86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
/*
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QUERYDIAGNOSTICS.hpp - helpers for writing tests covering config queries
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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 the
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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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#ifndef LUMIERA_TEST_QUERY_QUERYDIAGNOSTICS_H
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#define LUMIERA_TEST_QUERY_QUERYDIAGNOSTICS_H
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#include <boost/format.hpp>
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#include <cstdlib>
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using boost::format;
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using std::string;
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using std::rand;
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namespace lumiera
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{
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namespace query
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{
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namespace test
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{
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namespace // implementation constants
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{
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format predicatePatt ("%s_%2i( %s )");
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const string garbage ("asdfghjklqwertzuiop");
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const uint MAX_DEGREE_RAND = 9;
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}
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inline string
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garbage_term () ///< yields a random string of 3 letters
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{
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return str (predicatePatt
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% char ('a'+ rand() % 26)
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% (rand() % 100)
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% garbage.substr(rand() % 17 , 3)
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);
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}
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inline string
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garbage_query (int degree=0) ///< fabricating (random) query strings
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{
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string fake;
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if (!degree)
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degree = 1 + rand() % MAX_DEGREE_RAND;
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while (0 < --degree)
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fake += garbage_term() + ", ";
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fake += garbage_term() + ".";
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return fake;
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}
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} // namespace test
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} // namespace query
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} // namespace lumiera
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#endif
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