//Copyright (c) 2018 Emil Dotchevski //Copyright (c) 2018 Second Spectrum, 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 #include #include #include "boost/core/lightweight_test.hpp" namespace leaf = boost::leaf; struct my_error: std::exception { }; struct info { int value; }; void g1() { auto propagate = leaf::preload( info{1} ); } void g2() { throw my_error(); } void f() { auto propagate = leaf::preload( info{2} ); g1(); g2(); } int main() { leaf::expect exp; try { f(); } catch( my_error & e ) { int c=0; handle_exception( exp, e, [&c]( info const & x ) { BOOST_TEST(x.value==2); ++c; } ); BOOST_TEST(c==1); } return boost::report_errors(); }