Reverse lookup ids by object pointer

Task-number: QTBUG-18554

Change-Id: Ia4effb629d19aa36b835f6c09a63d9495e5c26e7
Reviewed-on: http://codereview.qt.nokia.com/2079
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativecontext/tst_qdeclarativecontext.cpp b/tests/auto/declarative/qdeclarativecontext/tst_qdeclarativecontext.cpp
index fdb8ff7dc2..89d08e01df 100644
--- a/tests/auto/declarative/qdeclarativecontext/tst_qdeclarativecontext.cpp
+++ b/tests/auto/declarative/qdeclarativecontext/tst_qdeclarativecontext.cpp
@@ -67,6 +67,7 @@ private slots:
     void destruction();
     void idAsContextProperty();
     void readOnlyContexts();
+    void nameForObject();
 
 private:
     QDeclarativeEngine engine;
@@ -463,6 +464,37 @@ void tst_qdeclarativecontext::readOnlyContexts()
     delete obj;
 }
 
+void tst_qdeclarativecontext::nameForObject()
+{
+    QObject o1;
+    QObject o2;
+    QObject o3;
+
+    QDeclarativeEngine engine;
+
+    // As a context property
+    engine.rootContext()->setContextProperty("o1", &o1);
+    engine.rootContext()->setContextProperty("o2", &o2);
+    engine.rootContext()->setContextProperty("o1_2", &o1);
+
+    QCOMPARE(engine.rootContext()->nameForObject(&o1), QString("o1"));
+    QCOMPARE(engine.rootContext()->nameForObject(&o2), QString("o2"));
+    QCOMPARE(engine.rootContext()->nameForObject(&o3), QString());
+
+    // As an id
+    QDeclarativeComponent component(&engine);
+    component.setData("import QtQuick 1.0; QtObject { id: root; property QtObject o: QtObject { id: nested } }", QUrl());
+
+    QObject *o = component.create();
+    QVERIFY(o != 0);
+
+    QCOMPARE(qmlContext(o)->nameForObject(o), QString("root"));
+    QCOMPARE(qmlContext(o)->nameForObject(qvariant_cast<QObject*>(o->property("o"))), QString("nested"));
+    QCOMPARE(qmlContext(o)->nameForObject(&o1), QString());
+
+    delete o;
+}
+
 QTEST_MAIN(tst_qdeclarativecontext)
 
 #include "tst_qdeclarativecontext.moc"