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#include <QtTest/QtTest>
#include <QList>

//TESTED_CLASS=QList
//TESTED_FILES=corelib/tools/qlist.h corelib/tools/qlist.cpp

/*!
  \class tst_QVector
  \internal
  \since 4.5
  \brief Test Qt's class QList.
 */
class tst_QList : public QObject
{
    Q_OBJECT

private slots:
    void length() const;
    void lengthSignature() const;
    void append() const;
    void prepend() const;
    void mid() const;
};

void tst_QList::length() const
{
    /* Empty list. */
    {
        const QList<int> list;
        QCOMPARE(list.length(), 0);
    }

    /* One entry. */
    {
        QList<int> list;
        list.append(0);
        QCOMPARE(list.length(), 1);
    }

    /* Two entries. */
    {
        QList<int> list;
        list.append(0);
        list.append(1);
        QCOMPARE(list.length(), 2);
    }

    /* Three entries. */
    {
        QList<int> list;
        list.append(0);
        list.append(0);
        list.append(0);
        QCOMPARE(list.length(), 3);
    }
}

void tst_QList::lengthSignature() const
{
    /* Constness. */
    {
        const QList<int> list;
        /* The function should be const. */
        list.length();
    }
}

void tst_QList::append() const
{
    /* test append(const QList<T> &) function */
    QString one("one");
    QString two("two");
    QString three("three");
    QString four("four");
    QList<QString> list1;
    QList<QString> list2;
    QList<QString> listTotal;
    list1.append(one);
    list1.append(two);
    list2.append(three);
    list2.append(four);
    list1.append(list2);
    qDebug() << list1;
    listTotal.append(one);
    listTotal.append(two);
    listTotal.append(three);
    listTotal.append(four);
    QCOMPARE(list1, listTotal);

}

void tst_QList::prepend() const
{
    QList<QString *> list;
    QString *str1 = new QString;
    list.prepend(str1);
    QVERIFY(list.size() == 1);
    QVERIFY(list.at(0) == str1);
    QString *str2 = new QString;
    list.prepend(str2);
    QVERIFY(list.size() == 2);
    QVERIFY(list.at(0) == str2);
    QVERIFY(list.at(1) == str1);
    QString *str3 = new QString;
    list.prepend(str3);
    QVERIFY(list.size() == 3);
    QVERIFY(list.at(0) == str3);
    QVERIFY(list.at(1) == str2);
    QVERIFY(list.at(2) == str1);
    list.removeAll(str2);
    delete str2;
    QVERIFY(list.size() == 2);
    QVERIFY(list.at(0) == str3);
    QVERIFY(list.at(1) == str1);
    QString *str4 = new QString;
    list.prepend(str4);
    QVERIFY(list.size() == 3);
    QVERIFY(list.at(0) == str4);
    QVERIFY(list.at(1) == str3);
    QVERIFY(list.at(2) == str1);
    qDeleteAll(list);
    list.clear();
}

void tst_QList::mid() const
{
    QList<QString> list;
    list << "foo" << "bar" << "baz" << "bak" << "buck" << "hello" << "kitty";

    QCOMPARE(list.mid(3, 3),
             QList<QString>() << "bak" << "buck" << "hello");
}

QTEST_APPLESS_MAIN(tst_QList)
#include "tst_qlist.moc"