Don't crash when requesting an attached object for non-QML object

1 files changed, 30 insertions, 0 deletions

diff --git a/tests/auto/declarative/qmllanguage/tst_qmllanguage.cpp b/tests/auto/declarative/qmllanguage/tst_qmllanguage.cpp
index 4bc02c0..5ef1a7d 100644
--- a/tests/auto/declarative/qmllanguage/tst_qmllanguage.cpp
+++ b/tests/auto/declarative/qmllanguage/tst_qmllanguage.cpp
@@ -74,6 +74,8 @@ private slots:
     void importsOrder_data();
     void importsOrder();
 
+    void qmlAttachedPropertiesObjectMethod();
+
     // regression tests for crashes
     void crash1();
 
@@ -1012,6 +1014,34 @@ void tst_qmllanguage::importsOrder()
     testType(qml,type);
 }
 
+void tst_qmllanguage::qmlAttachedPropertiesObjectMethod()
+{
+    QObject object;
+
+    QCOMPARE(qmlAttachedPropertiesObject<MyQmlObject>(&object, false), (QObject *)0);
+    QCOMPARE(qmlAttachedPropertiesObject<MyQmlObject>(&object, true), (QObject *)0);
+
+    {
+        QmlComponent component(&engine, TEST_FILE("qmlAttachedPropertiesObjectMethod.1.qml"));
+        VERIFY_ERRORS(0);
+        QObject *object = component.create();
+        QVERIFY(object != 0);
+
+        QCOMPARE(qmlAttachedPropertiesObject<MyQmlObject>(object, false), (QObject *)0);
+        QVERIFY(qmlAttachedPropertiesObject<MyQmlObject>(object, true) != 0);
+    }
+
+    {
+        QmlComponent component(&engine, TEST_FILE("qmlAttachedPropertiesObjectMethod.2.qml"));
+        VERIFY_ERRORS(0);
+        QObject *object = component.create();
+        QVERIFY(object != 0);
+
+        QVERIFY(qmlAttachedPropertiesObject<MyQmlObject>(object, false) != 0);
+        QVERIFY(qmlAttachedPropertiesObject<MyQmlObject>(object, true) != 0);
+    }
+}
+
 void tst_qmllanguage::crash1()
 {
     QmlComponent component(&engine, "Component {}");