diff -r 4f2786c97bf4 -r 14fcccfb4c0c qt/qapplication/smoke_qapplication.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/qt/qapplication/smoke_qapplication.cpp	Mon Jun 14 12:26:38 2010 +0100
@@ -0,0 +1,153 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the test suite of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+
+//#define QT_TST_QAPP_DEBUG
+#include <qdebug.h>
+
+#include <QtTest/QtTest>
+
+#include "qabstracteventdispatcher.h"
+#include <QtGui>
+
+#include "private/qapplication_p.h"
+#include "private/qstylesheetstyle_p.h"
+#ifdef Q_OS_WINCE
+#include <windows.h>
+#endif
+#ifdef Q_OS_SYMBIAN
+#include <aknenv.h>
+#endif
+
+//TESTED_CLASS=
+//TESTED_FILES=
+
+#if defined(Q_OS_SYMBIAN)
+// In Symbian, the PluginsPath doesn't specify the only absolute path; just the dir that can be found on any drive
+/*static void addExpectedSymbianPluginsPath(QStringList& expected)
+{
+    QString installPathPlugins = QDir::fromNativeSeparators(QLibraryInfo::location(QLibraryInfo::PluginsPath));
+    QFileInfoList driveList = QDir::drives();
+    QListIterator<QFileInfo> iter(driveList);
+    while (iter.hasNext()) {
+        QFileInfo testFi(iter.next().canonicalPath().append(installPathPlugins));
+        if (testFi.exists())
+            expected << testFi.canonicalFilePath();
+    }
+}
+*/
+#endif
+
+class tst_QApplication : public QObject
+{
+Q_OBJECT
+
+public:
+    tst_QApplication();
+    virtual ~tst_QApplication();
+
+public slots:
+    void init();
+    void cleanup();
+private slots:
+    void setActiveWindow();
+};
+
+static  char *argv0;
+
+tst_QApplication::tst_QApplication()
+{
+#ifdef Q_OS_WINCE
+    // Clean up environment previously to launching test
+    qputenv("QT_PLUGIN_PATH", QByteArray());
+#endif
+}
+
+tst_QApplication::~tst_QApplication()
+{
+
+}
+
+void tst_QApplication::init()
+{
+// TODO: Add initialization code here.
+// This will be executed immediately before each test is run.
+}
+
+void tst_QApplication::cleanup()
+{
+// TODO: Add cleanup code here.
+// This will be executed immediately after each test is run.
+}
+
+void tst_QApplication::setActiveWindow()
+{
+    int argc = 0;
+    QApplication MyApp(argc, 0, QApplication::GuiServer);
+
+    QWidget* w = new QWidget;
+    QVBoxLayout* layout = new QVBoxLayout(w);
+
+    QLineEdit* pb1 = new QLineEdit("Testbutton1", w);
+    QLineEdit* pb2 = new QLineEdit("Test Line Edit", w);
+
+    layout->addWidget(pb1);
+    layout->addWidget(pb2);
+
+    pb2->setFocus();
+    pb2->setParent(0);
+    delete pb2;
+
+    w->show();
+    QApplication::setActiveWindow(w); // needs this on twm (focus follows mouse)
+    QVERIFY(pb1->hasFocus());
+    delete w;
+}
+
+//QTEST_APPLESS_MAIN(tst_QApplication)
+int main(int argc, char *argv[])
+{
+    tst_QApplication tc;
+    argv0 = argv[0];
+    return QTest::qExec(&tc, argc, argv);
+}
+
+#include "smoke_qapplication.moc"