forked from Ivasoft/DSView
126 lines
3.7 KiB
C++
126 lines
3.7 KiB
C++
/*
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* This file is part of the PulseView project.
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*
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* Copyright (C) 2013 Joel Holdsworth <joel@airwebreathe.org.uk>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <extdef.h>
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#define __STDC_LIMIT_MACROS
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#include <stdint.h>
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#include <boost/test/unit_test.hpp>
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#include "../../pv/data/analogsnapshot.h"
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using namespace std;
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using pv::data::AnalogSnapshot;
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BOOST_AUTO_TEST_SUITE(AnalogSnapshotTest)
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void push_analog(AnalogSnapshot &s, unsigned int num_samples,
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float value)
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{
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sr_datafeed_analog analog;
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analog.num_samples = num_samples;
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float *data = new float[num_samples];
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analog.data = data;
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while(num_samples-- != 0)
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*data++ = value;
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s.append_payload(analog);
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delete[] (float*)analog.data;
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}
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BOOST_AUTO_TEST_CASE(Basic)
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{
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// Create an empty AnalogSnapshot object
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sr_datafeed_analog analog;
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analog.num_samples = 0;
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analog.data = NULL;
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AnalogSnapshot s(analog);
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//----- Test AnalogSnapshot::push_analog -----//
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BOOST_CHECK(s.get_sample_count() == 0);
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for (unsigned int i = 0; i < AnalogSnapshot::ScaleStepCount; i++)
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{
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const AnalogSnapshot::Envelope &m = s._envelope_levels[i];
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BOOST_CHECK_EQUAL(m.length, 0);
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BOOST_CHECK_EQUAL(m.data_length, 0);
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BOOST_CHECK(m.samples == NULL);
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}
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// Push 8 samples of all zeros
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push_analog(s, 8, 0.0f);
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BOOST_CHECK(s.get_sample_count() == 8);
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// There should not be enough samples to have a single mip map sample
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for (unsigned int i = 0; i < AnalogSnapshot::ScaleStepCount; i++)
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{
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const AnalogSnapshot::Envelope &m = s._envelope_levels[i];
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BOOST_CHECK_EQUAL(m.length, 0);
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BOOST_CHECK_EQUAL(m.data_length, 0);
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BOOST_CHECK(m.samples == NULL);
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}
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// Push 8 samples of 1.0s to bring the total up to 16
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push_analog(s, 8, 1.0f);
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// There should now be enough data for exactly one sample
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// in mip map level 0, and that sample should be 0
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const AnalogSnapshot::Envelope &e0 = s._envelope_levels[0];
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BOOST_CHECK_EQUAL(e0.length, 1);
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BOOST_CHECK_EQUAL(e0.data_length, AnalogSnapshot::EnvelopeDataUnit);
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BOOST_REQUIRE(e0.samples != NULL);
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BOOST_CHECK_EQUAL(e0.samples[0].min, 0.0f);
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BOOST_CHECK_EQUAL(e0.samples[0].max, 1.0f);
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// The higher levels should still be empty
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for (unsigned int i = 1; i < AnalogSnapshot::ScaleStepCount; i++)
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{
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const AnalogSnapshot::Envelope &m = s._envelope_levels[i];
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BOOST_CHECK_EQUAL(m.length, 0);
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BOOST_CHECK_EQUAL(m.data_length, 0);
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BOOST_CHECK(m.samples == NULL);
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}
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// Push 240 samples of all zeros to bring the total up to 256
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push_analog(s, 240, -1.0f);
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BOOST_CHECK_EQUAL(e0.length, 16);
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BOOST_CHECK_EQUAL(e0.data_length, AnalogSnapshot::EnvelopeDataUnit);
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for (unsigned int i = 1; i < e0.length; i++) {
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BOOST_CHECK_EQUAL(e0.samples[i].min, -1.0f);
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BOOST_CHECK_EQUAL(e0.samples[i].max, -1.0f);
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}
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const AnalogSnapshot::Envelope &e1 = s._envelope_levels[1];
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BOOST_CHECK_EQUAL(e1.length, 1);
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BOOST_CHECK_EQUAL(e1.data_length, AnalogSnapshot::EnvelopeDataUnit);
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BOOST_REQUIRE(e1.samples != NULL);
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BOOST_CHECK_EQUAL(e1.samples[0].min, -1.0f);
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BOOST_CHECK_EQUAL(e1.samples[0].max, 1.0f);
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}
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BOOST_AUTO_TEST_SUITE_END()
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