From 078584f79a5f0893d55c893bede61f91b5ccb392 Mon Sep 17 00:00:00 2001
From: Aaron Kennedy <aaron.kennedy@nokia.com>
Date: Wed, 14 Apr 2010 12:59:55 +1000
Subject: Don't warn on signals emitted after the context has been destroyed

QTBUG-9792
---
 src/declarative/qml/qdeclarativeboundsignal.cpp    |  2 +-
 .../tst_qdeclarativeecmascript.cpp                 | 27 ++++++++++++++++++++++
 2 files changed, 28 insertions(+), 1 deletion(-)

diff --git a/src/declarative/qml/qdeclarativeboundsignal.cpp b/src/declarative/qml/qdeclarativeboundsignal.cpp
index 762c6428..8c7a977 100644
--- a/src/declarative/qml/qdeclarativeboundsignal.cpp
+++ b/src/declarative/qml/qdeclarativeboundsignal.cpp
@@ -176,7 +176,7 @@ int QDeclarativeBoundSignal::qt_metacall(QMetaObject::Call c, int id, void **a)
         }
 
         if (m_params) m_params->setValues(a);
-        if (m_expression) {
+        if (m_expression && m_expression->engine()) {
             QDeclarativeExpressionPrivate::get(m_expression)->value(m_params);
             if (m_expression && m_expression->hasError())
                 qWarning().nospace() << qPrintable(m_expression->error().toString());
diff --git a/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp b/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp
index c9fb116..c648de4 100644
--- a/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp
+++ b/tests/auto/declarative/qdeclarativeecmascript/tst_qdeclarativeecmascript.cpp
@@ -141,6 +141,7 @@ private slots:
     void deletedEngine();
     void libraryScriptAssert();
     void variantsAssignedUndefined();
+    void qtbug_9792();
 
     void callQtInvokables();
 private:
@@ -2211,6 +2212,32 @@ void tst_qdeclarativeecmascript::variantsAssignedUndefined()
     delete object;
 }
 
+void tst_qdeclarativeecmascript::qtbug_9792()
+{
+    QDeclarativeComponent component(&engine, TEST_FILE("qtbug_9792.qml"));
+
+    QDeclarativeContext *context = new QDeclarativeContext(engine.rootContext());
+
+    MyQmlObject *object = qobject_cast<MyQmlObject*>(component.create(context));
+    QVERIFY(object != 0);
+
+    QTest::ignoreMessage(QtDebugMsg, "Hello world!");
+    object->basicSignal();
+
+    delete context;
+
+    transientErrorsMsgCount = 0;
+    QtMsgHandler old = qInstallMsgHandler(transientErrorsMsgHandler);
+
+    object->basicSignal();
+    
+    qInstallMsgHandler(old);
+
+    QCOMPARE(transientErrorsMsgCount, 0);
+
+    delete object;
+}
+
 QTEST_MAIN(tst_qdeclarativeecmascript)
 
 #include "tst_qdeclarativeecmascript.moc"
-- 
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