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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 exit static invariants.
#define BOOST_CONTRACT_TEST_NO_A_STATIC_INV
#undef BOOST_CONTRACT_TEST_NO_B_STATIC_INV
#define BOOST_CONTRACT_TEST_NO_C_STATIC_INV
#include "decl.hpp"
#include <boost/preprocessor/control/iif.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::inv" << std::endl
#endif
#ifndef BOOST_CONTRACT_NO_OLDS
<< "a::dtor::old" << std::endl
#endif
<< "a::dtor::body" << std::endl
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< "a::dtor::post" << std::endl
#endif
;
return ok.str();
}
std::string ok_b(bool failed = false) {
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 // This can fail.
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< (!failed ? "b::dtor::post\n" : "")
#endif
;
return ok.str();
}
std::string ok_c(bool threw = false) {
std::ostringstream ok; ok
#ifndef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
<< "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
<< (threw ? "c::inv\n" : "")
#endif
#ifndef BOOST_CONTRACT_NO_POSTCONDITIONS
<< (!threw ? "c::dtor::post\n" : "")
#endif
;
return ok.str();
}
struct err {}; // Global decl so visible in MSVC10 lambdas.
int main() {
std::ostringstream ok;
#ifdef BOOST_CONTRACT_NO_ENTRY_INVARIANTS
#define BOOST_CONTRACT_TEST_entry_inv 0
#else
#define BOOST_CONTRACT_TEST_entry_inv 1
#endif
#ifdef BOOST_CONTRACT_NO_EXIT_INVARIANTS
#define BOOST_CONTRACT_TEST_exit_inv 0
#else
#define BOOST_CONTRACT_TEST_exit_inv 1
#endif
a_exit_static_inv = true;
b_exit_static_inv = true;
c_exit_static_inv = true;
a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
{
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_exit_invariant_failure([&ok] (boost::contract::from) {
BOOST_TEST(out.eq(ok.str())); // Must check before dtor throws.
throw err(); // For testing only (as dtors should not throw otherwise).
});
a_exit_static_inv = false;
b_exit_static_inv = true;
c_exit_static_inv = true;
a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
try {
{
a aa;
ok.str("");
out.str("");
}
ok.str(""); ok
<< ok_a() // Test no exit a::static_inv so no failure here.
<< ok_b()
<< ok_c()
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
a_exit_static_inv = true;
b_exit_static_inv = false;
c_exit_static_inv = true;
a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
try {
{
a aa;
ok.str(""); ok
<< ok_a()
// Test exit b::static_inv failed...
<< ok_b(BOOST_CONTRACT_TEST_exit_inv)
;
out.str("");
}
#ifndef BOOST_CONTRACT_NO_EXIT_INVARIANTS
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_exit_inv)
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
a_exit_static_inv = true;
b_exit_static_inv = true;
c_exit_static_inv = false;
a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
try {
{
a aa;
ok.str("");
out.str("");
}
ok.str(""); ok
<< ok_a()
<< ok_b()
// Test no exit c::static_inv so no failure here.
<< ok_c()
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
boost::contract::set_exit_invariant_failure([] (boost::contract::from) {
// Testing multiple failures so dtors must not throw multiple except,
// just ignore failure and continue test program (for testing only).
});
a_exit_static_inv = false;
b_exit_static_inv = false;
c_exit_static_inv = false;
a_entering_static_inv = b_entering_static_inv = c_entering_static_inv =
BOOST_PP_IIF(BOOST_CONTRACT_TEST_entry_inv, true, false);
{
a aa;
out.str("");
}
ok.str(""); ok
// Test no exit a::static_inv so no faliure here.
<< ok_a()
// Test exit b::static_inv failed (as all did).
<< ok_b(BOOST_CONTRACT_TEST_exit_inv)
// Test no exit c::static_inv so no failure here.
<< ok_c()
;
BOOST_TEST(out.eq(ok.str()));
#undef BOOST_CONTRACT_TEST_entry_inv
#undef BOOST_CONTRACT_TEST_exit_inv
return boost::report_errors();
}
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