diff --git a/autotests/server/CMakeLists.txt b/autotests/server/CMakeLists.txt
--- a/autotests/server/CMakeLists.txt
+++ b/autotests/server/CMakeLists.txt
@@ -20,3 +20,21 @@
 target_link_libraries( testWaylandServerSeat Qt5::Test Qt5::Gui KF5::WaylandServer Wayland::Server)
 add_test(kwayland-testWaylandServerSeat testWaylandServerSeat)
 ecm_mark_as_test(testWaylandServerSeat)
+
+########################################################
+# QtSurfaceExtenstion Helper
+########################################################
+add_executable(surfaceExtensionHelper surfaceextension_helper.cpp)
+target_link_libraries( surfaceExtensionHelper Qt5::Gui)
+ecm_mark_as_test(surfaceExtensionHelper)
+
+########################################################
+# Test QtSurfaceExtenstion
+########################################################
+set( testQtSurfaceExtension_SRCS
+        test_qt_surface_extension.cpp
+    )
+add_executable(testQtSurfaceExtension ${testQtSurfaceExtension_SRCS})
+target_link_libraries( testQtSurfaceExtension Qt5::Test Qt5::Gui KF5::WaylandServer)
+add_test(kwayland-testQtSurfaceExtension testQtSurfaceExtension)
+ecm_mark_as_test(testQtSurfaceExtension)
diff --git a/autotests/server/surfaceextension_helper.cpp b/autotests/server/surfaceextension_helper.cpp
new file mode 100644
--- /dev/null
+++ b/autotests/server/surfaceextension_helper.cpp
@@ -0,0 +1,61 @@
+/********************************************************************
+Copyright 2016  Martin Gräßlin <mgraesslin@kde.org>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) version 3, or any
+later version accepted by the membership of KDE e.V. (or its
+successor approved by the membership of KDE e.V.), which shall
+act as a proxy defined in Section 6 of version 3 of the license.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+#include <QGuiApplication>
+#include <QPainter>
+#include <QRasterWindow>
+
+class Window : public QRasterWindow
+{
+    Q_OBJECT
+public:
+    explicit Window();
+    virtual ~Window();
+
+protected:
+    void paintEvent(QPaintEvent *event) override;
+};
+
+Window::Window()
+    : QRasterWindow()
+{
+    setGeometry(QRect(0, 0, 200, 200));
+}
+
+Window::~Window() = default;
+
+void Window::paintEvent(QPaintEvent *event)
+{
+    Q_UNUSED(event)
+    QPainter p(this);
+    p.fillRect(QRect(QPoint(0, 0), size()), Qt::black);
+}
+
+int main(int argc, char **argv)
+{
+    qputenv("QT_QPA_PLATFORM", QByteArrayLiteral("wayland"));
+    QGuiApplication app(argc, argv);
+
+    QScopedPointer<Window> w(new Window);
+    w->show();
+
+    return app.exec();
+}
+
+#include "surfaceextension_helper.moc"
diff --git a/autotests/server/test_qt_surface_extension.cpp b/autotests/server/test_qt_surface_extension.cpp
new file mode 100644
--- /dev/null
+++ b/autotests/server/test_qt_surface_extension.cpp
@@ -0,0 +1,97 @@
+/********************************************************************
+Copyright 2016  Martin Gräßlin <mgraesslin@kde.org>
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Lesser General Public
+License as published by the Free Software Foundation; either
+version 2.1 of the License, or (at your option) version 3, or any
+later version accepted by the membership of KDE e.V. (or its
+successor approved by the membership of KDE e.V.), which shall
+act as a proxy defined in Section 6 of version 3 of the license.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public
+License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+*********************************************************************/
+// Qt
+#include <QtTest/QtTest>
+#include <QProcess>
+// WaylandServer
+#include "../../src/server/compositor_interface.h"
+#include "../../src/server/display.h"
+#include "../../src/server/output_interface.h"
+#include "../../src/server/qtsurfaceextension_interface.h"
+#include "../../src/server/seat_interface.h"
+#include "../../src/server/shell_interface.h"
+
+using namespace KWayland::Server;
+
+
+class TestQtSurfaceExtension : public QObject
+{
+    Q_OBJECT
+private Q_SLOTS:
+    void testCloseWindow();
+};
+
+static const QString s_socketName = QStringLiteral("kwin-wayland-server-qt-surface-extension-0");
+
+void TestQtSurfaceExtension::testCloseWindow()
+{
+    // this test verifies that we can close windows through the Qt surface extension interface
+    // for this we start a dummy server, launch a QtWayland powered application, wait for the
+    // window it opens, close it and verify that the process terminates
+    Display display;
+    display.setSocketName(s_socketName);
+    display.start();
+    display.createShm();
+    SeatInterface *seat = display.createSeat();
+    seat->setHasKeyboard(true);
+    seat->setHasPointer(true);
+    seat->setHasTouch(true);
+    seat->create();
+    CompositorInterface *compositor = display.createCompositor();
+    compositor->create();
+    ShellInterface *shell = display.createShell();
+    shell->create();
+    OutputInterface *output = display.createOutput();
+    output->setManufacturer(QStringLiteral("org.kde"));
+    output->setModel(QStringLiteral("QtSurfaceExtensionTestCase"));
+    output->addMode(QSize(1280, 1024), OutputInterface::ModeFlag::Preferred | OutputInterface::ModeFlag::Current);
+    output->setPhysicalSize(QSize(1280, 1024) / 3.8);
+    output->create();
+    // surface extension
+    QtSurfaceExtensionInterface *surfaceExtension = display.createQtSurfaceExtension();
+    surfaceExtension->create();
+    // create a signalspy for surfaceCreated
+    QSignalSpy surfaceExtensionSpy(surfaceExtension, &QtSurfaceExtensionInterface::surfaceCreated);
+    QVERIFY(surfaceExtensionSpy.isValid());
+
+    // now start our application
+    QString binary = QFINDTESTDATA("surfaceExtensionHelper");
+    QVERIFY(!binary.isEmpty());
+
+    QProcess process;
+    QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
+    env.insert(QStringLiteral("WAYLAND_DISPLAY"), s_socketName);
+    process.setProcessEnvironment(env);
+    process.start(binary);
+    QVERIFY(surfaceExtensionSpy.wait());
+    QCOMPARE(surfaceExtensionSpy.count(), 1);
+    auto *extension = surfaceExtensionSpy.first().first().value<QtExtendedSurfaceInterface*>();
+    QVERIFY(extension);
+    QSignalSpy processStateChangedSpy(&process, &QProcess::stateChanged);
+    QVERIFY(processStateChangedSpy.isValid());
+    extension->close();
+    extension->client()->flush();
+
+    QVERIFY(processStateChangedSpy.wait());
+    QCOMPARE(process.exitStatus(), QProcess::NormalExit);
+}
+
+QTEST_GUILESS_MAIN(TestQtSurfaceExtension)
+#include "test_qt_surface_extension.moc"