1 files changed, 48 insertions, 0 deletions
diff --git a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
index eb462979ed..21efb0336d 100644
--- a/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
+++ b/tests/auto/qml/qqmllanguage/tst_qqmllanguage.cpp
@@ -252,6 +252,7 @@ private slots:
 
     void rootObjectInCreationNotForSubObjects();
     void lazyDeferredSubObject();
+    void deferredProperties();
 
     void noChildEvents();
 
@@ -4354,6 +4355,53 @@ void tst_qqmllanguage::lazyDeferredSubObject()
     QCOMPARE(subObject->objectName(), QStringLiteral("custom"));
 }
 
+// QTBUG-63200
+void tst_qqmllanguage::deferredProperties()
+{
+    QQmlComponent component(&engine, testFile("deferredProperties.qml"));
+    VERIFY_ERRORS(0);
+    QScopedPointer<QObject> object(component.create());
+    QVERIFY(!object.isNull());
+
+    QObject *innerObj = object->findChild<QObject *>(QStringLiteral("innerobj"));
+    QVERIFY(!innerObj);
+
+    QObject *outerObj = object->findChild<QObject *>(QStringLiteral("outerobj"));
+    QVERIFY(!outerObj);
+
+    QObject *groupProperty = object->property("groupProperty").value<QObject *>();
+    QVERIFY(!groupProperty);
+
+    QQmlListProperty<QObject> listProperty = object->property("listProperty").value<QQmlListProperty<QObject>>();
+    QCOMPARE(listProperty.count(&listProperty), 0);
+
+    qmlExecuteDeferred(object.data());
+
+    innerObj = object->findChild<QObject *>(QStringLiteral("innerobj")); // MyDeferredListProperty.qml
+    QVERIFY(innerObj);
+    QCOMPARE(innerObj->property("wasCompleted"), QVariant(true));
+
+    outerObj = object->findChild<QObject *>(QStringLiteral("outerobj")); // deferredListProperty.qml
+    QVERIFY(outerObj);
+    QCOMPARE(outerObj->property("wasCompleted"), QVariant(true));
+
+    groupProperty = object->property("groupProperty").value<QObject *>();
+    QCOMPARE(groupProperty, outerObj);
+
+    listProperty = object->property("listProperty").value<QQmlListProperty<QObject>>();
+    QCOMPARE(listProperty.count(&listProperty), 4);
+
+    QCOMPARE(listProperty.at(&listProperty, 0)->objectName(), QStringLiteral("innerlist1")); // MyDeferredListProperty.qml
+    QCOMPARE(listProperty.at(&listProperty, 0)->property("wasCompleted"), QVariant(true));
+    QCOMPARE(listProperty.at(&listProperty, 1)->objectName(), QStringLiteral("innerlist2")); // MyDeferredListProperty.qml
+    QCOMPARE(listProperty.at(&listProperty, 1)->property("wasCompleted"), QVariant(true));
+
+    QCOMPARE(listProperty.at(&listProperty, 2)->objectName(), QStringLiteral("outerlist1")); // deferredListProperty.qml
+    QCOMPARE(listProperty.at(&listProperty, 2)->property("wasCompleted"), QVariant(true));
+    QCOMPARE(listProperty.at(&listProperty, 3)->objectName(), QStringLiteral("outerlist2")); // deferredListProperty.qml
+    QCOMPARE(listProperty.at(&listProperty, 3)->property("wasCompleted"), QVariant(true));
+}
+
 void tst_qqmllanguage::noChildEvents()
 {
     QQmlComponent component(&engine);