diff --git a/agrf/lib/building/layout_test.py b/agrf/lib/building/layout_test.py
new file mode 100644
index 00000000..6937cc16
--- /dev/null
+++ b/agrf/lib/building/layout_test.py
@@ -0,0 +1,9 @@
+from agrf.lib.building.layout import ADefaultGroundSprite
+
+
+def test_default_groundsprite():
+    gs1012 = ADefaultGroundSprite(1012)
+
+    graphics = gs1012.graphics(4, 32).to_image()
+    assert graphics.shape == (127, 256, 4)
+    assert graphics[64, 128, 1] == 67