contract/test/public_function/decl_pre_ends.cpp
2017-12-10 16:31:15 -08:00

160 lines
4.3 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 derived and grandparent classes (ends) with preconditions.
#undef BOOST_CONTRACT_TEST_NO_A_PRE
#define BOOST_CONTRACT_TEST_NO_B_PRE
#undef BOOST_CONTRACT_TEST_NO_C_PRE
#include "decl.hpp"
#include <boost/detail/lightweight_test.hpp>
#include <sstream>
#include <string>
std::string ok_begin() {
std::ostringstream ok; ok << "" // Suppress a warning.
#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
;
return ok.str();
}
std::string ok_end() {
std::ostringstream ok; ok
#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 // Old only if post (or except) run.
<< "c::f::post" << std::endl
<< "b::f::old" << std::endl
<< "b::f::post" << std::endl
<< "a::f::post" << std::endl
#endif
;
return ok.str();
}
struct err {}; // Global decl so visible in MSVC10 lambdas.
int main() {
std::ostringstream ok;
a aa;
a_pre = true;
b_pre = true;
c_pre = true;
out.str("");
aa.f();
ok.str(""); ok // Test nothing failed.
<< ok_begin()
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "c::f::pre" << std::endl // Test only c pre checked.
#endif
<< ok_end()
;
BOOST_TEST(out.eq(ok.str()));
a_pre = true;
b_pre = false;
c_pre = false;
out.str("");
aa.f();
ok.str(""); ok
<< ok_begin()
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "c::f::pre" << std::endl
// Test b's pre not checked.
<< "a::f::pre" << std::endl
#endif
<< ok_end()
;
BOOST_TEST(out.eq(ok.str()));
a_pre = false;
b_pre = false;
c_pre = true;
out.str("");
aa.f();
ok.str(""); ok
<< ok_begin()
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "c::f::pre" << std::endl // Test only c pre checked.
#endif
<< ok_end()
;
BOOST_TEST(out.eq(ok.str()));
boost::contract::set_precondition_failure(
[] (boost::contract::from) { throw err(); });
a_pre = false;
b_pre = true;
c_pre = false;
out.str("");
try {
aa.f();
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
BOOST_TEST(false);
} catch(err const&) {
#endif
ok.str(""); ok
<< ok_begin()
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "c::f::pre" << std::endl
<< "a::f::pre" << std::endl // Only ends pre checked and failed.
#else
<< ok_end()
#endif
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
a_pre = false;
b_pre = false;
c_pre = false;
out.str("");
try {
aa.f();
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
BOOST_TEST(false);
} catch(err const&) {
#endif
ok.str(""); ok
<< ok_begin()
#ifndef BOOST_CONTRACT_NO_PRECONDITIONS
<< "c::f::pre" << std::endl
<< "a::f::pre" << std::endl // Only ends pre checked and failed.
#else
<< ok_end()
#endif
;
BOOST_TEST(out.eq(ok.str()));
} catch(...) { BOOST_TEST(false); }
return boost::report_errors();
}