104 lines
2.4 KiB
C++
104 lines
2.4 KiB
C++
/*
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RemoveFromSet(Test) - algorithm removing predicated elements from set
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Copyright (C)
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2008, Hermann Vosseler <Ichthyostega@web.de>
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**Lumiera** is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation; either version 2 of the License, or (at your
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option) any later version. See the file COPYING for further details.
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* *****************************************************************/
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/** @file removefromsettest.cpp
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** unit test \ref RemoveFromSet_test
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*/
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#include "lib/test/run.hpp"
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#include "lib/util-foreach.hpp"
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#include "lib/format-cout.hpp"
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#include "lib/format-util.hpp"
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#include <boost/lexical_cast.hpp>
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#include <functional>
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#include <string>
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#include <set>
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using util::join;
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using std::function;
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using std::string;
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namespace util {
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namespace test {
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using util::for_each;
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using boost::lexical_cast;
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using IntSet = std::set<uint>;
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void
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show (IntSet const& coll)
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{
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cout << "[ "
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<< join (coll)
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<< " ]" <<endl;
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}
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function<bool(uint)>
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select_match (string description)
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{
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return [&](uint candidate)
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{
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return string::npos != description.find( lexical_cast<string> (candidate));
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};
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}
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class RemoveFromSet_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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test_remove (" nothing ");
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test_remove ("0");
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test_remove ("9");
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test_remove ("5");
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test_remove ("0 2 4 6 8 ");
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test_remove (" 1 3 5 7 9");
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test_remove ("0 1 2 3 4 5 6 7 8 9");
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test_remove ("0 1 2 3 4 5 6 7 8 ");
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test_remove (" 1 2 3 4 5 6 7 8 9");
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test_remove ("0 1 2 3 4 6 7 8 9");
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}
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/** @test populate a test set,
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* remove the denoted elements
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* and print the result... */
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void
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test_remove (string elems_to_remove)
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{
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IntSet theSet;
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for (int i=0; i<10; ++i)
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theSet.insert (i);
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util::remove_if (theSet, select_match(elems_to_remove));
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cout << "removed " << elems_to_remove << " ---> ";
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show (theSet);
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}
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};
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LAUNCHER (RemoveFromSet_test, "unit common");
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}} // namespace util::test
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