123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154 |
- // 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 throw from public function (derived and bases) .pre().
- #include "../detail/oteststream.hpp"
- #include <boost/contract/public_function.hpp>
- #include <boost/contract/assert.hpp>
- #include <boost/contract/base_types.hpp>
- #include <boost/contract/override.hpp>
- #include <boost/contract/check.hpp>
- #include <boost/detail/lightweight_test.hpp>
- #include <sstream>
- boost::contract::test::detail::oteststream out;
- struct c_err {}; // Global decl so visible in MSVC10 lambdas.
- struct c {
- static void static_invariant() { out << "c::static_inv" << std::endl; }
- void invariant() const { out << "c::inv" << std::endl; }
-
- virtual void f(boost::contract::virtual_* v = 0) {
- boost::contract::check c = boost::contract::public_function(v, this)
- .precondition([] {
- out << "c::f::pre" << std::endl;
- BOOST_CONTRACT_ASSERT(false); // To check derived pre.
- })
- .old([] { out << "c::f::old" << std::endl; })
- .postcondition([] { out << "c::f::post" << std::endl; })
- .except([] { out << "c::f::except" << std::endl; })
- ;
- out << "c::f::body" << std::endl;
- }
- };
- struct b_err {}; // Global decl so visible in MSVC10 lambdas.
- struct b
- #define BASES public c
- : BASES
- {
- typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
- #undef BASES
- static void static_invariant() { out << "b::static_inv" << std::endl; }
- void invariant() const { out << "b::inv" << std::endl; }
- virtual void f(boost::contract::virtual_* v = 0) /* override */ {
- boost::contract::check c = boost::contract::public_function<override_f>(
- v, &b::f, this)
- .precondition([] {
- out << "b::f::pre" << std::endl;
- BOOST_CONTRACT_ASSERT(false); // To check derived pre.
- })
- .old([] { out << "b::f::old" << std::endl; })
- .postcondition([] { out << "b::f::post" << std::endl; })
- .except([] { out << "b::f::except" << std::endl; })
- ;
- out << "b::f::body" << std::endl;
- }
- BOOST_CONTRACT_OVERRIDE(f)
- };
- struct a_err {}; // Global decl so visible in MSVC10 lambdas.
- struct a
- #define BASES public b
- : BASES
- {
- typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
- #undef BASES
- static void static_invariant() { out << "a::static_inv" << std::endl; }
- void invariant() const { out << "a::inv" << std::endl; }
- void f(boost::contract::virtual_* v = 0) /* override */ {
- boost::contract::check c = boost::contract::public_function<override_f>(
- v, &a::f, this)
- .precondition([] {
- out << "a::f::pre" << std::endl;
- throw a_err(); // Test this throws.
- })
- .old([] { out << "a::f::old" << std::endl; })
- .postcondition([] { out << "a::f::post" << std::endl; })
- .except([] { out << "a::f::except" << std::endl; })
- ;
- out << "a::f::body" << std::endl;
- }
- BOOST_CONTRACT_OVERRIDE(f)
- };
- int main() {
- std::ostringstream ok;
- boost::contract::set_precondition_failure(
- [] (boost::contract::from) { throw; });
-
- a aa;
- b& ba = aa; // Test as virtual call via polymorphism.
- try {
- out.str("");
- ba.f();
- #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
- BOOST_TEST(false);
- } catch(a_err const&) {
- #endif
- ok.str(""); ok
- #ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
- << "c::static_inv" << std::endl
- << "c::inv" << std::endl
- << "b::static_inv" << std::endl
- << "b::inv" << std::endl
- << "a::static_inv" << std::endl
- << "a::inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_PRECONDITIONS
- << "c::f::pre" << std::endl
- << "b::f::pre" << std::endl
- << "a::f::pre" << std::endl // Test this threw.
- #else
- #ifndef BOOST_CONTRACT_NO_OLDS
- << "c::f::old" << std::endl
- << "b::f::old" << std::endl
- << "a::f::old" << std::endl
- #endif
- << "a::f::body" << std::endl
- #ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
- << "c::static_inv" << std::endl
- << "c::inv" << std::endl
- << "b::static_inv" << std::endl
- << "b::inv" << std::endl
- << "a::static_inv" << std::endl
- << "a::inv" << std::endl
- #endif
- #ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
- << "c::f::old" << std::endl
- << "c::f::post" << std::endl
- << "b::f::old" << std::endl
- << "b::f::post" << std::endl
- // No old call here because not a base object.
- << "a::f::post" << std::endl
- #endif
- #endif
- ;
- BOOST_TEST(out.eq(ok.str()));
- } catch(...) { BOOST_TEST(false); }
- return boost::report_errors();
- }
|