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https://github.com/boostorg/contract.git
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139 lines
3.3 KiB
C++
139 lines
3.3 KiB
C++
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#include "aux_/oteststream.hpp"
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#include <boost/contract/destructor.hpp>
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#include <boost/contract/base_types.hpp>
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#include <boost/scope_exit.hpp>
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#include <boost/detail/lightweight_test.hpp>
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#include <sstream>
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// Test destructor contracts for classes with and without bases.
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boost::contract::aux::test::oteststream out;
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struct d { // Test inheritance level 0.
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void invariant() const {
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out << "d::inv" << std::endl;
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}
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static void static_invariant() {
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out << "d::static_inv" << std::endl;
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}
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~d() {
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boost::contract::type c = boost::contract::destructor(this)
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.postcondition([&] () {
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out << "d::dtor::post" << std::endl;
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})
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;
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out << "d::dtor::body" << std::endl;
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}
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};
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struct c // Test inheritance level 1.
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#define BASES public d
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: BASES
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{
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typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
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#undef BASES
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void invariant() const {
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out << "c::inv" << std::endl;
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}
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static void static_invariant() {
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out << "c::static_inv" << std::endl;
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}
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~c() {
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boost::contract::type c = boost::contract::destructor(this)
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.postcondition([&] () {
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out << "c::dtor::post" << std::endl;
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})
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;
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out << "c::dtor::body" << std::endl;
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}
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};
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struct b { // Test inheritance level 0.
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void invariant() const {
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out << "b::inv" << std::endl;
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}
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static void static_invariant() {
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out << "b::static_inv" << std::endl;
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}
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~b() {
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boost::contract::type c = boost::contract::destructor(this)
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.postcondition([&] () {
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out << "b::dtor::post" << std::endl;
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})
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;
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out << "b::dtor::body" << std::endl;
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}
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};
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struct a // Test multiple inheritance and inheritance level 2.
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#define BASES public b, public c
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: BASES
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{
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typedef BOOST_CONTRACT_BASE_TYPES(BASES) base_types;
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#undef BASES
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void invariant() const {
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out << "a::inv" << std::endl;
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}
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static void static_invariant() {
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out << "a::static_inv" << std::endl;
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}
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~a() {
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boost::contract::type c = boost::contract::destructor(this)
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.postcondition([&] () {
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out << "a::dtor::post" << std::endl;
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})
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;
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out << "a::dtor::body" << std::endl;
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}
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};
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int main() {
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std::ostringstream ok;
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{
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a aa;
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out.str("");
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} // `a`'s destructor called, and `out` set, here.
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ok.str("");
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ok
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<< "a::static_inv" << std::endl
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<< "a::inv" << std::endl
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<< "a::dtor::body" << std::endl
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<< "a::static_inv" << std::endl
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<< "a::dtor::post" << std::endl
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<< "c::static_inv" << std::endl
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<< "c::inv" << std::endl
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<< "c::dtor::body" << std::endl
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<< "c::static_inv" << std::endl
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<< "c::dtor::post" << std::endl
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<< "d::static_inv" << std::endl
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<< "d::inv" << std::endl
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<< "d::dtor::body" << std::endl
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<< "d::static_inv" << std::endl
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<< "d::dtor::post" << std::endl
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<< "b::static_inv" << std::endl
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<< "b::inv" << std::endl
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<< "b::dtor::body" << std::endl
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<< "b::static_inv" << std::endl
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<< "b::dtor::post" << std::endl
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;
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BOOST_TEST(out.check(ok.str()));
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return boost::report_errors();
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}
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