Ichthyostega
685a9b84ee
Benefits - get rid of yet another pervasive Boost dependency - define additional more fine grained policies (move only, clonable)
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
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TESTDUMMY.hpp - yet another test dummy for tracking ctor/dtor calls
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Copyright (C) Lumiera.org
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2008, 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 testdummy.hpp
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** unittest helper code: test dummy object.
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** This dummy includes some distinct random identity marker
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** plus a checksum facility to verify instance management, i.e.
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** to verify each created instance was properly destroyed after use.
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*/
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#include "lib/nocopy.hpp"
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#include <algorithm>
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namespace lib {
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namespace test{
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class Dummy
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: util::NonCopyable
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{
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int val_;
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/** to verify ctor/dtor calls */
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static long _local_checksum;
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static bool _throw_in_ctor;
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public:
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Dummy ()
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: val_(1 + (rand() % 100000000))
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{ init(); }
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Dummy (int v)
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: val_(v)
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{ init(); }
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virtual ~Dummy()
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{
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checksum() -= val_;
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}
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virtual long
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acc (int i) ///< dummy API operation
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{
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return val_+i;
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}
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int
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getVal() const
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{
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return val_;
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}
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void
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setVal (int newVal)
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{
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checksum() += newVal - val_;
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val_ = newVal;
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}
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friend void
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swap (Dummy& dum1, Dummy& dum2) ///< checksum neutral
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{
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std::swap(dum1.val_, dum2.val_);
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}
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static long&
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checksum()
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{
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return _local_checksum;
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}
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static void
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activateCtorFailure(bool indeed =true)
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{
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_throw_in_ctor = indeed;
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}
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private:
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void
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init()
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{
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checksum() += val_;
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if (_throw_in_ctor)
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throw val_;
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}
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};
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}} // namespace lib::test
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