133 lines
3.8 KiB
C++
133 lines
3.8 KiB
C++
/*
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FunctorUtil(Test) - verifying function object and signal utilities
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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/util.hpp"
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#include "lib/functor-util.hpp"
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#include <tr1/functional>
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#include <iostream>
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//using util::isnil;
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//using std::string;
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using std::cout;
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using std::tr1::function;
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namespace util {
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namespace test {
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namespace {
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void fun1 (int i) { cout << "fun1 (" << i << ")\n"; }
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void fun2 (int i) { cout << "fun2 (" << i << ")\n"; }
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struct Dummy
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{
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void gummi (int i) { cout << "gummi (" << i << ")\n"; }
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};
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}
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/*********************************************************************
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* @test verify some aspects of the functor-util's behaviour.
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* Often, this is just a scrapbook for new ideas....
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*/
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class FunctorUtil_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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verifyBruteForceComparison();
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}
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/** @test workaround for the missing functor comparison operator */
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void
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verifyBruteForceComparison()
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{
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typedef function<void(int)> Fvi;
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typedef function<int(void)> Fiv;
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typedef function<void(void)> Fvv;
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Fvi f0;
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Fvi f1 (fun1);
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Fvi f2 (fun2);
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CHECK (!rawComparison(f0, f1));
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CHECK (!rawComparison(f1, f2));
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CHECK (!rawComparison(f0, f2));
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Fvi f22 (f2);
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CHECK ( rawComparison(f2, f22));
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f1 = f2;
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CHECK ( rawComparison(f1, f2));
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CHECK (!rawComparison(f0, Fvi())); // note: can't detect they are equivalent
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CHECK (!rawComparison(f0, Fiv()));
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f1 = bind (fun2, _1);
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CHECK (!rawComparison(f1, f2));
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Dummy dum1, dum2;
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Fvi fm1 = bind (&Dummy::gummi, dum1, _1);
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Fvi fm2 = bind (&Dummy::gummi, dum2, _1);
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Fvv fm3 = bind (&Dummy::gummi, dum1, 23);
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Fvv fm4 = bind (&Dummy::gummi, dum1, 24);
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Fvv fm5 = bind (&Dummy::gummi, dum2, 24);
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Fvv fm6 = bind (&Dummy::gummi, dum2, 24);
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CHECK (!rawComparison(f1, fm1));
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CHECK (!rawComparison(fm1, fm2));
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CHECK (!rawComparison(fm1, fm3));
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CHECK (!rawComparison(fm1, fm4));
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CHECK (!rawComparison(fm1, fm5));
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CHECK (!rawComparison(fm1, fm6));
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CHECK (!rawComparison(fm2, fm3));
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CHECK (!rawComparison(fm2, fm4));
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CHECK (!rawComparison(fm2, fm5));
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CHECK (!rawComparison(fm2, fm6));
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CHECK (!rawComparison(fm3, fm4));
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CHECK (!rawComparison(fm3, fm5));
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CHECK (!rawComparison(fm3, fm6));
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CHECK (!rawComparison(fm4, fm5));
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CHECK (!rawComparison(fm4, fm6));
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CHECK (!rawComparison(fm5, fm6)); // again: can't detect they are equivalent
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}
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};
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/** Register this test class... */
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LAUNCHER (FunctorUtil_test, "unit common");
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}} // namespace util::test
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