1 files changed, 38 insertions, 0 deletions
diff --git a/tests/auto/qml/qqmlstatemachinemetatype/tst_qqmlstatemachinemetatype.cpp b/tests/auto/qml/qqmlstatemachinemetatype/tst_qqmlstatemachinemetatype.cpp
new file mode 100644
index 0000000..90ff581
--- /dev/null
+++ b/tests/auto/qml/qqmlstatemachinemetatype/tst_qqmlstatemachinemetatype.cpp
@@ -0,0 +1,38 @@
+// Copyright (C) 2020 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include "../../shared/util.h"
+
+#include <qtest.h>
+#include <qqmlengine.h>
+#include <qqmlcomponent.h>
+
+#include <private/qqmlmetatype_p.h>
+#include <private/qqmlengine_p.h>
+
+class tst_qqmlstatemachinemetatype : public QQmlDataTest
+{
+    Q_OBJECT
+
+private slots:
+    void unregisterAttachedProperties()
+    {
+        qmlClearTypeRegistrations();
+
+        QQmlEngine e;
+        QQmlComponent c(&e, testFileUrl("unregisterAttachedProperties.qml"));
+        QVERIFY2(c.isReady(), qPrintable(c.errorString()));
+
+        const QQmlType attachedType = QQmlMetaType::qmlType("QtQuick/KeyNavigation",
+                                                            QTypeRevision::fromVersion(2, 2));
+        QCOMPARE(attachedType.attachedPropertiesType(QQmlEnginePrivate::get(&e)),
+                 attachedType.metaObject());
+
+        QScopedPointer<QObject> obj(c.create());
+        QVERIFY(obj);
+    }
+};
+
+QTEST_MAIN(tst_qqmlstatemachinemetatype)
+
+#include "tst_qqmlstatemachinemetatype.moc"