matthiasm@0: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
matthiasm@0: 
matthiasm@0: #include "Yin.h"
matthiasm@0: 
matthiasm@0: #define BOOST_TEST_DYN_LINK
matthiasm@0: #define BOOST_TEST_MAIN
matthiasm@0: 
matthiasm@0: #include <boost/test/unit_test.hpp>
matthiasm@0: 
matthiasm@0: BOOST_AUTO_TEST_SUITE(TestYin)
matthiasm@0: 
matthiasm@0: BOOST_AUTO_TEST_CASE(implicitYinOutput)
matthiasm@0: {
matthiasm@0:     // this test is just to make sure a YinOutput initialises
matthiasm@0:     // -- the actual reason for me to write this is to have written 
matthiasm@0:     // a test, so let's plough on...
matthiasm@0:     Yin::YinOutput out;
matthiasm@0:     
matthiasm@0:     BOOST_CHECK_EQUAL(out.f0, 0);
matthiasm@0:     BOOST_CHECK_EQUAL(out.periodicity, 0);
matthiasm@0:     BOOST_CHECK_EQUAL(out.rms, 0);
matthiasm@0: }
matthiasm@0: 
matthiasm@0: BOOST_AUTO_TEST_CASE(sine128)
matthiasm@0: {
matthiasm@0:     
matthiasm@0:     // a very short frame (8) with maximum frequency (128),
matthiasm@0:     // assuming a sampling rate of 256 1/sec.
matthiasm@0:     // Yin should get it approximately right... 
matthiasm@0:     // but because of post-processing we want to be tolerant
matthiasm@0: 
matthiasm@0:     double in[] = { 1, -1, 1, -1, 1, -1, 1, -1 };
matthiasm@0:     Yin y(8, 256);
matthiasm@0:     Yin::YinOutput yo = y.process(in);
matthiasm@0:     
matthiasm@0:     BOOST_CHECK(yo.f0 > 114);
matthiasm@0:     BOOST_CHECK(yo.f0 < 142);
matthiasm@0: }
matthiasm@0: 
matthiasm@0: BOOST_AUTO_TEST_SUITE_END()
matthiasm@0: