;
|
|
} );
|
|
BOOST_TEST_EQ(r, 2);
|
|
|
|
return boost::report_errors();
|
|
}
|