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LUMIERA.clone/tests/core/proc/mobject/mobject-ref-test.cpp
Ichthyostega ada5cefaaf re-arrange tests according to layer structure 
the buildsystem will now pick up and link
all test cases according to the layer, e.g.
backend tests will automatically be linked
against the backend + library solely.
2013-01-07 05:43:01 +01:00

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/*
MObjectRef(Test) - validating basic properties of the external MObject reference tag
Copyright (C) Lumiera.org
2009, Hermann Vosseler <Ichthyostega@web.de>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
* *****************************************************/
#include "lib/test/run.hpp"
#include "proc/asset/media.hpp"
#include "proc/mobject/mobject.hpp"
#include "proc/mobject/mobject-ref.hpp"
#include "proc/mobject/placement.hpp"
#include "proc/mobject/placement-ref.hpp"
#include "proc/mobject/session/placement-index.hpp"
#include "proc/mobject/session/session-service-mock-index.hpp"
#include "proc/mobject/session/clip.hpp"
#include "proc/mobject/explicitplacement.hpp"
#include "proc/mobject/test-dummy-mobject.hpp"
#include "backend/media-access-mock.hpp"
#include "lib/test/test-helper.hpp"
#include "lib/time/timevalue.hpp"
#include "lib/util.hpp"
#include <iostream>
using lib::test::Use4Test;
using lib::test::showSizeof;
using lib::time::Duration;
using lib::time::FSecs;
using lib::time::Time;
using util::isnil;
using std::string;
using std::cout;
using std::endl;
namespace proc {
namespace mobject {
namespace test {
namespace { // shortcut for checking use-counts
bool
checkUseCount (size_t cnt, uint additional=0)
{
static uint base_count=0;
if (!additional) // called for init
base_count = cnt;
return cnt == base_count + additional;
}
template<class REF>
bool
checkUseCount (REF const& ref, uint additional)
{
return checkUseCount(ref.use_count(), additional);
}
}
using session::Clip;
using session::PMedia;
using session::SessionServiceMockIndex;
using session::PPIdx;
/***************************************************************************
* @test properties and behaviour of the external reference-mechanism for
* MObjects placed into the session. We create a simple, simulated
* "session" (no real session datastructure) and a mock PlacementIndex.
* Then we add two Placements, which can be used then to build
* MObjectRef instances to validate their behaviour.
* @see mobject::Placement
* @see mobject::MObject
* @see mobject::PlacementRef_test
*/
class MObjectRef_test : public Test
{
typedef Placement<MObject> PMObj;
typedef Placement<Clip> PClip;
typedef TestPlacement<TestSubMO1> PSub1;
virtual void
run (Arg)
{
Use4Test<backend::test::MediaAccessMock> within_this_scope;
// create data simulating a "Session"
PMObj testClip1 = asset::Media::create("test-1", asset::VIDEO)->createClip();
PMObj testClip2 = asset::Media::create("test-2", asset::VIDEO)->createClip();
// set up a tie to fixed start positions (i.e. "properties of placement")
testClip1.chain (Time(FSecs(10)));
testClip2.chain (Time(FSecs(20)));
CHECK (testClip1->isValid());
CHECK (testClip2->isValid());
CHECK (2 == testClip1.use_count()); // one by the placement and one by the clip-Asset
CHECK (2 == testClip2.use_count());
// Prepare an (test)Index
PPIdx index = SessionServiceMockIndex::install();
PMO& root = index->getRoot();
// Add the Clips to "session" (here: dummy index)
PMObj::ID clip1ID = index->insert (testClip1, root);
PMObj::ID clip2ID = index->insert (testClip2, root);
CHECK (2 == index->size());
// use the IDs returned on insertion to fetch
// language references to the placement instance within the index
// we'll use these language refs as base to create MObejctRef handles.
PMObj& pClip1 = index->find(clip1ID);
PMObj& pClip2 = index->find(clip2ID);
CHECK (3 == pClip1.use_count()); // clip-Asset, original placement, new placement in index
CHECK (3 == pClip2.use_count());
checkUseCount(pClip1.use_count()); // set ref point for later checks
// extract various kinds of IDs and refs
PMObj & rP1 (pClip1);
PMObj const& rP2 (pClip2);
PMObj::ID id1 = pClip1.getID();
PMObj::Id<Clip> id2 = pClip2.recastID<Clip>(); // explicit unchecked re-declaration of target type
LumieraUid luid = id1.get();
///////////////////////////////////////////TODO: check the C-API representation here
PlacementRef<Clip> ref1 (id1);
PlacementRef<MObject> ref2 (pClip2);
// -----Tests------------------
checkBuildMObjectRef (rP1, &pClip1);
checkBuildMObjectRef (rP2, &pClip2);
checkBuildMObjectRef (id1, &pClip1);
checkBuildMObjectRef (id2, &pClip2);
checkBuildMObjectRef (luid, &pClip1);
///////////////////////////////////////////TODO: check the C-API representation here
checkBuildMObjectRef (ref1, &pClip1);
checkBuildMObjectRef (ref2, &pClip2);
checkComparison(rP1,rP2);
checkLifecycle (rP1,rP2);
checkTypeHandling (luid);
// -----Tests------------------
// verify clean state
index->remove (pClip1);
index->remove (pClip2); // note: this invalidates pClip1 and pClip2;
CHECK (!ref1);
CHECK (!ref2);
CHECK (0 == index->size());
CHECK (1 == index.use_count());
CHECK (2 == testClip1.use_count());
CHECK (2 == testClip2.use_count());
index.reset();
}
template<typename REF>
void
checkBuildMObjectRef (REF& refObj, void* placementAdr)
{
MORef<Clip> rMO;
CHECK (!rMO); // still empty (not bound)
CHECK (0==rMO.use_count());
cout << string(rMO) << endl; /////////////////////TICKET #527
cout << showSizeof(rMO) << endl;
// activate by binding to provided ref
rMO.activate(refObj);
CHECK (rMO); // now bound
cout << string(rMO) << endl; /////////////////////TICKET #527
// access MObject (Clip API)
// cout << rMO->operator string() << endl; /////////////////////TICKET #428
PMedia media = rMO->getMedia();
cout << str(media) << endl; /////////////////////TICKET #520
Duration mediaLength = media->getLength();
CHECK (!isnil (mediaLength));
CHECK (rMO->isValid());
// access the Placement-API
CHECK (checkUseCount(rMO, 1)); // now rMO shares ownership with the Placement --> use-count += 1
CHECK (Time::ZERO < rMO.getStartTime()); // (internally, this resolves to an ExplicitPlacement) /////////TICKET #332
CHECK ( rMO.isCompatible<MObject>());
CHECK ( rMO.isCompatible<Clip>());
CHECK (!rMO.isCompatible<TestSubMO1>());
Time start = rMO.getStartTime();
// re-link to the Placement (note we get the Clip API!)
Placement<Clip> & refP = rMO.getPlacement();
CHECK (refP.isValid());
CHECK (refP.use_count() == rMO.use_count());
CHECK (checkUseCount(refP, 1)); // use count not changed
CHECK (&refP == placementAdr); // actually denotes the address of the original Placement in the "session"
cout << string(refP) << endl;
ExplicitPlacement exPla = refP.resolve();
CHECK (exPla.time == start); // recovered Placement resolves to the same time as provided by the proxied API
CHECK (checkUseCount(refP, 2)); // but now we've indeed created an additional owner (exPla)
CHECK (checkUseCount(rMO, 2));
}
void
checkComparison (PMO const& p1, PMO const& p2)
{
PlacementRef<Clip> pRef1 (p1);
PlacementRef<MObject> pRef2 (p2);
MORef<MObject> rM;
MORef<Clip> rC;
rM.activate (p1);
rC.activate (p2);
CHECK (rM && rC);
CHECK (!(rM == rC) && !(rC == rM));
CHECK ( (rM != rC) && (rC != rM));
// mixed comparisons
CHECK ( (rM == pRef1) && (pRef1 == rM));
CHECK ( (rC == pRef2) && (pRef2 == rC));
CHECK (!(rM != pRef1) && !(pRef1 != rM));
CHECK (!(rC != pRef2) && !(pRef2 != rC));
CHECK ( (rM != pRef2) && (pRef2 != rM));
CHECK ( (rC != pRef1) && (pRef1 != rC));
CHECK (!(rM == pRef2) && !(pRef2 == rM));
CHECK (!(rC == pRef1) && !(pRef1 == rC));
CHECK ( (rM == p1.getID()) );
CHECK ( (rC == p2.getID()) );
CHECK (!(rM != p1.getID()) );
CHECK (!(rC != p2.getID()) );
CHECK ( (rM != p2.getID()) );
CHECK ( (rC != p1.getID()) );
CHECK (!(rM == p2.getID()) );
CHECK (!(rC == p1.getID()) );
rC.activate (pRef1);
CHECK ( (rM == rC) && (rC == rM));
CHECK (!(rM != rC) && !(rC != rM));
CHECK ( (rC == pRef1) && (pRef1 == rC));
CHECK (!(rC != pRef1) && !(pRef1 != rC));
CHECK ( (rC != pRef2) && (pRef2 != rC));
CHECK (!(rC == pRef2) && !(pRef2 == rC));
CHECK ( (rC == p1.getID()) );
CHECK (!(rC != p1.getID()) );
CHECK ( (rC != p2.getID()) );
CHECK (!(rC == p2.getID()) );
rM.close();
CHECK (!rM);
CHECK (!(rM == rC) && !(rC == rM));
CHECK ( (rM != rC) && (rC != rM));
CHECK (!(rM == pRef1) && !(pRef1 == rM));
CHECK ( (rM != pRef1) && (pRef1 != rM));
CHECK ( (rM != pRef2) && (pRef2 != rM));
CHECK (!(rM == pRef2) && !(pRef2 == rM));
CHECK (!(rM == p1.getID()) );
CHECK ( (rM != p1.getID()) );
CHECK ( (rM != p2.getID()) );
CHECK (!(rM == p2.getID()) );
}
void
checkLifecycle (PMObj const& p1, PMObj const& p2)
{
CHECK (checkUseCount(p1, 0));
CHECK (checkUseCount(p2, 0));
MORef<Clip> rMO;
CHECK (!rMO);
CHECK (0 == rMO.use_count());
rMO.activate(p1);
CHECK (rMO);
CHECK (rMO->getMedia()->getFilename() == "test-1");
CHECK (checkUseCount(rMO, 1));
CHECK (checkUseCount(p1, 1)); // sharing ownership
CHECK (checkUseCount(p2, 0));
rMO.activate(p2);
CHECK (rMO);
CHECK (rMO->getMedia()->getFilename() == "test-2");
CHECK (checkUseCount(rMO, 1));
CHECK (checkUseCount(p1, 0)); // detached, use count dropped to previous value
CHECK (checkUseCount(p2, 1)); // sharing ownership
rMO.activate(p2);
CHECK (checkUseCount(rMO, 1)); // no change
rMO.close();
CHECK (!rMO);
CHECK (checkUseCount(p1, 0));
CHECK (checkUseCount(p2, 0));
VERIFY_ERROR (BOTTOM_MOBJECTREF, rMO.getPlacement() );
VERIFY_ERROR (BOTTOM_MOBJECTREF, rMO->getMedia() );
}
void
checkTypeHandling (LumieraUid luid)
{
MObjectRef rMObj;
MORef<Clip> rClip;
MORef<TestSubMO1> rSub1;
CHECK ( ! rMObj.use_count());
CHECK ( ! rClip.use_count());
CHECK ( ! rSub1.use_count());
rMObj.activate(luid);
CHECK (checkUseCount(rMObj, 1));
CHECK ( ! rClip.use_count());
CHECK ( ! rSub1.use_count());
rClip.activate(rMObj); // attach on existing MObjectRef
CHECK (checkUseCount(rMObj, 2));
CHECK (checkUseCount(rClip, 2));
CHECK ( ! rSub1.use_count());
// impossible, because Clip isn't a subclass of TestSubMO1:
VERIFY_ERROR (INVALID_PLACEMENTREF, rSub1.activate(luid) );
VERIFY_ERROR (INVALID_PLACEMENTREF, rSub1 = rMObj );
CHECK (rMObj->isValid());
CHECK (rClip->isValid());
CHECK (rMObj.getPlacement().getID() == rClip.getPlacement().getID());
// doesn't compile, because the function isn't on MObject API:
// rMObj->getMedia();
rClip.close();
CHECK (checkUseCount(rMObj, 1));
CHECK ( ! rClip.use_count());
// can assign, because the actual type is checked:
rClip = rMObj;
CHECK (checkUseCount(rMObj, 2));
CHECK (checkUseCount(rClip, 2));
cout << string(rClip) << endl; //////////TICKET #527
cout << string(rClip->getMedia()->ident) << endl; //////////TICKET #520
}
};
/** Register this test class... */
LAUNCHER (MObjectRef_test, "unit session");
}}} // namespace proc::mobject::test
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