1 files changed, 13 insertions, 0 deletions
diff --git a/tests/auto/qmltest/scene3d/tst_scene.qml b/tests/auto/qmltest/scene3d/tst_scene.qml
index 8d497b5c..d53042ca 100644
--- a/tests/auto/qmltest/scene3d/tst_scene.qml
+++ b/tests/auto/qmltest/scene3d/tst_scene.qml
@@ -46,6 +46,10 @@ Item {
         id: change
     }
 
+    Bars3D {
+        id: invalid
+    }
+
     TestCase {
         name: "Scene3D Initial"
 
@@ -109,4 +113,13 @@ Item {
             compare(change.scene.viewport, Qt.rect(0, 0, 100, 100))
         }
     }
+
+    TestCase {
+        name: "Scene3D Invalid"
+
+        function test_invalid() {
+            invalid.scene.primarySubViewport = Qt.rect(0, 0, -50, -50)
+            compare(invalid.scene.primarySubViewport, Qt.rect(0, 0, 0, 0))
+        }
+    }
 }