test.uk.co.modularaudio.util.audio.mvc.displayslider.TestMixdownMeterIntToFloatConverter.java Source code

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Here is the source code for test.uk.co.modularaudio.util.audio.mvc.displayslider.TestMixdownMeterIntToFloatConverter.java

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/**
 *
 * Copyright (C) 2015 - Daniel Hams, Modular Audio Limited
 *                      daniel.hams@gmail.com
 *
 * Mad 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 3 of the License, or
 * (at your option) any later version.
 *
 * Mad 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 Mad.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package test.uk.co.modularaudio.util.audio.mvc.displayslider;

import java.io.IOException;

import junit.framework.TestCase;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import uk.co.modularaudio.util.audio.mvc.displayslider.models.MixdownMeterIntToFloatConverter;
import uk.co.modularaudio.util.math.MathFormatter;

public class TestMixdownMeterIntToFloatConverter extends TestCase {
    private static Log log = LogFactory.getLog(TestMixdownMeterIntToFloatConverter.class.getName());

    public TestMixdownMeterIntToFloatConverter() {
    }

    public void testMixdownMeterConversions() throws IOException {
        final MixdownMeterIntToFloatConverter intToFloatConverter = new MixdownMeterIntToFloatConverter();

        intToFloatTests(intToFloatConverter);

        floatToIntTests(intToFloatConverter);

    }

    private void intToFloatTests(final MixdownMeterIntToFloatConverter intToFloatConverter) {
        final int numCompressedSteps = intToFloatConverter.getNumCompressedSteps();
        final int numLinearSteps = intToFloatConverter.getNumLinearSteps();
        final int numTotalSteps = intToFloatConverter.getNumTotalSteps();

        log.debug("IntToFloatConverter - NCS(" + numCompressedSteps + ") NLS(" + numLinearSteps + ") NTS("
                + numTotalSteps + ")");

        for (int i = 0; i < numTotalSteps; ++i) {
            final float sliderFloatVal = intToFloatConverter.sliderIntValueToFloatValue(null, i);
            log.debug("IntToFloat " + i + " to " + MathFormatter.fastFloatPrint(sliderFloatVal, 5, true));
        }
    }

    private void floatToIntTests(final MixdownMeterIntToFloatConverter intToFloatConverter) {
        final float[] testFloatVals = new float[] { 0.0f, -1.0f, -5.0f, -10.0f, -15.0f, -29.0f, -30.0f, -31.0f,
                -50.0f, -69.0f, -70.0f, -71.0f, -80.0f, -90.0f, -120.0f, // This should get rounded down to -INF since -90.0dB is the lowest value
                -1000.0f, Float.NEGATIVE_INFINITY };

        for (final float f : testFloatVals) {
            final int sliderIntVal = intToFloatConverter.floatValueToSliderIntValue(null, f);
            if (f == Float.NEGATIVE_INFINITY) {
                log.debug("FloatToInt -Inf as int: " + sliderIntVal);
            } else {
                log.debug("FloatToInt " + MathFormatter.fastFloatPrint(f, 5, true) + " as int: " + sliderIntVal);
            }
        }
    }
}