qtdeclarative/tests/auto/qml/qqmlcpputils/tst_qqmlcpputils.cpp

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#include <qtest.h>
#include <qsignalspy.h>
#include <private/qqmlglobal_p.h>

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

private slots:
    void fastConnect();
};

class MyObject : public QObject {
    Q_OBJECT
public:
    MyObject() : slotCount(0) {}
    friend class tst_qqmlcpputils;

    int slotCount;

signals:
    void signal1();
    void signal2();

public slots:
    void slot1() { slotCount++; }
};

void tst_qqmlcpputils::fastConnect()
{
    {
        MyObject *obj = new MyObject;
        qmlobject_connect(obj, MyObject, SIGNAL(signal1()), obj, MyObject, SLOT(slot1()));

        obj->signal1();
        QCOMPARE(obj->slotCount, 1);

        delete obj;
    }

    {
        MyObject obj;
        qmlobject_connect(&obj, MyObject, SIGNAL(signal1()), &obj, MyObject, SLOT(slot1()))

        obj.signal1();
        QCOMPARE(obj.slotCount, 1);
    }

    {
        MyObject *obj = new MyObject;
        QSignalSpy spy(obj, SIGNAL(signal2()));
        qmlobject_connect(obj, MyObject, SIGNAL(signal1()), obj, MyObject, SIGNAL(signal2()));

        obj->signal1();
        QCOMPARE(spy.count(), 1);

        delete obj;
    }
}

QTEST_MAIN(tst_qqmlcpputils)

#include "tst_qqmlcpputils.moc"