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Viewing changes to apf/unit_tests/test_iterator_combinations.cpp

  • Committer: Package Import Robot
  • Author(s): IOhannes m zmölnig (Debian/GNU)
  • Date: 2014-05-08 16:58:09 UTC
  • Revision ID: package-import@ubuntu.com-20140508165809-7tz9dhu5pvo5wy25
Tags: upstream-0.4.1~dfsg
Import upstream version 0.4.1~dfsg

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apf/unit_tests/test_iterator_combinations.cpp
 
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/******************************************************************************
 
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 * Copyright © 2012-2014 Institut für Nachrichtentechnik, Universität Rostock *
 
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 * Copyright © 2006-2012 Quality & Usability Lab,                             *
 
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 *                       Telekom Innovation Laboratories, TU Berlin           *
 
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 *                                                                            *
 
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 * This file is part of the Audio Processing Framework (APF).                 *
 
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 *                                                                            *
 
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 * The APF is free software:  you can redistribute it and/or modify it  under *
 
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 * the terms of the  GNU  General  Public  License  as published by the  Free *
 
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 * Software Foundation, either version 3 of the License,  or (at your option) *
 
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 * any later version.                                                         *
 
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 *                                                                            *
 
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 * The APF is distributed in the hope that it will be useful, but WITHOUT ANY *
 
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 * WARRANTY;  without even the implied warranty of MERCHANTABILITY or FITNESS *
 
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 * FOR A PARTICULAR PURPOSE.                                                  *
 
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 * See the GNU General Public License for more details.                       *
 
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 *                                                                            *
 
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 * You should  have received a copy  of the GNU General Public License  along *
 
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 * with this program.  If not, see <http://www.gnu.org/licenses/>.            *
 
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 *                                                                            *
 
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 *                                 http://AudioProcessingFramework.github.com *
 
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 ******************************************************************************/
 
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// Tests for combinations of different iterators.
 
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#include "apf/iterator.h"  // for *_iterator
 
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#include "catch/catch.hpp"
 
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struct three_halves
 
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{
 
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  float operator()(int in) { return static_cast<float>(in) * 1.5f; }
 
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};
 
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using ii = apf::index_iterator<int>;
 
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using fii = apf::transform_iterator<ii, three_halves>;
 
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using si = apf::stride_iterator<ii>;
 
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using fsi = apf::transform_iterator<si, three_halves>;
 
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TEST_CASE("iterators/combinations", "Test combinations of iterators")
 
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{
 
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SECTION("index_iterator + transform_iterator", "")
 
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{
 
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  auto iter = fii(apf::make_index_iterator(2), three_halves());
 
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  CHECK(*iter == 3.0f);
 
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}
 
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SECTION("index_iterator + stride_iterator + transform_iterator", "")
 
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{
 
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  auto iter = fsi(si(apf::make_index_iterator(2), 2), three_halves());
 
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  CHECK(*iter == 3.0f);
 
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  ++iter;
 
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  CHECK(*iter == 6.0f);
 
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  auto iter2 = fsi(si(apf::make_index_iterator(2), -2), three_halves());
 
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  CHECK(*iter2 == 3.0f);
 
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  ++iter2;
 
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  CHECK(*iter2 == 0.0f);
 
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}
 
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} // TEST_CASE
 
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// Settings for Vim (http://www.vim.org/), please do not remove:
 
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// vim:softtabstop=2:shiftwidth=2:expandtab:textwidth=80:cindent