Enum To QString Conversion

[yagabey]

Hello,
I am trying to get text representation of SocketState enum.

In the header of my class i registered the enum:

class QSound;
class SoundNode : public QObject
{
    Q_OBJECT
public:
    Q_ENUMS(QAbstractSocket::SocketState);

class QSound;
class SoundNode : public QObject
{
    Q_OBJECT
public:
    Q_ENUMS(QAbstractSocket::SocketState);

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In the source:

QMetaObject metaObject ;
    metaObject= QAbstractSocket::staticMetaObject;
    QMetaEnum metaEnum = metaObject.enumerator(metaObject.indexOfEnumerator("SocketState" ) );
    QString test(metaEnum.valueToKey(QAbstractSocket::ConnectionRefusedError));
    qDebug()<<test;

QMetaObject metaObject ;
    metaObject= QAbstractSocket::staticMetaObject;
    QMetaEnum metaEnum = metaObject.enumerator(metaObject.indexOfEnumerator("SocketState" ) );
    QString test(metaEnum.valueToKey(QAbstractSocket::ConnectionRefusedError));
    qDebug()<<test;

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Here qDebug returns an empty string instead of "ConnectionRefusedError". What is going wrong here, any idea?

Thanks in advance..