// -*- C++ -*- // Copyright (C) 2005, 2006 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the terms // of the GNU General Public License as published by the Free Software // Foundation; either version 2, or (at your option) any later // version. // This library is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // You should have received a copy of the GNU General Public License // along with this library; see the file COPYING. If not, write to // the Free Software Foundation, 59 Temple Place - Suite 330, Boston, // MA 02111-1307, USA. // As a special exception, you may use this file as part of a free // software library without restriction. Specifically, if other files // instantiate templates or use macros or inline functions from this // file, or you compile this file and link it with other files to // produce an executable, this file does not by itself cause the // resulting executable to be covered by the GNU General Public // License. This exception does not however invalidate any other // reasons why the executable file might be covered by the GNU General // Public License. // Copyright (C) 2004 Ami Tavory and Vladimir Dreizin, IBM-HRL. // Permission to use, copy, modify, sell, and distribute this software // is hereby granted without fee, provided that the above copyright // notice appears in all copies, and that both that copyright notice // and this permission notice appear in supporting documentation. None // of the above authors, nor IBM Haifa Research Laboratories, make any // representation about the suitability of this software for any // purpose. It is provided "as is" without express or implied // warranty. /** * @file erase_if_fn.hpp * Containsert traits for a random regression test * for a specific container type. */ #ifndef PB_DS_REGRESSION_TEST_ERASE_IF_FN_HPP #define PB_DS_REGRESSION_TEST_ERASE_IF_FN_HPP #include <functional> namespace pb_ds { namespace test { namespace detail { template<typename T> struct regression_test_erase_if_fn : public std::unary_function<T, bool> { private: typedef const T& const_reference; public: bool operator()(const_reference r_t) const { return (r_t.length() == 0 || static_cast<size_t>(*((r_t).begin())) % 2 == 1); } }; template<typename Hd, class Tl> struct regression_test_erase_if_fn<std::pair<Hd, Tl> > : public std::unary_function<std::pair<Hd, Tl>, bool> { private: typedef const std::pair<Hd, Tl>& const_reference; typedef regression_test_erase_if_fn<Hd> hd_erase_if_fn; typedef regression_test_erase_if_fn<Tl> tl_erase_if_fn; public: bool operator()(const_reference r_t) const { return (hd_erase_if_fn()(r_t.first) && tl_erase_if_fn()(r_t.second)); } }; } // namespace detail } // namespace test } // namespace pb_ds #endif