diff --git a/testdata/drc/drcGenericTests_9.drc b/testdata/drc/drcGenericTests_9.drc
index 85f820418..78dd5cb5c 100644
--- a/testdata/drc/drcGenericTests_9.drc
+++ b/testdata/drc/drcGenericTests_9.drc
@@ -33,3 +33,11 @@ l1.drc(primary.edges & secondary(l2)).output(121, 0)
 l1.drc(primary.edges - (primary & secondary(l2)).edges).output(130, 0)
 l1.drc(primary.edges & (primary & secondary(l2)).edges).output(131, 0)
 
+# start_segments
+l1.drc(primary.edges.start_segments(1.0)).output(140, 0)
+l1.drc(primary.edges.start_segments(0.0, 0.5)).output(141, 0)
+l1.drc(primary.edges.end_segments(1.0)).output(142, 0)
+l1.drc(primary.edges.end_segments(1.0, 0.5)).output(143, 0)
+l1.drc(primary.edges.centers(1.0)).output(144, 0)
+l1.drc(primary.edges.centers(1.0, 0.5)).output(145, 0)
+
diff --git a/testdata/drc/drcGenericTests_au9.gds b/testdata/drc/drcGenericTests_au9.gds
index fd69a1bc8..f3ee703d2 100644
Binary files a/testdata/drc/drcGenericTests_au9.gds and b/testdata/drc/drcGenericTests_au9.gds differ
diff --git a/testdata/drc/drcGenericTests_au9d.gds b/testdata/drc/drcGenericTests_au9d.gds
index 6c5468b4c..0c417e794 100644
Binary files a/testdata/drc/drcGenericTests_au9d.gds and b/testdata/drc/drcGenericTests_au9d.gds differ