Add a ParentProperty classinfo and use that to find parents

This is more robust than just going by the "parent" name.

Task-number: QTBUG-93662
Change-Id: If099733de6ad0f3bb7cb75b8915789f66b554f85
Reviewed-by: Andrei Golubev <andrei.golubev@qt.io>
Reviewed-by: Shawn Rutledge <shawn.rutledge@qt.io>
Reviewed-by: Fabian Kosmale <fabian.kosmale@qt.io>

2 files changed, 21 insertions, 0 deletions

diff --git a/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.cpp b/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.cpp
index 8f7e0efb40..c23cc19364 100644
--- a/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.cpp
+++ b/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.cpp
@@ -218,4 +218,9 @@ void tst_qmltyperegistrar::finalProperty()
     QCOMPARE(qmltypesData.count("Property { name: \"fff\"; type: \"int\"; isFinal: true }"), 1);
 }
 
+void tst_qmltyperegistrar::parentProperty()
+{
+    QCOMPARE(qmltypesData.count("parentProperty: \"ppp\""), 1);
+}
+
 QTEST_MAIN(tst_qmltyperegistrar)
diff --git a/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.h b/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.h
index 94b4d3b3a2..77243b3f82 100644
--- a/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.h
+++ b/tests/auto/qml/qmltyperegistrar/tst_qmltyperegistrar.h
@@ -290,6 +290,21 @@ struct SelfExtensionHack
     QML_VALUE_TYPE(recterei)
 };
 
+class ParentProperty : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(QObject *ppp READ ppp BINDABLE pppBindable)
+    QML_ELEMENT
+    Q_CLASSINFO("ParentProperty", "ppp")
+public:
+
+    QObject *ppp() const { return m_parent.value(); }
+    QBindable<QObject *> pppBindable() { return QBindable<QObject *>(&m_parent); }
+
+private:
+    QProperty<QObject *> m_parent;
+};
+
 class tst_qmltyperegistrar : public QObject
 {
     Q_OBJECT
@@ -315,6 +330,7 @@ private slots:
     void requiredProperty();
     void hiddenAccessor();
     void finalProperty();
+    void parentProperty();
 
 private:
     QByteArray qmltypesData;