Fix for QEventLoop autotest for Symbian

Test deliverInDefinedOrder_QTBUG19637 was skipped in Symbian to avoid
crashing. Test crashed because object events could not be processed
in time in slower Symbian devices.

Added waiting for all events to be processed before checking actual
event count.

Task-Number: QTBUG-23974
Change-Id: Idd79d4ec9fe21a4f03f2d9ba2e365abbbc45c9d8
Reviewed-by: Murray Read <[email protected]>
Reviewed-by: Juha Kukkonen <[email protected]>
Reviewed-by: Pasi Pentikäinen <[email protected]>

Author: Marko Kenttala

tests/auto/qeventloop/tst_qeventloop.cpp

@@ -878,15 +878,16 @@ namespace DeliverInDefinedOrder_QTBUG19637 {
         void moveToThread(QThread *t) {
             QObject::moveToThread(t);
         }
+        void processEvents() {
+            // Process all events for this thread
+            QCoreApplication::processEvents(QEventLoop::AllEvents, 30000);
+        }
     };
 
 }
 
 void tst_QEventLoop::deliverInDefinedOrder_QTBUG19637()
 {
-#ifdef Q_OS_SYMBIAN
-    QSKIP("Causes test suite to crash - see QTBUG-23974", SkipAll);
-#endif
     using namespace DeliverInDefinedOrder_QTBUG19637;
     qMetaTypeId<QThread*>();
     QThread threads[NbThread];
@@ -907,8 +908,10 @@ void tst_QEventLoop::deliverInDefinedOrder_QTBUG19637()
         }
     }
 
-    QTest::qWait(30);
     for (int o = 0; o < NbObject; o++) {
+        // Wait until all events processed
+        QMetaObject::invokeMethod(&objects[o], "processEvents", Qt::BlockingQueuedConnection);
+        // Test event count
         QTRY_COMPARE(objects[o].count, int(NbEvent));
     }