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-rw-r--r--indra/test/llevents_tut.cpp222
1 files changed, 43 insertions, 179 deletions
diff --git a/indra/test/llevents_tut.cpp b/indra/test/llevents_tut.cpp
index 9ff0f5086d..a8a3188249 100644
--- a/indra/test/llevents_tut.cpp
+++ b/indra/test/llevents_tut.cpp
@@ -492,196 +492,60 @@ void events_object::test<10>()
heaptest.stopListening("temp");
}
-template<> template<>
-void events_object::test<11>()
-{
- set_test_name("listen(boost::bind(...weak_ptr...))");
- // listen() detecting weak_ptr<TempListener> in boost::bind() object
- bool live = false;
- LLEventPump& heaptest(pumps.obtain("heaptest"));
- LLBoundListener connection;
- ensure("default state", !connection.connected());
- {
- boost::shared_ptr<TempListener> newListener(new TempListener("heap", live));
- newListener->reset();
- ensure("TempListener constructed", live);
- connection = heaptest.listen(newListener->getName(),
- boost::bind(&Listener::call,
- weaken(newListener),
- _1));
- ensure("new connection", connection.connected());
- heaptest.post(1);
- check_listener("received", *newListener, 1);
- } // presumably this will make newListener go away?
- // verify that
- ensure("TempListener destroyed", !live);
- ensure("implicit disconnect", !connection.connected());
- // now just make sure we don't blow up trying to access a freed object!
- heaptest.post(2);
-}
-
-template<> template<>
-void events_object::test<12>()
-{
- set_test_name("listen(boost::bind(...shared_ptr...))");
- /*==========================================================================*|
- // DISABLED because I've made this case produce a compile error.
- // Following the error leads the disappointed dev to a comment
- // instructing her to use the weaken() function to bind a weak_ptr<T>
- // instead of binding a shared_ptr<T>, and explaining why. I know of
- // no way to use TUT to code a repeatable test in which the expected
- // outcome is a compile error. The interested reader is invited to
- // uncomment this block and build to see for herself.
-
- // listen() detecting shared_ptr<TempListener> in boost::bind() object
- bool live = false;
- LLEventPump& heaptest(pumps.obtain("heaptest"));
- LLBoundListener connection;
- std::string listenerName("heap");
- ensure("default state", !connection.connected());
- {
- boost::shared_ptr<TempListener> newListener(new TempListener(listenerName, live));
- ensure_equals("use_count", newListener.use_count(), 1);
- newListener->reset();
- ensure("TempListener constructed", live);
- connection = heaptest.listen(newListener->getName(),
- boost::bind(&Listener::call, newListener, _1));
- ensure("new connection", connection.connected());
- ensure_equals("use_count", newListener.use_count(), 2);
- heaptest.post(1);
- check_listener("received", *newListener, 1);
- } // this should make newListener go away...
- // Unfortunately, the fact that we've bound a shared_ptr by value into
- // our LLEventPump means that copy will keep the referenced object alive.
- ensure("TempListener still alive", live);
- ensure("still connected", connection.connected());
- // disconnecting explicitly should delete the TempListener...
- heaptest.stopListening(listenerName);
-#if 0 // however, in my experience, it does not. I don't know why not.
- // Ah: on 2009-02-19, Frank Mori Hess, author of the Boost.Signals2
- // library, stated on the boost-users mailing list:
- // http://www.nabble.com/Re%3A--signals2--review--The-review-of-the-signals2-library-(formerly-thread_safe_signals)-begins-today%2C-Nov-1st-p22102367.html
- // "It will get destroyed eventually. The signal cleans up its slot
- // list little by little during connect/invoke. It doesn't immediately
- // remove disconnected slots from the slot list since other threads
- // might be using the same slot list concurrently. It might be
- // possible to make it immediately reset the shared_ptr owning the
- // slot though, leaving an empty shared_ptr in the slot list, since
- // that wouldn't invalidate any iterators."
- ensure("TempListener destroyed", ! live);
- ensure("implicit disconnect", ! connection.connected());
-#endif // 0
- // now just make sure we don't blow up trying to access a freed object!
- heaptest.post(2);
-|*==========================================================================*/
-}
-
class TempTrackableListener: public TempListener, public LLEventTrackable
{
public:
-TempTrackableListener(const std::string& name, bool& liveFlag):
- TempListener(name, liveFlag)
-{}
+ TempTrackableListener(const std::string& name, bool& liveFlag):
+ TempListener(name, liveFlag)
+ {}
};
template<> template<>
-void events_object::test<13>()
-{
-set_test_name("listen(boost::bind(...TempTrackableListener ref...))");
-bool live = false;
-LLEventPump& heaptest(pumps.obtain("heaptest"));
-LLBoundListener connection;
+void events_object::test<11>()
{
- TempTrackableListener tempListener("temp", live);
- ensure("TempTrackableListener constructed", live);
- connection = heaptest.listen(tempListener.getName(),
- boost::bind(&TempTrackableListener::call,
- boost::ref(tempListener), _1));
- heaptest.post(1);
- check_listener("received", tempListener, 1);
-} // presumably this will make tempListener go away?
-// verify that
-ensure("TempTrackableListener destroyed", ! live);
-ensure("implicit disconnect", ! connection.connected());
-// now just make sure we don't blow up trying to access a freed object!
-heaptest.post(2);
+ set_test_name("listen(boost::bind(...TempTrackableListener ref...))");
+ bool live = false;
+ LLEventPump& heaptest(pumps.obtain("heaptest"));
+ LLBoundListener connection;
+ {
+ TempTrackableListener tempListener("temp", live);
+ ensure("TempTrackableListener constructed", live);
+ connection = heaptest.listen(tempListener.getName(),
+ boost::bind(&TempTrackableListener::call,
+ boost::ref(tempListener), _1));
+ heaptest.post(1);
+ check_listener("received", tempListener, 1);
+ } // presumably this will make tempListener go away?
+ // verify that
+ ensure("TempTrackableListener destroyed", ! live);
+ ensure("implicit disconnect", ! connection.connected());
+ // now just make sure we don't blow up trying to access a freed object!
+ heaptest.post(2);
}
template<> template<>
-void events_object::test<14>()
-{
-set_test_name("listen(boost::bind(...TempTrackableListener pointer...))");
-bool live = false;
-LLEventPump& heaptest(pumps.obtain("heaptest"));
-LLBoundListener connection;
+void events_object::test<12>()
{
- TempTrackableListener* newListener(new TempTrackableListener("temp", live));
- ensure("TempTrackableListener constructed", live);
- connection = heaptest.listen(newListener->getName(),
- boost::bind(&TempTrackableListener::call,
- newListener, _1));
- heaptest.post(1);
- check_listener("received", *newListener, 1);
- // explicitly destroy newListener
- delete newListener;
-}
-// verify that
-ensure("TempTrackableListener destroyed", ! live);
-ensure("implicit disconnect", ! connection.connected());
-// now just make sure we don't blow up trying to access a freed object!
-heaptest.post(2);
+ set_test_name("listen(boost::bind(...TempTrackableListener pointer...))");
+ bool live = false;
+ LLEventPump& heaptest(pumps.obtain("heaptest"));
+ LLBoundListener connection;
+ {
+ TempTrackableListener* newListener(new TempTrackableListener("temp", live));
+ ensure("TempTrackableListener constructed", live);
+ connection = heaptest.listen(newListener->getName(),
+ boost::bind(&TempTrackableListener::call,
+ newListener, _1));
+ heaptest.post(1);
+ check_listener("received", *newListener, 1);
+ // explicitly destroy newListener
+ delete newListener;
+ }
+ // verify that
+ ensure("TempTrackableListener destroyed", ! live);
+ ensure("implicit disconnect", ! connection.connected());
+ // now just make sure we don't blow up trying to access a freed object!
+ heaptest.post(2);
}
-class TempSharedListener: public TempListener,
-public boost::enable_shared_from_this<TempSharedListener>
-{
-public:
-TempSharedListener(const std::string& name, bool& liveFlag):
- TempListener(name, liveFlag)
-{}
-};
-
-template<> template<>
-void events_object::test<15>()
-{
- set_test_name("listen(boost::bind(...TempSharedListener ref...))");
-#if 0
-bool live = false;
-LLEventPump& heaptest(pumps.obtain("heaptest"));
-LLBoundListener connection;
-{
- // We MUST have at least one shared_ptr to an
- // enable_shared_from_this subclass object before
- // shared_from_this() can work.
- boost::shared_ptr<TempSharedListener>
- tempListener(new TempSharedListener("temp", live));
- ensure("TempSharedListener constructed", live);
- // However, we're not passing either the shared_ptr or its
- // corresponding weak_ptr -- instead, we're passing a reference to
- // the TempSharedListener.
-/*==========================================================================*|
- std::cout << "Capturing const ref" << std::endl;
- const boost::enable_shared_from_this<TempSharedListener>& cref(*tempListener);
- std::cout << "Capturing const ptr" << std::endl;
- const boost::enable_shared_from_this<TempSharedListener>* cp(&cref);
- std::cout << "Capturing non-const ptr" << std::endl;
- boost::enable_shared_from_this<TempSharedListener>* p(const_cast<boost::enable_shared_from_this<TempSharedListener>*>(cp));
- std::cout << "Capturing shared_from_this()" << std::endl;
- boost::shared_ptr<TempSharedListener> sp(p->shared_from_this());
- std::cout << "Capturing weak_ptr" << std::endl;
- boost::weak_ptr<TempSharedListener> wp(weaken(sp));
- std::cout << "Binding weak_ptr" << std::endl;
-|*==========================================================================*/
- connection = heaptest.listen(tempListener->getName(),
- boost::bind(&TempSharedListener::call, *tempListener, _1));
- heaptest.post(1);
- check_listener("received", *tempListener, 1);
-} // presumably this will make tempListener go away?
-// verify that
-ensure("TempSharedListener destroyed", ! live);
-ensure("implicit disconnect", ! connection.connected());
-// now just make sure we don't blow up trying to access a freed object!
-heaptest.post(2);
-#endif // 0
-}
} // namespace tut
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