1 2 // Copyright (C) 2008-2018 Lorenzo Caminiti 3 // Distributed under the Boost Software License, Version 1.0 (see accompanying 4 // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt). 5 // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html 6 7 // Test throw from free function .old(). 8 9 #include "../detail/oteststream.hpp" 10 #include <boost/contract/function.hpp> 11 #include <boost/contract/check.hpp> 12 #include <boost/detail/lightweight_test.hpp> 13 #include <sstream> 14 15 boost::contract::test::detail::oteststream out; 16 17 struct err {}; // Global decl so visible in MSVC10 lambdas. 18 f()19void f() { 20 boost::contract::check c = boost::contract::function() 21 .precondition([] { out << "f::pre" << std::endl; }) 22 .old([] { 23 out << "f::old" << std::endl; 24 throw err(); // Test this throws. 25 }) 26 .postcondition([] { out << "f::post" << std::endl; }) 27 .except([] { out << "f::except" << std::endl; }) 28 ; 29 out << "f::body" << std::endl; 30 } 31 main()32int main() { 33 std::ostringstream ok; 34 35 boost::contract::set_old_failure([] (boost::contract::from) { throw; }); 36 37 try { 38 out.str(""); 39 f(); 40 #ifndef BOOST_CONTRACT_NO_OLDS 41 BOOST_TEST(false); 42 } catch(err const&) { 43 #endif 44 ok.str(""); ok 45 #ifndef BOOST_CONTRACT_NO_PRECONDITIONS 46 << "f::pre" << std::endl 47 #endif 48 #ifndef BOOST_CONTRACT_NO_OLDS 49 << "f::old" << std::endl // Test this threw. 50 #else 51 << "f::body" << std::endl 52 #endif 53 ; 54 BOOST_TEST(out.eq(ok.str())); 55 } catch(...) { BOOST_TEST(false); } 56 57 return boost::report_errors(); 58 } 59 60