view base/test/TestEventSeries.h @ 1616:de446dd905e6 single-point

Rework EventSeries to explicitly store counts of events (+ add comments explaining, among other things, why)

/* -*- 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_EVENT_SERIES_H
#define TEST_EVENT_SERIES_H

#include "../EventSeries.h"

#include <QObject>
#include <QtTest>

#include <iostream>

using namespace std;

class TestEventSeries : public QObject
{
    Q_OBJECT

private slots:
    void empty() {

        EventSeries s;
        QCOMPARE(s.isEmpty(), true);
        QCOMPARE(s.count(), 0);

        Event p(10, QString());
        QCOMPARE(s.contains(p), false);
        QCOMPARE(s.getEventsCovering(400), EventVector());
    }

    void singleEvent() {

        EventSeries s;
        Event p(10, QString());
        s.add(p);
        QCOMPARE(s.isEmpty(), false);
        QCOMPARE(s.count(), 1);
        QCOMPARE(s.contains(p), true);

        s.remove(p);
        QCOMPARE(s.isEmpty(), true);
        QCOMPARE(s.count(), 0);
        QCOMPARE(s.contains(p), false);
    }

    void duplicateEvents() {

        EventSeries s;
        Event p(10, QString());
        s.add(p);
        s.add(p);
        QCOMPARE(s.isEmpty(), false);
        QCOMPARE(s.count(), 2);
        QCOMPARE(s.contains(p), true);

        s.remove(p);
        QCOMPARE(s.isEmpty(), false);
        QCOMPARE(s.count(), 1);
        QCOMPARE(s.contains(p), true);

        s.remove(p);
        QCOMPARE(s.isEmpty(), true);
        QCOMPARE(s.count(), 0);
        QCOMPARE(s.contains(p), false);
    }

    void singleEventCover() {

        EventSeries s;
        Event p(10, QString());
        s.add(p);
        EventVector cover;
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }

    void similarEventsCover() {

        EventSeries s;
        Event a(10, QString("a"));
        Event b(10, QString("b"));
        s.add(a);
        s.add(b);
        EventVector cover;
        cover.push_back(a);
        cover.push_back(b);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }

    void singleEventWithDurationCover() {

        EventSeries s;
        Event p(10, 1.0, 20, QString());
        s.add(p);
        EventVector cover;
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), cover);
        QCOMPARE(s.getEventsCovering(29), cover);
        QCOMPARE(s.getEventsCovering(30), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }

    void identicalEventsCover() {

        EventSeries s;
        Event p(10, QString());
        s.add(p);
        s.add(p);

        EventVector cover;
        cover.push_back(p);
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());

        s.remove(p);
        cover.clear();
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }
    
    void identicalEventsWithDurationCover() {

        EventSeries s;
        Event p(10, 1.0, 20, QString());
        s.add(p);
        s.add(p);
        EventVector cover;
        cover.push_back(p);
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), cover);
        QCOMPARE(s.getEventsCovering(29), cover);
        QCOMPARE(s.getEventsCovering(30), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());

        s.remove(p);
        cover.clear();
        cover.push_back(p);
        QCOMPARE(s.getEventsCovering(10), cover);
        QCOMPARE(s.getEventsCovering(11), cover);
        QCOMPARE(s.getEventsCovering(29), cover);
        QCOMPARE(s.getEventsCovering(30), EventVector());
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }

    void multipleEventsCover() {

        EventSeries s;
        Event a(10, QString("a"));
        Event b(11, QString("b"));
        Event c(40, QString("c"));
        s.add(c);
        s.add(a);
        s.add(b);
        s.remove(a);
        s.add(a);
        s.add(c);
        s.remove(c);
        QCOMPARE(s.count(), 3);
        EventVector cover;
        cover.push_back(a);
        QCOMPARE(s.getEventsCovering(10), cover);
        cover.clear();
        cover.push_back(c);
        QCOMPARE(s.getEventsCovering(40), cover);
        QCOMPARE(s.getEventsCovering(9), EventVector());
    }

    void disjointEventsWithDurationCover() {

        EventSeries s;
        Event a(10, 1.0f, 20, QString("a"));
        Event b(100, 1.2f, 30, QString("b"));
        s.add(a);
        s.add(b);
        QCOMPARE(s.getEventsCovering(0), EventVector());
        QCOMPARE(s.getEventsCovering(10), EventVector({ a }));
        QCOMPARE(s.getEventsCovering(15), EventVector({ a }));
        QCOMPARE(s.getEventsCovering(30), EventVector());
        QCOMPARE(s.getEventsCovering(99), EventVector());
        QCOMPARE(s.getEventsCovering(100), EventVector({ b }));
        QCOMPARE(s.getEventsCovering(120), EventVector({ b }));
        QCOMPARE(s.getEventsCovering(130), EventVector());
    }
    
    void overlappingEventsWithAndWithoutDurationCover() {

        EventSeries s;
        Event p(20, QString("p"));
        Event a(10, 1.0f, 20, QString("a"));
        s.add(p);
        s.add(a);
        EventVector cover;
        cover.push_back(a);
        QCOMPARE(s.getEventsCovering(15), cover);
        QCOMPARE(s.getEventsCovering(25), cover);
        cover.clear();
        cover.push_back(p);
        cover.push_back(a);
        QCOMPARE(s.getEventsCovering(20), cover);
    }

    void overlappingEventsWithDurationCover() {

        EventSeries s;
        Event a(20, 1.0f, 10, QString("a"));
        Event b(10, 1.0f, 20, QString("b"));
        Event c(10, 1.0f, 40, QString("c"));
        s.add(a);
        s.add(b);
        s.add(c);
        QCOMPARE(s.getEventsCovering(10), EventVector({ b, c }));
        QCOMPARE(s.getEventsCovering(20), EventVector({ b, c, a }));
        QCOMPARE(s.getEventsCovering(25), EventVector({ b, c, a }));
        QCOMPARE(s.getEventsCovering(30), EventVector({ c }));
        QCOMPARE(s.getEventsCovering(40), EventVector({ c }));
        QCOMPARE(s.getEventsCovering(50), EventVector());
    }

    void eventPatternCover() {

        EventSeries s;
        Event a(0, 1.0f, 18, QString("a"));
        Event b(3, 2.0f, 6, QString("b"));
        Event c(5, 3.0f, 2, QString("c"));
        Event cc(5, 3.1f, 2, QString("cc"));
        Event d(6, 4.0f, 10, QString("d"));
        Event dd(6, 4.5f, 10, QString("dd"));
        Event e(14, 5.0f, 3, QString("e"));
        s.add(b);
        s.add(c);
        s.add(d);
        s.add(a);
        s.add(cc);
        s.add(dd);
        s.add(e);
        QCOMPARE(s.getEventsCovering(8), EventVector({ a, b, d, dd }));
    }

    void eventPatternAddRemove() {

        // This is mostly here to exercise the innards of EventSeries
        // and check it doesn't crash out with any internal
        // consistency problems
        
        EventSeries s;
        Event a(0, 1.0f, 18, QString("a"));
        Event b(3, 2.0f, 6, QString("b"));
        Event c(5, 3.0f, 2, QString("c"));
        Event cc(5, 3.1f, 2, QString("cc"));
        Event d(6, 4.0f, 10, QString("d"));
        Event dd(6, 4.5f, 10, QString("dd"));
        Event e(14, 5.0f, 3, QString("e"));
        s.add(b);
        s.add(c);
        s.add(d);
        s.add(a);
        s.add(cc);
        s.add(dd);
        s.add(e);
        QCOMPARE(s.count(), 7);
        s.remove(d);
        QCOMPARE(s.getEventsCovering(8), EventVector({ a, b, dd }));
        s.remove(e);
        s.remove(a);
        QCOMPARE(s.getEventsCovering(8), EventVector({ b, dd }));
        s.remove(cc);
        s.remove(c);
        s.remove(dd);
        QCOMPARE(s.getEventsCovering(8), EventVector({ b }));
        s.remove(b);
        QCOMPARE(s.getEventsCovering(8), EventVector());
        QCOMPARE(s.count(), 0);
        QCOMPARE(s.isEmpty(), true);
    }
};

#endif