commit e41eddbbe447a03cb095de51c5fe0b8b0fcf1f57
Author: David Edmundson <kde@davidedmundson.co.uk>
Date:   Sat Apr 11 16:27:19 2020 +0100

    asdf

diff --git a/autotests/client/test_wayland_blur.cpp b/autotests/client/test_wayland_blur.cpp
index f6cd202..dd2d5d4 100644
--- a/autotests/client/test_wayland_blur.cpp
+++ b/autotests/client/test_wayland_blur.cpp
@@ -31,6 +31,7 @@ private Q_SLOTS:
 
     void testCreate();
     void testSurfaceDestroy();
+    void testGlobalDestroy();
 
 private:
     KWayland::Server::Display *m_display;
@@ -157,6 +158,7 @@ void TestBlur::testCreate()
     QVERIFY(blurChanged.wait());
     QCOMPARE(serverSurface->blur()->region(), QRegion(0, 0, 10, 20));
 
+
     // and destroy
     QSignalSpy destroyedSpy(serverSurface->blur().data(), &QObject::destroyed);
     QVERIFY(destroyedSpy.isValid());
@@ -197,5 +199,27 @@ void TestBlur::testSurfaceDestroy()
     QVERIFY(blurDestroyedSpy.wait());
 }
 
+void TestBlur::testGlobalDestroy()
+{
+    QSignalSpy serverSurfaceCreated(m_compositorInterface, &KWayland::Server::CompositorInterface::surfaceCreated);
+    QScopedPointer<KWayland::Client::Surface> surface(m_compositor->createSurface());
+    QVERIFY(serverSurfaceCreated.wait());
+
+    auto serverSurface = serverSurfaceCreated.first().first().value<KWayland::Server::SurfaceInterface*>();
+    QSignalSpy blurChanged(serverSurface, &KWayland::Server::SurfaceInterface::blurChanged);
+
+    delete m_blurManagerInterface;
+    m_blurManagerInterface = nullptr;
+
+    //this will be an sync operation, we've deleted our global, but the clients have some operations in flight as they haven't processed this yet
+
+    QScopedPointer<KWayland::Client::Blur> blur(m_blurManager->createBlur(surface.data()));
+    blur->setRegion(m_compositor->createRegion(QRegion(0, 0, 10, 20), nullptr));
+    blur->commit();
+    surface->commit(KWayland::Client::Surface::CommitFlag::None);
+
+    blurChanged.wait(10);
+}
+
 QTEST_GUILESS_MAIN(TestBlur)
 #include "test_wayland_blur.moc"