167 lines
5 KiB
C++
167 lines
5 KiB
C++
/*
|
|
Factory(Test) - unittest for the object creating factory
|
|
|
|
Copyright (C) CinelerraCV
|
|
2007, Christian Thaeter <ct@pipapo.org>
|
|
|
|
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 "common/test/run.hpp"
|
|
#include "common/factory.hpp"
|
|
#include "common/util.hpp"
|
|
|
|
#include <boost/algorithm/string.hpp>
|
|
#include <boost/lexical_cast.hpp>
|
|
#include <boost/format.hpp>
|
|
#include <iostream>
|
|
|
|
using boost::algorithm::join;
|
|
using boost::lexical_cast;
|
|
using boost::format;
|
|
using util::isnil;
|
|
using std::string;
|
|
using std::cout;
|
|
|
|
|
|
namespace cinelerra
|
|
{
|
|
namespace test
|
|
{
|
|
|
|
class ObjFactory;
|
|
|
|
/**
|
|
* Target object to be created by the Test-Factory.
|
|
* Allocates a variable amount of additional heap memory
|
|
* and prints diagnostic messages.
|
|
*/
|
|
class TargetObj
|
|
{
|
|
uint cnt_;
|
|
string* heapData_;
|
|
string* heapArray_;
|
|
|
|
|
|
TargetObj(uint num)
|
|
: cnt_ (num),
|
|
heapData_ (new string(num,'*')),
|
|
heapArray_ (new string[num])
|
|
{
|
|
for (uint i=0; i<cnt_; ++i)
|
|
heapArray_[i] = lexical_cast<string>(i);
|
|
cout << format("ctor TargetObj(%i) successfull\n") % cnt_;
|
|
}
|
|
|
|
|
|
~TargetObj() throw()
|
|
{
|
|
delete heapData_;
|
|
delete[] heapArray_;
|
|
cout << format("dtor ~TargetObj(%i) successfull\n") % cnt_;
|
|
}
|
|
|
|
friend class ObjFactory;
|
|
|
|
|
|
public:
|
|
static ObjFactory create;
|
|
|
|
operator string () const
|
|
{
|
|
string array_contents = "{";
|
|
for (uint i=0; i<cnt_; ++i)
|
|
array_contents += heapArray_[i]+",";
|
|
array_contents+="}";
|
|
|
|
return str (format(".....TargetObj(%1%): data=\"%2%\", array[%1%]=%3%")
|
|
% cnt_
|
|
% *heapData_
|
|
% array_contents
|
|
);
|
|
}
|
|
};
|
|
|
|
|
|
|
|
|
|
/** Test-Factory specialized to create TargetObj instances
|
|
* using the 1-argument constructor TargetObj::TargetObj(int).
|
|
* It will create boost::shared_ptr instances, because
|
|
* factory::RefcountPtr was parametrized with this smart pointer type.
|
|
* @note ObjFactory can use the private constructor because it's a friend.
|
|
*/
|
|
class ObjFactory : public factory::RefcountPtr<TargetObj>
|
|
{
|
|
static void destroy (TargetObj* victim) { delete victim; };
|
|
public:
|
|
/** specialized Factory method for creating TargetObj instances.
|
|
* Here, we invoke a special constructor, but basically we could
|
|
* do everything we want, creating instances of sub classes,
|
|
* registering objects etc. Further, we could have used a
|
|
* custom allocator or a special deleter function.
|
|
*/
|
|
ptype operator() (uint param){ return ptype (new TargetObj (param), &destroy); };
|
|
};
|
|
|
|
|
|
/** shorthand for the created smart-pointer class,
|
|
* here it's a (refcounting) boost::shared_ptr
|
|
*/
|
|
typedef ObjFactory::ptype pTarget;
|
|
|
|
ObjFactory TargetObj::create;
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*******************************************************************
|
|
* @test the basic object creation Factory behaviour: We declared
|
|
* a static field TargetObj::create to be a ObjFactory. So,
|
|
* by invoking this functor, we get a boost::shared_ptr
|
|
* wrapping a new TargetObj instance. From this we copy
|
|
* further shared-ptrs, invoke a member function and
|
|
* finally, when leaving the scope, our TargetObj
|
|
* will be destroyed automatically.
|
|
* @see cinelerra::Factory
|
|
*/
|
|
class Factory_test : public Test
|
|
{
|
|
virtual void run(Arg arg)
|
|
{
|
|
uint num= isnil(arg)? 1 : lexical_cast<uint>(arg[1]);
|
|
|
|
pTarget p1 (TargetObj::create (num));
|
|
pTarget p2 (p1);
|
|
pTarget p3 = p2;
|
|
|
|
cout << "now the smart-ptr has refcount=" << p1.use_count() << "\n"
|
|
<< string (*p3) << "\n";
|
|
}
|
|
};
|
|
|
|
|
|
/** Register this test class... */
|
|
LAUNCHER (Factory_test, "unit common");
|
|
|
|
|
|
|
|
} // namespace test
|
|
|
|
} // namespace cinelerra
|