contract/test/destructor/decl_post_mid.cpp
2017-12-10 16:31:15 -08:00

183 lines
4.8 KiB
C++

// 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();
}