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
137 lines
3.3 KiB
C++
137 lines
3.3 KiB
C++
/*
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UtilCollection(Test) - helpers and shortcuts for working with collections
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Copyright (C) Lumiera.org
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2012, 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 util-collection-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/itertools.hpp"
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#include "lib/util-coll.hpp"
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#include "lib/iter-adapter.hpp"
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#include "lib/meta/trait.hpp"
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#include <boost/lexical_cast.hpp>
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#include <vector>
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using ::Test;
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using util::first;
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using util::last;
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using lib::meta::can_STL_ForEach;
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using lib::meta::can_IterForEach;
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using lib::meta::can_STL_backIteration;
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using boost::lexical_cast;
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namespace util {
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namespace test {
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typedef std::vector<uint> VecI;
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typedef lib::RangeIter<VecI::iterator> RangeI;
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namespace{ // Test data and operations
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uint NUM_ELMS = 20;
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VecI
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someNumberz (uint count)
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{
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VecI numbers;
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numbers.reserve(count);
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while (count)
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numbers.push_back(count--);
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return numbers;
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}
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} // (End) test data and operations
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/*****************************************************************//**
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* @test verify some convenience shortcuts and helpers dealing
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* with Collections and sequences (Iterators).
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* - metafunctions to distinguish STL containers and Lumiera Iterators
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* - get the first element
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* - get the last element
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*/
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class UtilCollection_test : public Test
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{
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void
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run (Arg arg)
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{
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verify_typeDetectors();
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if (0 < arg.size()) NUM_ELMS = lexical_cast<uint> (arg[0]);
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VecI container = someNumberz (NUM_ELMS);
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RangeI iterator(container.begin(), container.end());
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verify_accessFirstLast (container, NUM_ELMS);
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verify_accessFirstLast (iterator, NUM_ELMS);
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}
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template<class COL>
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void
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verify_accessFirstLast (COL const& col, uint lim)
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{
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uint theFirst = lim;
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uint theLast = 1;
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CHECK (first(col) == theFirst);
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CHECK (last(col) == theLast);
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}
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void
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verify_typeDetectors()
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{
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CHECK ( can_STL_ForEach<VecI>::value);
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CHECK ( can_STL_backIteration<VecI>::value);
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CHECK (!can_STL_ForEach<RangeI>::value);
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CHECK (!can_STL_backIteration<RangeI>::value);
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CHECK (!can_IterForEach<VecI>::value);
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CHECK ( can_IterForEach<RangeI>::value);
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}
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};
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LAUNCHER (UtilCollection_test, "unit common");
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}} // namespace util::test
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