Chris@47: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@47: /*
Chris@47:     This file is Copyright (c) 2012 Chris Cannam
Chris@47:   
Chris@47:     Permission is hereby granted, free of charge, to any person
Chris@47:     obtaining a copy of this software and associated documentation
Chris@47:     files (the "Software"), to deal in the Software without
Chris@47:     restriction, including without limitation the rights to use, copy,
Chris@47:     modify, merge, publish, distribute, sublicense, and/or sell copies
Chris@47:     of the Software, and to permit persons to whom the Software is
Chris@47:     furnished to do so, subject to the following conditions:
Chris@47: 
Chris@47:     The above copyright notice and this permission notice shall be
Chris@47:     included in all copies or substantial portions of the Software.
Chris@47: 
Chris@47:     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
Chris@47:     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
Chris@47:     MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
Chris@47:     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
Chris@47:     ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
Chris@47:     CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
Chris@47:     WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Chris@47: */
Chris@47: 
Chris@47: #include "MeanFilter.h"
Chris@47: 
Chris@47: #define BOOST_TEST_DYN_LINK
Chris@47: #define BOOST_TEST_MAIN
Chris@47: 
Chris@47: #include <boost/test/unit_test.hpp>
Chris@47: 
Chris@47: BOOST_AUTO_TEST_SUITE(TestMeanFilter)
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(simpleFilter)
Chris@47: {
Chris@47:     double in[] = { 1.0, 2.0, 3.0 };
Chris@47:     double out[3];
Chris@47:     MeanFilter(3).filter(in, out, 3);
Chris@47:     BOOST_CHECK_EQUAL(out[0], 1.5);
Chris@47:     BOOST_CHECK_EQUAL(out[1], 2.0);
Chris@47:     BOOST_CHECK_EQUAL(out[2], 2.5);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(simpleSubset)
Chris@47: {
Chris@47:     double in[] = { 1.0, 2.0, 3.0, 4.0, 5.0 };
Chris@47:     double out[3];
Chris@47:     MeanFilter(3).filterSubsequence(in, out, 5, 3, 1);
Chris@47:     BOOST_CHECK_EQUAL(out[0], 2.0);
Chris@47:     BOOST_CHECK_EQUAL(out[1], 3.0);
Chris@47:     BOOST_CHECK_EQUAL(out[2], 4.0);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(flenExceedsArraySize)
Chris@47: {
Chris@47:     double in[] = { 1.0, 2.0, 3.0 };
Chris@47:     double out[3];
Chris@47:     MeanFilter(5).filter(in, out, 3);
Chris@47:     BOOST_CHECK_EQUAL(out[0], 2.0);
Chris@47:     BOOST_CHECK_EQUAL(out[1], 2.0);
Chris@47:     BOOST_CHECK_EQUAL(out[2], 2.0);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(flenIs1)
Chris@47: {
Chris@47:     double in[] = { 1.0, 2.0, 3.0 };
Chris@47:     double out[3];
Chris@47:     MeanFilter(1).filter(in, out, 3);
Chris@47:     BOOST_CHECK_EQUAL(out[0], in[0]);
Chris@47:     BOOST_CHECK_EQUAL(out[1], in[1]);
Chris@47:     BOOST_CHECK_EQUAL(out[2], in[2]);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(arraySizeIs1)
Chris@47: {
Chris@47:     double in[] = { 1.0 };
Chris@47:     double out[1];
Chris@47:     MeanFilter(3).filter(in, out, 1);
Chris@47:     BOOST_CHECK_EQUAL(out[0], in[0]);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_CASE(subsequenceLengthIs1)
Chris@47: {
Chris@47:     double in[] = { 1.0, 2.0, 3.0 };
Chris@47:     double out[1];
Chris@47:     MeanFilter(3).filterSubsequence(in, out, 3, 1, 2);
Chris@47:     BOOST_CHECK_EQUAL(out[0], 2.5);
Chris@47: }
Chris@47: 
Chris@47: BOOST_AUTO_TEST_SUITE_END()
Chris@47: