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::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::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());
}