Ichthyostega
0b9e184fa3
* most usages are drop-in replacements * occasionally the other convenience functions can be used * verify call-paths from core code to identify usages * ensure reseeding for all tests involving some kind of randomness... __Note__: some tests were not yet converted, since their usage of randomness is actually not thread-safe. This problem existed previously, since also `rand()` is not thread safe, albeit in most cases it is possible to ignore this problem, as ''garbled internal state'' is also somehow „random“
141 lines
4.2 KiB
C++
141 lines
4.2 KiB
C++
/*
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TypedAllocationManager(Test) - check interface to pooled allocations
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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 typed-allocation-manager-test.cpp
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** unit test \ref TypedAllocationManager_test
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*/
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#include "lib/test/run.hpp"
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#include "lib/typed-allocation-manager.hpp"
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#include "lib/util.hpp"
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#include <memory>
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namespace lib {
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namespace test{
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using util::isSameObject;
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using std::shared_ptr;
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namespace { // test data and helpers...
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long checksum_ = 0;
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/**
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* Yet-another ctor/dtor-tracking test dummy object....
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*/
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template<uint siz>
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class DummyObj
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{
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char crap_[siz];
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public:
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DummyObj()
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{
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REQUIRE (siz);
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for (uint i=0; i<siz; ++i)
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checksum_ += (crap_[i] = rani(128));
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}
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~DummyObj()
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{
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for (uint i=0; i<siz; ++i)
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checksum_ -= crap_[i];
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}
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};
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}
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/***********************************************************************************//**
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* @test cover the basic implementation of a custom allocator, delegating to mpool.
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* TypedAllocationManager is a base class, used e.g. to build the CommandRegistry.
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*
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* @todo as of 9/09 we do heap allocation, but we should use mpool -- see also Ticket #219
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*
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* @see CommandRegistry
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* @see command-registry-test.cpp
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* @see allocation-cluster-test.cpp
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*/
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class TypedAllocationManager_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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CHECK (0 == checksum_);
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seedRand();
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TypedAllocationManager allocator;
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typedef shared_ptr<DummyObj<1>> PD1;
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typedef shared_ptr<DummyObj<22>> PD22;
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CHECK (sizeof(DummyObj<1>) != sizeof(DummyObj<22>));
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{
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PD1 pD11 = allocator.create<DummyObj<1> >();
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PD1 pD12 = allocator.create<DummyObj<1> >();
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PD22 pD21 = allocator.create<DummyObj<22>>();
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PD22 pD22 = allocator.create<DummyObj<22>>();
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CHECK (pD11);
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CHECK (pD12);
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CHECK (pD21);
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CHECK (pD22);
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CHECK (1 == pD11.use_count());
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CHECK (1 == pD12.use_count());
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CHECK (1 == pD21.use_count());
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CHECK (1 == pD22.use_count());
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CHECK (!isSameObject (*pD11, *pD12));
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CHECK (!isSameObject (*pD11, *pD21));
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CHECK (!isSameObject (*pD11, *pD22));
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CHECK (!isSameObject (*pD12, *pD21));
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CHECK (!isSameObject (*pD12, *pD22));
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CHECK (!isSameObject (*pD21, *pD22));
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PD22 pD2x = pD21;
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CHECK (pD2x);
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CHECK (2 == pD21.use_count());
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CHECK (2 == pD2x.use_count());
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CHECK (isSameObject (*pD21, *pD2x));
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CHECK (2 == allocator.numSlots<DummyObj<1> >());
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CHECK (2 == allocator.numSlots<DummyObj<22>>());
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CHECK (0 == allocator.numSlots<long>()); // query just some unrelated type...
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}
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CHECK (0 == allocator.numSlots<DummyObj<1> >());
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CHECK (0 == allocator.numSlots<DummyObj<22>>());
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CHECK (0 == checksum_);
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}
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};
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/** Register this test class... */
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LAUNCHER (TypedAllocationManager_test, "unit common");
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}} // namespace lib::test
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