Mercurial > hg > svcore

view base/test/TestRangeMapper.h @ 1174:0ad516dc5d8d

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Presume that the Vamp SDK exists at the directory next door
author Chris Cannam
date Fri, 18 Mar 2016 13:42:54 +0000
parents 12a6140b3ae0
children ccc8658914ef
line wrap: on
line source
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */

/*
    Sonic Visualiser
    An audio file viewer and annotation editor.
    Centre for Digital Music, Queen Mary, University of London.
    
    This program 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 2 of the
    License, or (at your option) any later version.  See the file
    COPYING included with this distribution for more information.
*/

#ifndef TEST_RANGE_MAPPER_H
#define TEST_RANGE_MAPPER_H

#include "../RangeMapper.h"

#include <QObject>
#include <QtTest>
#include <QDir>

#include <iostream>

using namespace std;

class TestRangeMapper : public QObject
{
    Q_OBJECT

private slots:
    void linearUpForward()
    {
	LinearRangeMapper rm(1, 8, 0.5, 4.0, "x", false);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getPositionForValue(0.5), 1);
	QCOMPARE(rm.getPositionForValue(4.0), 8);
	QCOMPARE(rm.getPositionForValue(3.0), 6);
	QCOMPARE(rm.getPositionForValue(3.1), 6);
	QCOMPARE(rm.getPositionForValue(3.4), 7);
	QCOMPARE(rm.getPositionForValue(0.2), 1);
	QCOMPARE(rm.getPositionForValue(-12), 1);
	QCOMPARE(rm.getPositionForValue(6.1), 8);
	QCOMPARE(rm.getPositionForValueUnclamped(3.0), 6);
	QCOMPARE(rm.getPositionForValueUnclamped(0.2), 0);
	QCOMPARE(rm.getPositionForValueUnclamped(-12), -24);
	QCOMPARE(rm.getPositionForValueUnclamped(6.1), 12);
    }

    void linearDownForward()
    {
	LinearRangeMapper rm(1, 8, 0.5, 4.0, "x", true);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getPositionForValue(0.5), 8);
	QCOMPARE(rm.getPositionForValue(4.0), 1);
	QCOMPARE(rm.getPositionForValue(3.0), 3);
	QCOMPARE(rm.getPositionForValue(3.1), 3);
	QCOMPARE(rm.getPositionForValue(3.4), 2);
	QCOMPARE(rm.getPositionForValue(0.2), 8);
	QCOMPARE(rm.getPositionForValue(-12), 8);
	QCOMPARE(rm.getPositionForValue(6.1), 1);
	QCOMPARE(rm.getPositionForValueUnclamped(3.0), 3);
	QCOMPARE(rm.getPositionForValueUnclamped(0.2), 9);
	QCOMPARE(rm.getPositionForValueUnclamped(-12), 33);
	QCOMPARE(rm.getPositionForValueUnclamped(6.1), -3);
    }

    void linearUpBackward()
    {
	LinearRangeMapper rm(1, 8, 0.5, 4.0, "x", false);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getValueForPosition(1), 0.5);
	QCOMPARE(rm.getValueForPosition(8), 4.0);
	QCOMPARE(rm.getValueForPosition(6), 3.0);
	QCOMPARE(rm.getValueForPosition(7), 3.5);
	QCOMPARE(rm.getValueForPosition(0), rm.getValueForPosition(1));
	QCOMPARE(rm.getValueForPosition(9), rm.getValueForPosition(8));
	QCOMPARE(rm.getValueForPositionUnclamped(6), 3.0);
	QCOMPARE(rm.getValueForPositionUnclamped(0), 0.0);
	QCOMPARE(rm.getValueForPositionUnclamped(-24), -12.0);
	QCOMPARE(rm.getValueForPositionUnclamped(12), 6.0);
    }

    void linearDownBackward()
    {
	LinearRangeMapper rm(1, 8, 0.5, 4.0, "x", true);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getValueForPosition(8), 0.5);
	QCOMPARE(rm.getValueForPosition(1), 4.0);
	QCOMPARE(rm.getValueForPosition(3), 3.0);
	QCOMPARE(rm.getValueForPosition(2), 3.5);
	QCOMPARE(rm.getValueForPosition(0), rm.getValueForPosition(1));
	QCOMPARE(rm.getValueForPosition(9), rm.getValueForPosition(8));
	QCOMPARE(rm.getValueForPositionUnclamped(3), 3.0);
	QCOMPARE(rm.getValueForPositionUnclamped(9), 0.0);
	QCOMPARE(rm.getValueForPositionUnclamped(33), -12.0);
	QCOMPARE(rm.getValueForPositionUnclamped(-3), 6.0);
    }

    void logUpForward()
    {
	LogRangeMapper rm(3, 7, 10, 100000, "x", false);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getPositionForValue(10.0), 3);
	QCOMPARE(rm.getPositionForValue(100000.0), 7);
	QCOMPARE(rm.getPositionForValue(1.0), 3);
	QCOMPARE(rm.getPositionForValue(1000000.0), 7);
	QCOMPARE(rm.getPositionForValue(1000.0), 5);
	QCOMPARE(rm.getPositionForValue(900.0), 5);
	QCOMPARE(rm.getPositionForValue(20000), 6);
	QCOMPARE(rm.getPositionForValueUnclamped(1.0), 2);
	QCOMPARE(rm.getPositionForValueUnclamped(1000000.0), 8);
	QCOMPARE(rm.getPositionForValueUnclamped(1000.0), 5);
    }

    void logDownForward()
    {
	LogRangeMapper rm(3, 7, 10, 100000, "x", true);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getPositionForValue(10.0), 7);
	QCOMPARE(rm.getPositionForValue(100000.0), 3);
	QCOMPARE(rm.getPositionForValue(1.0), 7);
	QCOMPARE(rm.getPositionForValue(1000000.0), 3);
	QCOMPARE(rm.getPositionForValue(1000.0), 5);
	QCOMPARE(rm.getPositionForValue(900.0), 5);
	QCOMPARE(rm.getPositionForValue(20000), 4);
	QCOMPARE(rm.getPositionForValueUnclamped(1.0), 8);
	QCOMPARE(rm.getPositionForValueUnclamped(1000000.0), 2);
	QCOMPARE(rm.getPositionForValueUnclamped(1000.0), 5);
    }

    void logUpBackward()
    {
	LogRangeMapper rm(3, 7, 10, 100000, "x", false);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getValueForPosition(3), 10.0);
	QCOMPARE(rm.getValueForPosition(7), 100000.0);
	QCOMPARE(rm.getValueForPosition(5), 1000.0);
	QCOMPARE(rm.getValueForPosition(6), 10000.0);
	QCOMPARE(rm.getValueForPosition(0), rm.getValueForPosition(3));
	QCOMPARE(rm.getValueForPosition(9), rm.getValueForPosition(7));
	QCOMPARE(rm.getValueForPositionUnclamped(2), 1.0);
        QCOMPARE(rm.getValueForPositionUnclamped(8), 1000000.0);
        QCOMPARE(rm.getValueForPositionUnclamped(5), 1000.0);
    }

    void logDownBackward()
    {
	LogRangeMapper rm(3, 7, 10, 100000, "x", true);
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getValueForPosition(7), 10.0);
	QCOMPARE(rm.getValueForPosition(3), 100000.0);
	QCOMPARE(rm.getValueForPosition(5), 1000.0);
	QCOMPARE(rm.getValueForPosition(4), 10000.0);
	QCOMPARE(rm.getValueForPosition(0), rm.getValueForPosition(3));
	QCOMPARE(rm.getValueForPosition(9), rm.getValueForPosition(7));
	QCOMPARE(rm.getValueForPositionUnclamped(8), 1.0);
        QCOMPARE(rm.getValueForPositionUnclamped(2), 1000000.0);
        QCOMPARE(rm.getValueForPositionUnclamped(5), 1000.0);
    }

    void interpolatingForward()
    {
	InterpolatingRangeMapper::CoordMap mappings;
	mappings[1] = 10;
	mappings[3] = 30;
	mappings[5] = 70;
	InterpolatingRangeMapper rm(mappings, "x");
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getPositionForValue(1.0), 10);
	QCOMPARE(rm.getPositionForValue(0.0), 10);
	QCOMPARE(rm.getPositionForValue(5.0), 70);
	QCOMPARE(rm.getPositionForValue(6.0), 70);
	QCOMPARE(rm.getPositionForValue(3.0), 30);
	QCOMPARE(rm.getPositionForValue(2.5), 25);
	QCOMPARE(rm.getPositionForValue(4.5), 60);
	QCOMPARE(rm.getPositionForValueUnclamped(0.0), 0);
	QCOMPARE(rm.getPositionForValueUnclamped(2.5), 25);
	QCOMPARE(rm.getPositionForValueUnclamped(6.0), 90);
    }

    void interpolatingBackward()
    {
	InterpolatingRangeMapper::CoordMap mappings;
	mappings[1] = 10;
	mappings[3] = 30;
	mappings[5] = 70;
	InterpolatingRangeMapper rm(mappings, "x");
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getValueForPosition(10), 1.0);
	QCOMPARE(rm.getValueForPosition(9), 1.0);
	QCOMPARE(rm.getValueForPosition(70), 5.0);
	QCOMPARE(rm.getValueForPosition(80), 5.0);
	QCOMPARE(rm.getValueForPosition(30), 3.0);
	QCOMPARE(rm.getValueForPosition(25), 2.5);
	QCOMPARE(rm.getValueForPosition(60), 4.5);
    }

    void autoLinearForward()
    {
	AutoRangeMapper::CoordMap mappings;
	mappings[0.5] = 1;
	mappings[4.0] = 8;
	AutoRangeMapper rm1(mappings, "x");
	QCOMPARE(rm1.getUnit(), QString("x"));
	QCOMPARE(rm1.getType(), AutoRangeMapper::StraightLine);
	QCOMPARE(rm1.getPositionForValue(0.1), 1);
	QCOMPARE(rm1.getPositionForValue(0.5), 1);
	QCOMPARE(rm1.getPositionForValue(4.0), 8);
	QCOMPARE(rm1.getPositionForValue(4.5), 8);
	QCOMPARE(rm1.getPositionForValue(3.0), 6);
	QCOMPARE(rm1.getPositionForValue(3.1), 6);
	QCOMPARE(rm1.getPositionForValueUnclamped(0.1), 0);
	QCOMPARE(rm1.getPositionForValueUnclamped(3.1), 6);
	QCOMPARE(rm1.getPositionForValueUnclamped(4.5), 9);
	mappings[3.0] = 6;
	mappings[3.5] = 7;
	AutoRangeMapper rm2(mappings, "x");
	QCOMPARE(rm2.getUnit(), QString("x"));
	QCOMPARE(rm2.getType(), AutoRangeMapper::StraightLine);
	QCOMPARE(rm2.getPositionForValue(0.5), 1);
	QCOMPARE(rm2.getPositionForValue(4.0), 8);
	QCOMPARE(rm2.getPositionForValue(3.0), 6);
	QCOMPARE(rm2.getPositionForValue(3.1), 6);
    }

    void autoLogForward()
    {
	AutoRangeMapper::CoordMap mappings;
	mappings[10] = 3;
	mappings[1000] = 5;
	mappings[100000] = 7;
	AutoRangeMapper rm1(mappings, "x");
	QCOMPARE(rm1.getUnit(), QString("x"));
	QCOMPARE(rm1.getType(), AutoRangeMapper::Logarithmic);
	QCOMPARE(rm1.getPositionForValue(10.0), 3);
	QCOMPARE(rm1.getPositionForValue(100000.0), 7);
	QCOMPARE(rm1.getPositionForValue(1.0), 3);
	QCOMPARE(rm1.getPositionForValue(1000000.0), 7);
	QCOMPARE(rm1.getPositionForValue(1000.0), 5);
	QCOMPARE(rm1.getPositionForValue(900.0), 5);
	QCOMPARE(rm1.getPositionForValue(20000), 6);
	QCOMPARE(rm1.getPositionForValueUnclamped(1.0), 2);
	QCOMPARE(rm1.getPositionForValueUnclamped(900.0), 5);
	QCOMPARE(rm1.getPositionForValueUnclamped(1000000.0), 8);
	mappings[100] = 4;
	AutoRangeMapper rm2(mappings, "x");
	QCOMPARE(rm2.getUnit(), QString("x"));
	QCOMPARE(rm2.getType(), AutoRangeMapper::Logarithmic);
	QCOMPARE(rm2.getPositionForValue(10.0), 3);
	QCOMPARE(rm2.getPositionForValue(100000.0), 7);
	QCOMPARE(rm2.getPositionForValue(1.0), 3);
	QCOMPARE(rm2.getPositionForValue(1000000.0), 7);
	QCOMPARE(rm2.getPositionForValue(1000.0), 5);
	QCOMPARE(rm2.getPositionForValue(900.0), 5);
	QCOMPARE(rm2.getPositionForValue(20000), 6);
    }

    void autoInterpolatingForward()
    {
	AutoRangeMapper::CoordMap mappings;
	mappings[1] = 10;
	mappings[3] = 30;
	mappings[5] = 70;
	AutoRangeMapper rm(mappings, "x");
	QCOMPARE(rm.getUnit(), QString("x"));
	QCOMPARE(rm.getType(), AutoRangeMapper::Interpolating);
	QCOMPARE(rm.getPositionForValue(1.0), 10);
	QCOMPARE(rm.getPositionForValue(0.0), 10);
	QCOMPARE(rm.getPositionForValue(5.0), 70);
	QCOMPARE(rm.getPositionForValue(6.0), 70);
	QCOMPARE(rm.getPositionForValue(3.0), 30);
	QCOMPARE(rm.getPositionForValue(2.5), 25);
	QCOMPARE(rm.getPositionForValue(4.5), 60);
	QCOMPARE(rm.getPositionForValueUnclamped(0.0), 0);
	QCOMPARE(rm.getPositionForValueUnclamped(5.0), 70);
	QCOMPARE(rm.getPositionForValueUnclamped(6.0), 90);
    }
};

#endif