Ichthyostega
a1bb9178f5
needs overhaul, since current design leads to problems with GCC 4.8 onwards (and is messed up anyway)
137 lines
3.8 KiB
C++
137 lines
3.8 KiB
C++
/*
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MultiFactSingleton(Test) - using lib::multifact to manage a family of singletons
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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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#include "lib/test/run.hpp"
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#include "lib/test/test-helper.hpp"
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#include "lib/multifact.hpp"
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#include "lib/util.hpp"
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#include <boost/lexical_cast.hpp>
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#include <iostream>
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#include <string>
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namespace lib {
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namespace test{
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using boost::lexical_cast;
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using lib::test::showSizeof;
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using util::isSameObject;
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using util::isnil;
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using std::ostream;
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using std::string;
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using std::cout;
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using std::endl;
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using lumiera::error::LUMIERA_ERROR_INVALID;
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namespace { // hierarchy of test dummy objects
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struct Interface
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{
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virtual ~Interface() {};
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virtual operator string () =0;
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};
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inline ostream& operator<< (ostream& os, Interface& ifa) { return os << string(ifa); }
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enum theID
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{ ONE = 1
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, TWO
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, THR
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, FOU
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};
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typedef factory::MultiFact<Interface, theID, factory::PassReference> TestFactory;
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template<theID ii>
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class Implementation
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: public Interface
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{
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operator string()
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{
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return "Impl-"+lexical_cast<string> (ii);
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}
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public:
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static theID getTypeID() { return ii; }
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};
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/** Factory instance for the tests... */
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TestFactory theFact;
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// Configure the products to be fabricated....
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TestFactory::Singleton<Implementation<ONE> > holder1 (theFact,ONE);
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TestFactory::Singleton<Implementation<TWO> > holder2 (theFact,TWO);
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TestFactory::Singleton<Implementation<THR> > holder3 (theFact,THR);
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TestFactory::Singleton<Implementation<FOU> > holder4 (theFact,FOU);
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}
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/***************************************************************//**
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* @test verify simple setup of the MultiFact template.
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* Define a hierarchy of test dummy objects, in order to
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* register them automatically for creation through a suitable
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* instantiation of MultiFact. Verify we get the correct product
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* when invoking this MultiFac flavour.
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* @see lib::MultiFact
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*/
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class MultiFactSingleton_test : public Test
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{
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void
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run (Arg)
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{
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cout << theFact(ONE) << endl;
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cout << theFact(TWO) << endl;
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cout << theFact(THR) << endl;
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cout << theFact(FOU) << endl;
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cout << showSizeof (theFact) << endl;
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Interface & o1 = theFact(ONE);
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Interface & o2 = theFact(ONE);
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CHECK (isSameObject(o1,o2));
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TestFactory anotherFact;
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CHECK (isnil (anotherFact));
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VERIFY_ERROR (INVALID, anotherFact(ONE) );
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TestFactory::Singleton<Implementation<ONE> > anotherSingletonHolder (anotherFact,ONE);
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Interface & o3 = anotherFact(ONE);
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CHECK (isSameObject(o2,o3));
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}
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};
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/** Register this test class... */
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LAUNCHER (MultiFactSingleton_test, "unit common");
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}} // namespace lib::test
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