// 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) #ifdef BOOST_LEAF_TEST_SINGLE_HEADER # include "leaf.hpp" #else # include # include # include #endif #if BOOST_LEAF_CFG_STD_STRING # include # include #endif #include #include "lightweight_test.hpp" namespace leaf = boost::leaf; template struct info { int value; }; leaf::result f1() { return leaf::new_error(info<1>{11}, info<2>{21}); } leaf::result f2() { return leaf::try_handle_some( [] { return f1(); }, [] { return leaf::new_error(info<1>{12}); } ); } leaf::result f3() { return leaf::try_handle_some( [] { return f1(); }, [](leaf::diagnostic_details const &) { return leaf::new_error(info<1>{13}); } ); } leaf::result f4() { return leaf::try_handle_some( [] { return f1(); }, [](leaf::diagnostic_details const & e) { return e.error().load(info<1>{14}); } ); } int main() { leaf::try_handle_all([]() -> leaf::result { return f2(); }, [](leaf::diagnostic_details const & e) { #if BOOST_LEAF_CFG_STD_STRING std::ostringstream st; st << e; std::string s = st.str(); std::cout << s << std::endl; if( BOOST_LEAF_CFG_DIAGNOSTICS && BOOST_LEAF_CFG_CAPTURE ) { BOOST_TEST_EQ(s.find(": 11"), s.npos); BOOST_TEST_NE(s.find(": 12"), s.npos); BOOST_TEST_EQ(s.find(": 21"), s.npos); } #endif } ); leaf::try_handle_all([]() -> leaf::result { return f3(); }, [](leaf::diagnostic_details const & e) { #if BOOST_LEAF_CFG_STD_STRING std::ostringstream st; st << e; std::string s = st.str(); std::cout << s << std::endl; if( BOOST_LEAF_CFG_DIAGNOSTICS && BOOST_LEAF_CFG_CAPTURE ) { BOOST_TEST_EQ(s.find(": 11"), s.npos); BOOST_TEST_NE(s.find(": 13"), s.npos); BOOST_TEST_EQ(s.find(": 21"), s.npos); } #endif } ); leaf::try_handle_all([]() -> leaf::result { return f4(); }, [](leaf::diagnostic_details const & e) { #if BOOST_LEAF_CFG_STD_STRING std::ostringstream st; st << e; std::string s = st.str(); std::cout << s << std::endl; if( BOOST_LEAF_CFG_DIAGNOSTICS && BOOST_LEAF_CFG_CAPTURE ) { BOOST_TEST_EQ(s.find(": 12"), s.npos); BOOST_TEST_NE(s.find(": 14"), s.npos); BOOST_TEST_NE(s.find(": 21"), s.npos); } #endif } ); return boost::report_errors(); }