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#include <QtTest/QtTest>

#ifdef QTEST_XMLPATTERNS

#include <QXmlItem>

/*!

 \class tst_QXmlItem

 \internal

 \since 4.4

 \brief Tests class QXmlItem.

 */

class tst_QXmlItem : public QObject

{

    Q_OBJECT

private Q_SLOTS:

    void defaultConstructor() const;

    void copyConstructor() const;

    void copyConstructorFromQVariant() const;

    void copyConstructorFromQXmlNodeModelIndex() const;

    void assignmentOperator() const;

    void isNull() const;

    void isNode() const;

    void isAtomicValue() const;

    void toAtomicValue() const;

    void toNodeModelIndex() const;

    void objectSize() const;

    void constCorrectness() const;

    void withinQVariant() const;

};

void tst_QXmlItem::defaultConstructor() const

{

    {

        QXmlItem();

    }

    {

        QXmlItem();

        QXmlItem();

    }

    {

        QXmlItem();

        QXmlItem();

        QXmlItem();

    }

}

void tst_QXmlItem::copyConstructor() const

{

    /* Check that we can copy from a const reference. */

    {

        const QXmlItem item;

        const QXmlItem copy(item);

    }

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        const QXmlItem copy(item);

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        const QXmlItem copy(item);

    }

}

void tst_QXmlItem::copyConstructorFromQVariant() const

{

    /* Construct & destruct a single value. */

    {

        const QXmlItem item(QVariant(QString::fromLatin1("dummy")));

    }

    /* Copy a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(item.isNull());

    }

}

void tst_QXmlItem::copyConstructorFromQXmlNodeModelIndex() const

{

    // TODO copy a valid model index.

    /* Construct from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(item.isNull());

    }

}

void tst_QXmlItem::assignmentOperator() const

{

    /* Assign to self. */

    {

        /* With null value. */

        {

            QXmlItem item;

            item = item;

            item = item;

            item = item;

            item = item;

            item = item;

        }

        /* With the same atomic value. */

        {

            QXmlItem item(QVariant(QString::fromLatin1("dummy")));

            item = item;

            item = item;

            item = item;

            item = item;

            item = item;

        }

        /* With the same node. */

        {

            // TODO

        }

        /* With a QXmlItem constructed from a null QVariant. */

        {

            QXmlItem item((QVariant()));

            item = item;

            item = item;

            item = item;

            item = item;

            item = item;

        }

        /* With a QXmlItem constructed from a null QXmlNodeModelIndex. */

        {

            QXmlItem item((QXmlNodeModelIndex()));

            item = item;

            item = item;

            item = item;

            item = item;

            item = item;

        }

    }

}

void tst_QXmlItem::isNull() const

{

    /* Check default value. */

    {

        const QXmlItem item;

        QVERIFY(item.isNull());

    }

    /* On atomic value. */

    {

        const QXmlItem item(QVariant(3));

        QVERIFY(!item.isNull());

    }

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(item.isNull());

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(item.isNull());

    }

}

void tst_QXmlItem::isNode() const

{

    /* Check default value. */

    {

        const QXmlItem item;

        QVERIFY(!item.isNode());

    }

    /* On atomic value. */

    {

        const QXmlItem item(QVariant(3));

        QVERIFY(!item.isNode());

    }

    // TODO on valid node index

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(!item.isNode());

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(!item.isNode());

    }

}

void tst_QXmlItem::isAtomicValue() const

{

    /* Check default value. */

    {

        const QXmlItem item;

        QVERIFY(!item.isAtomicValue());

    }

    /* On valid atomic value. */

    {

        const QXmlItem item(QVariant(3));

        QVERIFY(item.isAtomicValue());

    }

    // TODO on valid node index

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(!item.isAtomicValue());

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(!item.isAtomicValue());

    }

}

void tst_QXmlItem::toAtomicValue() const

{

    /* Check default value. */

    {

        const QXmlItem item;

        QVERIFY(item.toAtomicValue().isNull());

    }

    /* On atomic value. */

    {

        const QXmlItem item(QVariant(3));

        QCOMPARE(item.toAtomicValue(), QVariant(3));

    }

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(item.toAtomicValue().isNull());

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(item.toAtomicValue().isNull());

    }

}

void tst_QXmlItem::toNodeModelIndex() const

{

    /* Check default value. */

    {

        const QXmlItem item;

        QVERIFY(item.toNodeModelIndex().isNull());

    }

    /* On valid atomic value. */

    {

        const QXmlItem item(QVariant(3));

        QVERIFY(item.toNodeModelIndex().isNull());

    }

    /* On a QXmlItem constructed from a null QVariant. */

    {

        const QXmlItem item((QVariant()));

        QVERIFY(item.isNull());

    }

    /* On a QXmlItem constructed from a null QXmlNodeModelIndex. */

    {

        const QXmlItem item((QXmlNodeModelIndex()));

        QVERIFY(item.isNull());

    }

}

void tst_QXmlItem::objectSize() const

{

    /* We can't currently test this in portable way,

     * so disable it. */

    return;

    QCOMPARE(sizeof(QPatternist::NodeIndexStorage), sizeof(QXmlItem));

    /* Data, additional data, and pointer to model. We test for two, such that we

     * account for the padding that MSVC do. */

    QVERIFY(sizeof(QXmlItem) == sizeof(qint64) * 2 + sizeof(QAbstractXmlNodeModel *) * 2

            || sizeof(QXmlItem) == sizeof(qint64) * 2 + sizeof(QAbstractXmlNodeModel *) * 2);

}

/*!

  Check that the functions that should be const, are.

 */

void tst_QXmlItem::constCorrectness() const

{

    const QXmlItem item;

    item.isNull();

    item.isNode();

    item.isAtomicValue();

    item.toAtomicValue();

    item.toNodeModelIndex();

}

/*!

  Check that QXmlItem can be used inside QVariant.

 */

void tst_QXmlItem::withinQVariant() const

{

    QXmlItem val;

    const QVariant variant(qVariantFromValue(val));

    QXmlItem val2(qVariantValue<QXmlItem>(variant));

}

QTEST_MAIN(tst_QXmlItem)

#include "tst_qxmlitem.moc"

#else //QTEST_XMLPATTERNS

QTEST_NOOP_MAIN

#endif