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- // Copyright (C) 2008-2018 Lorenzo Caminiti
- // Distributed under the Boost Software License, Version 1.0 (see accompanying
- // file LICENSE_1_0.txt or a copy at http://www.boost.org/LICENSE_1_0.txt).
- // See: http://www.boost.org/doc/libs/release/libs/contract/doc/html/index.html
- // Test only middle base class with postconditions.
- #define BOOST_CONTRACT_TEST_NO_A_POST
- #undef BOOST_CONTRACT_TEST_NO_B_POST
- #define BOOST_CONTRACT_TEST_NO_C_POST
- #include "decl.hpp"
- #include <boost/detail/lightweight_test.hpp>
- #include <sstream>
- #include <string>
- std::string ok_a() {
- std::ostringstream ok; ok
- #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
- << "a::static_inv" << std::endl
- << "a::inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_OLDS
- << "a::dtor::old" << std::endl
- #endif
- << "a::dtor::body" << std::endl
- #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
- << "a::static_inv" << std::endl
- #endif
- ;
- return ok.str();
- }
- std::string ok_b() {
- std::ostringstream ok; ok
- #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
- << "b::static_inv" << std::endl
- << "b::inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_OLDS
- << "b::dtor::old" << std::endl
- #endif
- << "b::dtor::body" << std::endl
- #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
- << "b::static_inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
- << "b::dtor::post" << std::endl // This can fail.
- #endif
- ;
- return ok.str();
- }
- std::string ok_c(bool threw = false) {
- std::ostringstream ok; ok
- #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
- << "c::static_inv" << std::endl
- << "c::inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_OLDS
- << "c::dtor::old" << std::endl
- #endif
- << "c::dtor::body" << std::endl
- #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
- << "c::static_inv" << std::endl
- << (threw ? "c::inv\n" : "")
- #endif
- ;
- return ok.str();
- }
- struct err {}; // Global decl so visible in MSVC10 lambdas.
- int main() {
- std::ostringstream ok;
-
- a_post = true;
- b_post = true;
- c_post = true;
- {
- a aa;
- out.str("");
- }
- ok.str(""); ok // Test nothing failed.
- << ok_a()
- << ok_b()
- << ok_c()
- ;
- BOOST_TEST(out.eq(ok.str()));
-
- boost::contract::set_postcondition_failure([&ok] (boost::contract::from) {
- BOOST_TEST(out.eq(ok.str())); // Must check before dtor throws...
- throw err(); // ... for testing (as dtors should never throw anyways).
- });
- a_post = false;
- b_post = true;
- c_post = true;
- try {
- {
- a aa;
- out.str("");
- }
- ok.str(""); ok
- << ok_a() // Test no a::dtor::post so no failure here.
- << ok_b()
- << ok_c()
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
- #ifdef BOOST_CONTRACT_NO_POSTCONDITIONS
- #define BOOST_CONTRACT_TEST_post 0
- #else
- #define BOOST_CONTRACT_TEST_post 1
- #endif
-
- a_post = true;
- b_post = false;
- c_post = true;
- try {
- {
- a aa;
- ok.str(""); ok
- << ok_a()
- << ok_b() // Test b::dtor::post failed.
- ;
- out.str("");
- }
- #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
- BOOST_TEST(false);
- } catch(err const&) {
- #endif
- ok // ... then exec other dtors and check inv on throw (as dtor threw).
- << ok_c(BOOST_CONTRACT_TEST_post)
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
-
- a_post = true;
- b_post = true;
- c_post = false;
- try {
- {
- a aa;
- out.str("");
- }
- ok.str(""); ok
- << ok_a()
- << ok_b()
- << ok_c() // Test no c::dtor::post so no failure here.
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
-
- a_post = false;
- b_post = false;
- c_post = false;
- try {
- {
- a aa;
- ok.str(""); ok
- << ok_a()
- << ok_b() // Test b::dtor::post failed.
- ;
- out.str("");
- }
- #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
- BOOST_TEST(false);
- } catch(err const&) {
- #endif
- ok // ... then exec other dtors and check inv on throw (as dtor threw).
- << ok_c(BOOST_CONTRACT_TEST_post)
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
- #undef BOOST_CONTRACT_TEST_post
- return boost::report_errors();
- }
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