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#include <qtest.h>
#include <QUrl>
#include <QFileInfo>
#include <QDir>
#include <QDeclarativeEngine>
#include <QDeclarativeComponent>
#include <QtDeclarative/qdeclarative.h>
#include <QtDeclarative/qdeclarativeprivate.h>
#include <QtDeclarative/qdeclarativeproperty.h>
#include <QDebug>

inline QUrl TEST_FILE(const QString &filename)
{
    QFileInfo fileInfo(__FILE__);
    return QUrl::fromLocalFile(fileInfo.absoluteDir().filePath("data/" + filename));
}

inline QUrl TEST_FILE(const char *filename)
{
    return TEST_FILE(QLatin1String(filename));
}

class tst_qdeclarativelistreference : public QObject
{
    Q_OBJECT
public:
    tst_qdeclarativelistreference() {}

private slots:
    void initTestCase();
    void qmllistreference();
    void qmllistreference_invalid();
    void isValid();
    void object();
    void listElementType();
    void canAppend();
    void canAt();
    void canClear();
    void canCount();
    void append();
    void at();
    void clear();
    void count();
    void copy();
    void qmlmetaproperty();
    void engineTypes();
    void variantToList();
};

class TestType : public QObject
{
    Q_OBJECT
    Q_PROPERTY(QDeclarativeListProperty<TestType> data READ dataProperty)
    Q_PROPERTY(int intProperty READ intProperty)

public:
    TestType() : property(this, data) {}
    QDeclarativeListProperty<TestType> dataProperty() { return property; }
    int intProperty() const { return 10; }

    QList<TestType *> data;
    QDeclarativeListProperty<TestType> property;
};

void tst_qdeclarativelistreference::initTestCase()
{
    qmlRegisterType<TestType>();
}

void tst_qdeclarativelistreference::qmllistreference()
{
    TestType tt;

    QDeclarativeListReference r(&tt, "data");
    QVERIFY(r.isValid() == true);
    QCOMPARE(r.count(), 0);

    tt.data.append(&tt);
    QCOMPARE(r.count(), 1);
}

void tst_qdeclarativelistreference::qmllistreference_invalid()
{
    TestType tt;

    // Invalid
    {
    QDeclarativeListReference r;
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    }

    // Non-property
    {
    QDeclarativeListReference r(&tt, "blah");
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    }

    // Non-list property
    {
    QDeclarativeListReference r(&tt, "intProperty");
    QVERIFY(r.isValid() == false);
    QVERIFY(r.object() == 0);
    QVERIFY(r.listElementType() == 0);
    QVERIFY(r.canAt() == false);
    QVERIFY(r.canClear() == false);
    QVERIFY(r.canCount() == false);
    QVERIFY(r.append(0) == false);
    QVERIFY(r.at(10) == 0);
    QVERIFY(r.clear() == false);
    QVERIFY(r.count() == 0);
    }
}

void tst_qdeclarativelistreference::isValid()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.isValid() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.isValid() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.isValid() == true);
    delete tt;
    QVERIFY(ref.isValid() == false);
    }
}

void tst_qdeclarativelistreference::object()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.object() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.object() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.object() == tt);
    delete tt;
    QVERIFY(ref.object() == 0);
    }
}

void tst_qdeclarativelistreference::listElementType()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.listElementType() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.listElementType() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.listElementType() == &TestType::staticMetaObject);
    delete tt;
    QVERIFY(ref.listElementType() == 0);
    }
}

void tst_qdeclarativelistreference::canAppend()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.canAppend() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.canAppend() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.canAppend() == true);
    delete tt;
    QVERIFY(ref.canAppend() == false);
    }

    {
    TestType tt;
    tt.property.append = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.canAppend() == false);
    }
}

void tst_qdeclarativelistreference::canAt()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.canAt() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.canAt() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.canAt() == true);
    delete tt;
    QVERIFY(ref.canAt() == false);
    }

    {
    TestType tt;
    tt.property.at = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.canAt() == false);
    }
}

void tst_qdeclarativelistreference::canClear()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.canClear() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.canClear() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.canClear() == true);
    delete tt;
    QVERIFY(ref.canClear() == false);
    }

    {
    TestType tt;
    tt.property.clear = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.canClear() == false);
    }
}

void tst_qdeclarativelistreference::canCount()
{
    TestType *tt = new TestType;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.canCount() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.canCount() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.canCount() == true);
    delete tt;
    QVERIFY(ref.canCount() == false);
    }

    {
    TestType tt;
    tt.property.count = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.canCount() == false);
    }
}

void tst_qdeclarativelistreference::append()
{
    TestType *tt = new TestType;
    QObject object;

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.append(tt) == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.append(tt) == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.append(tt) == true);
    QVERIFY(tt->data.count() == 1);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(ref.append(&object) == false);
    QVERIFY(tt->data.count() == 1);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(ref.append(0) == true);
    QVERIFY(tt->data.count() == 2);
    QVERIFY(tt->data.at(0) == tt);
    QVERIFY(tt->data.at(1) == 0);
    delete tt;
    QVERIFY(ref.append(0) == false);
    }

    {
    TestType tt;
    tt.property.append = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.append(&tt) == false);
    }
}

void tst_qdeclarativelistreference::at()
{
    TestType *tt = new TestType;
    tt->data.append(tt);
    tt->data.append(0);
    tt->data.append(tt);

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.at(0) == 0);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.at(0) == 0);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.at(0) == tt);
    QVERIFY(ref.at(1) == 0);
    QVERIFY(ref.at(2) == tt);
    delete tt;
    QVERIFY(ref.at(0) == 0);
    }

    {
    TestType tt;
    tt.data.append(&tt);
    tt.property.at = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.at(0) == 0);
    }
}

void tst_qdeclarativelistreference::clear()
{
    TestType *tt = new TestType;
    tt->data.append(tt);
    tt->data.append(0);
    tt->data.append(tt);

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.clear() == false);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.clear() == false);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.clear() == true);
    QVERIFY(tt->data.count() == 0);
    delete tt;
    QVERIFY(ref.clear() == false);
    }

    {
    TestType tt;
    tt.property.clear = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.clear() == false);
    }
}

void tst_qdeclarativelistreference::count()
{
    TestType *tt = new TestType;
    tt->data.append(tt);
    tt->data.append(0);
    tt->data.append(tt);

    {
    QDeclarativeListReference ref;
    QVERIFY(ref.count() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "blah");
    QVERIFY(ref.count() == 0);
    }

    {
    QDeclarativeListReference ref(tt, "data");
    QVERIFY(ref.count() == 3);
    tt->data.removeAt(1);
    QVERIFY(ref.count() == 2);
    delete tt;
    QVERIFY(ref.count() == 0);
    }

    {
    TestType tt;
    tt.data.append(&tt);
    tt.property.count = 0;
    QDeclarativeListReference ref(&tt, "data");
    QVERIFY(ref.count() == 0);
    }
}

void tst_qdeclarativelistreference::copy()
{
    TestType tt;
    tt.data.append(&tt);
    tt.data.append(0);
    tt.data.append(&tt);

    QDeclarativeListReference *r1 = new QDeclarativeListReference(&tt, "data");
    QVERIFY(r1->count() == 3);

    QDeclarativeListReference r2(*r1);
    QDeclarativeListReference r3;
    r3 = *r1;

    QVERIFY(r2.count() == 3);
    QVERIFY(r3.count() == 3);

    delete r1;

    QVERIFY(r2.count() == 3);
    QVERIFY(r3.count() == 3);

    tt.data.removeAt(2);

    QVERIFY(r2.count() == 2);
    QVERIFY(r3.count() == 2);
}

void tst_qdeclarativelistreference::qmlmetaproperty()
{
    TestType tt;
    tt.data.append(&tt);
    tt.data.append(0);
    tt.data.append(&tt);

    QDeclarativeProperty prop(&tt, QLatin1String("data"));
    QVariant v = prop.read();
    QVERIFY(v.userType() == qMetaTypeId<QDeclarativeListReference>());
    QDeclarativeListReference ref = qvariant_cast<QDeclarativeListReference>(v);
    QVERIFY(ref.count() == 3);
    QVERIFY(ref.listElementType() == &TestType::staticMetaObject);
}

void tst_qdeclarativelistreference::engineTypes()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine, TEST_FILE("engineTypes.qml"));

    QObject *o = component.create();
    QVERIFY(o);

    QDeclarativeProperty p1(o, QLatin1String("myList"));
    QVERIFY(p1.propertyTypeCategory() == QDeclarativeProperty::Normal);

    QDeclarativeProperty p2(o, QLatin1String("myList"), engine.rootContext());
    QVERIFY(p2.propertyTypeCategory() == QDeclarativeProperty::List);
    QVariant v = p2.read();
    QVERIFY(v.userType() == qMetaTypeId<QDeclarativeListReference>());
    QDeclarativeListReference ref = qvariant_cast<QDeclarativeListReference>(v);
    QVERIFY(ref.count() == 2);
    QVERIFY(ref.listElementType());
    QVERIFY(ref.listElementType() != &QObject::staticMetaObject);

    delete o;
}

void tst_qdeclarativelistreference::variantToList()
{
    QDeclarativeEngine engine;
    QDeclarativeComponent component(&engine, TEST_FILE("variantToList.qml"));

    QObject *o = component.create();
    QVERIFY(o);

    QVERIFY(o->property("value").userType() == qMetaTypeId<QDeclarativeListReference>());
    QCOMPARE(o->property("test").toInt(), 1);

    delete o;
}

QTEST_MAIN(tst_qdeclarativelistreference)

#include "tst_qdeclarativelistreference.moc"
