Ichthyostega
24b3bec4be
Doxygen will only process files with a @file documentation comment. Up to now, none of our test code has such a comment, preventing the cross-links to unit tests from working. This is unfortunate, since unit tests, and even the code comments there, can be considered as the most useful form of technical documentation. Thus I'll start an initiative to fill in those missing comments automatically
173 lines
6.3 KiB
C++
173 lines
6.3 KiB
C++
/*
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PlacementHierarchy(Test) - cooperating hierarchical placement types
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Copyright (C) Lumiera.org
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2009, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file placement-hierarchy-test.cpp
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** unit test §§TODO§§
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*/
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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "lib/test/depend-4test.hpp"
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#include "backend/media-access-mock.hpp"
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#include "proc/mobject/test-dummy-mobject.hpp"
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#include "proc/mobject/session/clip.hpp"
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#include "proc/mobject/placement.hpp"
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#include "proc/asset/media.hpp"
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#include "lib/format-cout.hpp"
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#include "lib/error.hpp"
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#include "lib/util.hpp"
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using lib::HashIndexed;
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using lib::test::Depend4Test;
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namespace proc {
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namespace mobject {
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namespace session {
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namespace test {
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using session::Clip;
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using lib::test::showSizeof;
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using namespace mobject::test;
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using lumiera::error::LUMIERA_ERROR_ASSERTION;
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/***********************************************************************************//**
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* @test creating placements specifically typed, forming an hierarchy of placement types
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* which loosely mirrors the hierarchy of the pointee types. Assignments between
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* placement of differing type, while still sharing ownership.
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* @see mobject::Placement
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* @see mobject::MObject#create
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* @see lib::hash::HashIndexed
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*/
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class PlacementHierarchy_test : public Test
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{
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virtual void
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run (Arg)
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{
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Depend4Test<backend::test::MediaAccessMock> within_this_scope;
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typedef Placement<MObject> PMObj;
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typedef TestPlacement<> PDummy;
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typedef TestPlacement<TestSubMO1> PSub1;
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typedef TestPlacement<TestSubMO2> PSub2;
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typedef TestPlacement<TestSubMO21,TestSubMO2> PSub21;
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PSub1 pSub1(*new TestSubMO1);
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PSub2 pSub2(*new TestSubMO2);
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PSub21 pSub3(*new TestSubMO21);
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PDummy pSubM (pSub3);
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PMObj pClip = asset::Media::create("test-1", asset::VIDEO)->createClip();
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CHECK (INSTANCEOF (Placement<MObject>, &pSub1));
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CHECK (INSTANCEOF (Placement<MObject>, &pSub2));
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CHECK (INSTANCEOF (Placement<MObject>, &pSub3));
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CHECK (INSTANCEOF (Placement<MObject>, &pSubM));
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CHECK (INSTANCEOF (Placement<DummyMO>, &pSub1));
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CHECK (INSTANCEOF (Placement<DummyMO>, &pSub2));
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CHECK (INSTANCEOF (Placement<DummyMO>, &pSub3));
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CHECK (INSTANCEOF (TestPlacement<DummyMO>, &pSub1));
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CHECK (INSTANCEOF (TestPlacement<DummyMO>, &pSub2));
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CHECK (INSTANCEOF (TestPlacement<DummyMO>, &pSub3));
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CHECK ( INSTANCEOF (TestPlacement<TestSubMO2>, &pSub3));
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// the following won't succeed...
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// CHECK (INSTANCEOF (TestPlacement<TestSubMO21>, &pSub2)); // parent not instance of subclass
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// CHECK (INSTANCEOF (TestPlacement<TestSubMO2>, &pSub1)); // separate branch in the hierarchy
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cout << showSizeof(pSub1) << endl;
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cout << showSizeof(pSub2) << endl;
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cout << showSizeof(pSub3) << endl;
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cout << showSizeof(pSubM) << endl;
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cout << showSizeof(pClip) << endl;
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CHECK (sizeof(pSub1) == sizeof(pSub3));
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CHECK (sizeof(pClip) == sizeof(pSub3));
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cout << pSub1 << endl;
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cout << pSub2 << endl;
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cout << pSub3 << endl;
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cout << pSubM << endl;
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cout << pClip << endl;
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pSub3->specialAPI();
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CHECK (2 == pSubM.use_count());
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CHECK (2 == pSub3.use_count());
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pClip = pSubM; // slicing and shared ownership
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CHECK (3 == pSubM.use_count());
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CHECK (3 == pSub3.use_count());
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CHECK (3 == pClip.use_count());
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// now do a brute-force re-interpretation
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// note this is still protected by an ASSERT on the operator->()
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PSub21& hijacked = reinterpret_cast<PSub21&> (pClip);
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hijacked->specialAPI();
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CHECK (3 == hijacked.use_count());
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CHECK (hijacked.getID() == pClip.getID());
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cout << format_PlacementID(pSub1) << endl;
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cout << format_PlacementID(pSub2) << endl;
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cout << format_PlacementID(pSub3) << endl;
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cout << format_PlacementID(pSubM) << endl;
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cout << format_PlacementID(pClip) << endl;
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pClip = pSub1;
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CHECK (2 == pSubM.use_count());
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CHECK (2 == pSub3.use_count());
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CHECK (2 == pClip.use_count());
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CHECK (2 == pSub1.use_count());
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///////////////////////////////////////////////////////////////////////////////TODO: find a way to configure NoBug to throw in case of assertion
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///////////////////////////////////////////////////////////////////////////////TODO: configure NoBug specifically for the testsuite
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#ifdef false
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VERIFY_ERROR (ASSERTION, hijacked->specialAPI() );
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#endif
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// runtime type diagnostics based on pointee RTTI
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CHECK ( pSub2.isCompatible<MObject>());
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CHECK ( pSub2.isCompatible<DummyMO>());
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CHECK ( pSub2.isCompatible<TestSubMO2>());
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CHECK (!pSub2.isCompatible<TestSubMO21>());
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CHECK (!pSub2.isCompatible<TestSubMO1>());
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CHECK (!pSub2.isCompatible<Clip>());
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}
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};
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/** Register this test class... */
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LAUNCHER (PlacementHierarchy_test, "unit session");
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}}}} // namespace proc::mobject::session::test
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