diff --git a/lib/bsp_loader/src/brush.rs b/lib/bsp_loader/src/brush.rs
index faa7698..56c1171 100644
--- a/lib/bsp_loader/src/brush.rs
+++ b/lib/bsp_loader/src/brush.rs
@@ -282,6 +282,7 @@ mod test{
 			Face{normal:integer::vec3::NEG_Z,dot:Planar64::ONE},
 		].into_iter().collect();
 		let faces=planes_to_faces(face_list).unwrap();
+		assert_eq!(faces.faces.len(),6);
 		dbg!(faces);
 	}
 	#[test]
@@ -296,6 +297,7 @@ mod test{
 			Face{normal:integer::vec3::NEG_Z,dot:Planar64::EPSILON},
 		].into_iter().collect();
 		let faces=planes_to_faces(face_list).unwrap();
+		assert_eq!(faces.faces.len(),6);
 		dbg!(faces);
 	}
 }