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#include <QtTest/QtTest>

#include <QtCore/qdebug.h>

#include <qmediatimerange.h>

QT_USE_NAMESPACE

class tst_QMediaTimeRange: public QObject

{

    Q_OBJECT

public slots:

private slots:

    void testCtor();

    void testGetters();

    void testAssignment();

    void testNormalize();

    void testTranslated();

    void testEarliestLatest();

    void testContains();

    void testAddInterval();

    void testAddTimeRange();

    void testRemoveInterval();

    void testRemoveTimeRange();

    void testClear();

    void testComparisons();

    void testArithmetic();

};

void tst_QMediaTimeRange::testCtor()

{

    // Default Ctor

    QMediaTimeRange a;

    QVERIFY(a.isEmpty());

    // (qint, qint) Ctor

    QMediaTimeRange b(10, 20);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 20);

    // Interval Ctor

    QMediaTimeRange c(QMediaTimeInterval(30, 40));

    QVERIFY(!c.isEmpty());

    QVERIFY(c.isContinuous());

    QVERIFY(c.earliestTime() == 30);

    QVERIFY(c.latestTime() == 40);

    // Abnormal Interval Ctor

    QMediaTimeRange d(QMediaTimeInterval(20, 10));

    QVERIFY(d.isEmpty());

    // Copy Ctor

    QMediaTimeRange e(b);

    QVERIFY(!e.isEmpty());

    QVERIFY(e.isContinuous());

    QVERIFY(e.earliestTime() == 10);

    QVERIFY(e.latestTime() == 20);

}

void tst_QMediaTimeRange::testGetters()

{

    QMediaTimeRange x;

    // isEmpty

    QVERIFY(x.isEmpty());

    x.addInterval(10, 20);

    // isEmpty + isContinuous

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    x.addInterval(30, 40);

    // isEmpty + isContinuous + intervals + start + end

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.intervals().count() == 2);

    QVERIFY(x.intervals()[0].start() == 10);

    QVERIFY(x.intervals()[0].end() == 20);

    QVERIFY(x.intervals()[1].start() == 30);

    QVERIFY(x.intervals()[1].end() == 40);

}

void tst_QMediaTimeRange::testAssignment()

{

    QMediaTimeRange x;

    // Range Assignment

    x = QMediaTimeRange(10, 20);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 20);

    // Interval Assignment

    x = QMediaTimeInterval(30, 40);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 30);

    QVERIFY(x.latestTime() == 40);

    // Shared Data Check

    QMediaTimeRange y;

    y = x;

    y.addInterval(10, 20);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 30);

    QVERIFY(x.latestTime() == 40);

}

void tst_QMediaTimeRange::testNormalize()

{

    QMediaTimeInterval x(20, 10);

    QVERIFY(!x.isNormal());

    x = x.normalized();

    QVERIFY(x.isNormal());

    QVERIFY(x.start() == 10);

    QVERIFY(x.end() == 20);

}

void tst_QMediaTimeRange::testTranslated()

{

    QMediaTimeInterval x(10, 20);

    x = x.translated(10);

    QVERIFY(x.start() == 20);

    QVERIFY(x.end() == 30);

}

void tst_QMediaTimeRange::testEarliestLatest()

{

    // Test over a single interval

    QMediaTimeRange x(30, 40);

    QVERIFY(x.earliestTime() == 30);

    QVERIFY(x.latestTime() == 40);

    // Test over multiple intervals

    x.addInterval(50, 60);

    QVERIFY(x.earliestTime() == 30);

    QVERIFY(x.latestTime() == 60);

}

void tst_QMediaTimeRange::testContains()

{    

    // Test over a single interval

    QMediaTimeRange x(10, 20);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.contains(15));

    QVERIFY(x.contains(10));

    QVERIFY(x.contains(20));

    QVERIFY(!x.contains(25));

    // Test over multiple intervals

    x.addInterval(40, 50);

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.contains(15));

    QVERIFY(x.contains(45));

    QVERIFY(!x.contains(30));

    // Test over a concrete interval

    QMediaTimeInterval y(10, 20);

    QVERIFY(y.contains(15));

    QVERIFY(y.contains(10));

    QVERIFY(y.contains(20));

    QVERIFY(!y.contains(25));

}

void tst_QMediaTimeRange::testAddInterval()

{

    // All intervals Overlap

    QMediaTimeRange x;

    x.addInterval(10, 40);

    x.addInterval(30, 50);

    x.addInterval(20, 60);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 60);

    // 1 adjacent interval, 1 encompassed interval

    x = QMediaTimeRange();

    x.addInterval(10, 40);

    x.addInterval(20, 30);

    x.addInterval(41, 50);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 50);

    // 1 overlapping interval, 1 disjoint interval

    x = QMediaTimeRange();

    x.addInterval(10, 30);

    x.addInterval(20, 40);

    x.addInterval(50, 60);

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.intervals().count() == 2);

    QVERIFY(x.intervals()[0].start() == 10);

    QVERIFY(x.intervals()[0].end() == 40);

    QVERIFY(x.intervals()[1].start() == 50);

    QVERIFY(x.intervals()[1].end() == 60);

    // Identical Add

    x = QMediaTimeRange();

    x.addInterval(10, 20);

    x.addInterval(10, 20);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 20);

    // Multi-Merge

    x = QMediaTimeRange();

    x.addInterval(10, 20);

    x.addInterval(30, 40);

    x.addInterval(50, 60);

    x.addInterval(15, 55);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 60);

    // Interval Parameter - All intervals Overlap

    x = QMediaTimeRange();

    x.addInterval(QMediaTimeInterval(10, 40));

    x.addInterval(QMediaTimeInterval(30, 50));

    x.addInterval(QMediaTimeInterval(20, 60));

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 60);

    // Interval Parameter - Abnormal Interval

    x = QMediaTimeRange();

    x.addInterval(QMediaTimeInterval(20, 10));

    QVERIFY(x.isEmpty());

}

void tst_QMediaTimeRange::testAddTimeRange()

{

    // Add Time Range uses Add Interval internally,

    // so in this test the focus is on combinations of number

    // of intervals added, rather than the different types of

    // merges which can occur.

    QMediaTimeRange a, b;

    // Add Single into Single

    a = QMediaTimeRange(10, 30);

    b = QMediaTimeRange(20, 40);

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 40);

    // Add Multiple into Single

    a = QMediaTimeRange();

    a.addInterval(10, 30);

    a.addInterval(40, 60);

    b = QMediaTimeRange(20, 50);

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 60);

    // Add Single into Multiple

    a = QMediaTimeRange(20, 50);

    b = QMediaTimeRange();

    b.addInterval(10, 30);

    b.addInterval(40, 60);

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 60);

    // Add Multiple into Multiple

    a = QMediaTimeRange();

    a.addInterval(10, 30);

    a.addInterval(40, 70);

    a.addInterval(80, 100);

    b = QMediaTimeRange();

    b.addInterval(20, 50);

    b.addInterval(60, 90);

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 100);

    // Add Nothing to Single

    a = QMediaTimeRange();

    b = QMediaTimeRange(10, 20);

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 20);

    // Add Single to Nothing

    a = QMediaTimeRange(10, 20);

    b = QMediaTimeRange();

    b.addTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 10);

    QVERIFY(b.latestTime() == 20);

    // Add Nothing to Nothing

    a = QMediaTimeRange();

    b = QMediaTimeRange();

    b.addTimeRange(a);

    QVERIFY(b.isEmpty());

}

void tst_QMediaTimeRange::testRemoveInterval()

{

    // Removing an interval, causing a split

    QMediaTimeRange x;

    x.addInterval(10, 50);

    x.removeInterval(20, 40);

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.intervals().count() == 2);

    QVERIFY(x.intervals()[0].start() == 10);

    QVERIFY(x.intervals()[0].end() == 19);

    QVERIFY(x.intervals()[1].start() == 41);

    QVERIFY(x.intervals()[1].end() == 50);

    // Removing an interval, causing a deletion

    x = QMediaTimeRange();

    x.addInterval(20, 30);

    x.removeInterval(10, 40);

    QVERIFY(x.isEmpty());

    // Removing an interval, causing a tail trim

    x = QMediaTimeRange();

    x.addInterval(20, 40);

    x.removeInterval(30, 50);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 20);

    QVERIFY(x.latestTime() == 29);

    // Removing an interval, causing a head trim

    x = QMediaTimeRange();

    x.addInterval(20, 40);

    x.removeInterval(10, 30);

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 31);

    QVERIFY(x.latestTime() == 40);

    // Identical Remove

    x = QMediaTimeRange();

    x.addInterval(10, 20);

    x.removeInterval(10, 20);

    QVERIFY(x.isEmpty());

    // Multi-Trim

    x = QMediaTimeRange();

    x.addInterval(10, 20);

    x.addInterval(30, 40);

    x.removeInterval(15, 35);

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.intervals().count() == 2);

    QVERIFY(x.intervals()[0].start() == 10);

    QVERIFY(x.intervals()[0].end() == 14);

    QVERIFY(x.intervals()[1].start() == 36);

    QVERIFY(x.intervals()[1].end() == 40);

    // Multi-Delete

    x = QMediaTimeRange();

    x.addInterval(10, 20);

    x.addInterval(30, 40);

    x.addInterval(50, 60);

    x.removeInterval(10, 60);

    QVERIFY(x.isEmpty());

    // Interval Parameter - Removing an interval, causing a split

    x = QMediaTimeRange();

    x.addInterval(10, 50);

    x.removeInterval(QMediaTimeInterval(20, 40));

    QVERIFY(!x.isEmpty());

    QVERIFY(!x.isContinuous());

    QVERIFY(x.intervals().count() == 2);

    QVERIFY(x.intervals()[0].start() == 10);

    QVERIFY(x.intervals()[0].end() == 19);

    QVERIFY(x.intervals()[1].start() == 41);

    QVERIFY(x.intervals()[1].end() == 50);

    // Interval Parameter - Abnormal Interval

    x = QMediaTimeRange();

    x.addInterval(10, 40);

    x.removeInterval(QMediaTimeInterval(30, 20));

    QVERIFY(!x.isEmpty());

    QVERIFY(x.isContinuous());

    QVERIFY(x.earliestTime() == 10);

    QVERIFY(x.latestTime() == 40);

}

void tst_QMediaTimeRange::testRemoveTimeRange()

{

    // Remove Time Range uses Remove Interval internally,

    // so in this test the focus is on combinations of number

    // of intervals removed, rather than the different types of

    // deletions which can occur.

    QMediaTimeRange a, b;

    // Remove Single from Single

    a = QMediaTimeRange(10, 30);

    b = QMediaTimeRange(20, 40);

    b.removeTimeRange(a);

    QVERIFY(!b.isEmpty());

    QVERIFY(b.isContinuous());

    QVERIFY(b.earliestTime() == 31);

    QVERIFY(b.latestTime() == 40);

    // Remove Multiple from Single

    a = QMediaTimeRange();

    a.addInterval(10, 30);

    a.addInterval(40, 60);

    b = QMediaTimeRange(20, 50);

    b.removeTimeRange(a);

    QVERIFY(!b.isEmpty());