Allow object to be accessed by multiple QDeclarativeEngines

Task-number: QTBUG-18610

Change-Id: Idd9444018b5344586d6579ddac6a0ffd26bf7139
Reviewed-on: http://codereview.qt.nokia.com/2075
Reviewed-by: Qt Sanity Bot <qt_sanity_bot@ovi.com>
Reviewed-by: Aaron Kennedy <aaron.kennedy@nokia.com>

1 files changed, 37 insertions, 0 deletions

diff --git a/tests/auto/declarative/qdeclarativeengine/tst_qdeclarativeengine.cpp b/tests/auto/declarative/qdeclarativeengine/tst_qdeclarativeengine.cpp
index 17249abbed..e9bd735dbd 100644
--- a/tests/auto/declarative/qdeclarativeengine/tst_qdeclarativeengine.cpp
+++ b/tests/auto/declarative/qdeclarativeengine/tst_qdeclarativeengine.cpp
@@ -49,6 +49,7 @@
 #include <QDebug>
 #include <QDeclarativeComponent>
 #include <QDeclarativeNetworkAccessManagerFactory>
+#include <QDeclarativeExpression>
 
 #ifdef Q_OS_SYMBIAN
 // In Symbian OS test data is located in applications private dir
@@ -70,6 +71,7 @@ private slots:
     void clearComponentCache();
     void outputWarningsToStandardError();
     void objectOwnership();
+    void multipleEngines();
 };
 
 void tst_qdeclarativeengine::rootContext()
@@ -328,6 +330,41 @@ void tst_qdeclarativeengine::objectOwnership()
 
 }
 
+// Test an object can be accessed by multiple engines
+void tst_qdeclarativeengine::multipleEngines()
+{
+    QObject o;
+    o.setObjectName("TestName");
+
+    // Simultaneous engines
+    {
+        QDeclarativeEngine engine1;
+        QDeclarativeEngine engine2;
+        engine1.rootContext()->setContextProperty("object", &o);
+        engine2.rootContext()->setContextProperty("object", &o);
+
+        QDeclarativeExpression expr1(engine1.rootContext(), 0, QString("object.objectName"));
+        QDeclarativeExpression expr2(engine2.rootContext(), 0, QString("object.objectName"));
+
+        QCOMPARE(expr1.evaluate().toString(), QString("TestName"));
+        QCOMPARE(expr2.evaluate().toString(), QString("TestName"));
+    }
+
+    // Serial engines
+    {
+        QDeclarativeEngine engine1;
+        engine1.rootContext()->setContextProperty("object", &o);
+        QDeclarativeExpression expr1(engine1.rootContext(), 0, QString("object.objectName"));
+        QCOMPARE(expr1.evaluate().toString(), QString("TestName"));
+    }
+    {
+        QDeclarativeEngine engine1;
+        engine1.rootContext()->setContextProperty("object", &o);
+        QDeclarativeExpression expr1(engine1.rootContext(), 0, QString("object.objectName"));
+        QCOMPARE(expr1.evaluate().toString(), QString("TestName"));
+    }
+}
+
 QTEST_MAIN(tst_qdeclarativeengine)
 
 #include "tst_qdeclarativeengine.moc"