57 lines
1.2 KiB
C++
57 lines
1.2 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/context.hpp>
|
|
# include <boost/leaf/handle_errors.hpp>
|
|
# include <boost/leaf/result.hpp>
|
|
#endif
|
|
|
|
#include "lightweight_test.hpp"
|
|
#include <iostream>
|
|
|
|
namespace leaf = boost::leaf;
|
|
|
|
template <int>
|
|
struct info
|
|
{
|
|
int value;
|
|
};
|
|
|
|
template <class Ctx>
|
|
leaf::result<int> f( Ctx & ctx )
|
|
{
|
|
auto active_context = activate_context(ctx);
|
|
return leaf::new_error( info<1>{1} );
|
|
}
|
|
|
|
int main()
|
|
{
|
|
leaf::context<info<1>, leaf::verbose_diagnostic_info const &> ctx;
|
|
|
|
{
|
|
leaf::result<int> r1 = f(ctx);
|
|
BOOST_TEST(!r1);
|
|
|
|
int r2 = ctx.handle_error<int>(
|
|
r1.error(),
|
|
[]( info<1> x )
|
|
{
|
|
BOOST_TEST(x.value==1);
|
|
return 1;
|
|
},
|
|
[]( leaf::verbose_diagnostic_info const & info )
|
|
{
|
|
std::cout << info;
|
|
return 2;
|
|
} );
|
|
BOOST_TEST_EQ(r2, 1);
|
|
}
|
|
|
|
return boost::report_errors();
|
|
}
|