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// -*- c++ -*-
//*****************************************************************************
/** @file CWeakPtrFacadeTest.cc
*
* @author Alexander Dreyer
* @date 2011-06-14
*
* boost/test-driven unit test
*
* @par Copyright:
* (c) 2011 by The PolyBoRi Team
*
**/
//*****************************************************************************
#include <boost/test/unit_test.hpp>
#include <boost/version.hpp>
#if BOOST_VERSION < 107100
#include <boost/test/output_test_stream.hpp>
#else
#include <boost/test/tools/output_test_stream.hpp>
#endif
using boost::test_tools::output_test_stream;
#include <polybori/pbori_defs.h>
#include <polybori.h>
USING_NAMESPACE_PBORI
struct FWeakptrFac {
FWeakptrFac() { BOOST_TEST_MESSAGE( "setup fixture" ); }
~FWeakptrFac() { BOOST_TEST_MESSAGE( "teardown fixture" ); }
};
class uses_weakptr :
public CWeakPtrFacade<uses_weakptr> {
public:
uses_weakptr(int data = 17): CWeakPtrFacade<uses_weakptr>(), m_data(data) {}
int value() const { return m_data; }
uses_weakptr* internal_ptr() const {
return *CWeakPtrFacade<uses_weakptr>::m_data;
}
private:
int m_data;
};
BOOST_FIXTURE_TEST_SUITE(CWeakPtrFacadeTestSuite, FWeakptrFac)
BOOST_AUTO_TEST_CASE(test_construction) {
BOOST_TEST_MESSAGE( "constructors/destructors..." );
uses_weakptr* ptrinstance = new uses_weakptr(11);
CWeakPtr<uses_weakptr> ptrbase(*ptrinstance);
BOOST_CHECK_EQUAL(ptrinstance->internal_ptr(), ptrinstance);
BOOST_CHECK_EQUAL(ptrbase.operator->(), ptrinstance);
CWeakPtr<uses_weakptr> outercopy(ptrbase);
BOOST_CHECK_EQUAL(outercopy.operator->(), ptrinstance);
uses_weakptr innercopy(*ptrinstance);
BOOST_CHECK_EQUAL(innercopy.internal_ptr(), &innercopy);
BOOST_CHECK_NE(innercopy.internal_ptr(), ptrinstance->internal_ptr());
delete ptrinstance;
BOOST_CHECK_EQUAL(ptrbase, false);
BOOST_CHECK_EQUAL(outercopy, false);
BOOST_CHECK_THROW(ptrbase.operator->(), std::exception);
BOOST_CHECK_THROW(outercopy.operator->(), std::exception);
}
BOOST_AUTO_TEST_CASE(test_operations) {
BOOST_TEST_MESSAGE( "pointer/deref/bool operation..." );
uses_weakptr ptrinstance(19);
BOOST_CHECK_EQUAL(ptrinstance.value(), 19); // check whether class does
// something useful
CWeakPtr<uses_weakptr> ptrbase(ptrinstance);
BOOST_CHECK_EQUAL(ptrbase.operator->(), &ptrinstance);
uses_weakptr* ptrinst1 = new uses_weakptr(13);
CWeakPtr<uses_weakptr> ptrbase1(*ptrinst1);
BOOST_CHECK_EQUAL(ptrbase1.operator->(), ptrinst1);
BOOST_CHECK_EQUAL(ptrbase1->value(), 13);
BOOST_CHECK_EQUAL(&(*ptrbase1), ptrinst1);
BOOST_CHECK_EQUAL((*ptrbase1).value(), 13);
delete ptrinst1;
BOOST_CHECK_EQUAL(ptrbase1, false);
BOOST_CHECK_THROW(ptrbase1.operator->(), std::exception);
BOOST_CHECK_THROW(*ptrbase1, std::exception);
ptrinst1 = new uses_weakptr(23);
ptrbase1 = CWeakPtr<uses_weakptr>(*ptrinst1);
BOOST_CHECK_EQUAL(ptrbase1.operator->(), ptrinst1);
uses_weakptr newinst(*ptrinst1);
delete ptrinst1;
BOOST_CHECK_EQUAL(newinst.value(), 23);
}
BOOST_AUTO_TEST_CASE(test_ring) {
BOOST_TEST_MESSAGE( "Primary usability check..." );
BoolePolyRing ring(17);
WeakRingPtr weakptr(ring);
BoolePolyRing ringnew(*weakptr);
BOOST_CHECK_EQUAL(ring.id(), ringnew.id());
BOOST_TEST_MESSAGE( "we can get a strong reference..." );
BoolePolyRing* pring = new BoolePolyRing(17);
weakptr = WeakRingPtr(*pring);
ringnew = BoolePolyRing(*weakptr);
long store_id = pring->id();
BOOST_CHECK_EQUAL(store_id, ringnew.id());
delete pring;
BOOST_CHECK_EQUAL(store_id, ringnew.id());
BOOST_TEST_MESSAGE( "a weak reference throws if invalid..." );
pring = new BoolePolyRing(17);
weakptr = WeakRingPtr(*pring);
store_id = pring->id();
BOOST_CHECK_EQUAL(store_id, BoolePolyRing(*weakptr).id());
delete pring;
BOOST_CHECK_EQUAL(weakptr, false);
BOOST_CHECK_THROW((*weakptr), std::exception);
}
BOOST_AUTO_TEST_SUITE_END()
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