diff --git a/tests/single_layer.rs b/tests/single_layer.rs
index f4101b4..dc290de 100644
--- a/tests/single_layer.rs
+++ b/tests/single_layer.rs
@@ -14,6 +14,21 @@ use topola::{
 
 mod common;
 
+#[test]
+fn test_tht_de9_to_tht_de9() {
+    let autorouter =
+        common::load_design("tests/single_layer/tht_de9_to_tht_de9/tht_de9_to_tht_de9.dsn");
+    let mut invoker = common::create_invoker_and_assert(autorouter);
+    common::replay_and_assert(
+        &mut invoker,
+        "tests/single_layer/tht_de9_to_tht_de9/autoroute_all_in_an_order.cmd",
+    );
+
+    let (mut autorouter, ..) = invoker.dissolve();
+
+    common::assert_single_layer_groundless_autoroute(&mut autorouter, "F.Cu");
+}
+
 #[test]
 fn test_0603_breakout() {
     let mut autorouter = common::load_design("tests/single_layer/0603_breakout/0603_breakout.dsn");
diff --git a/tests/single_layer/tht_de9_to_tht_de9/autoroute_all_in_an_order.cmd b/tests/single_layer/tht_de9_to_tht_de9/autoroute_all_in_an_order.cmd
new file mode 100644
index 0000000..d926434
--- /dev/null
+++ b/tests/single_layer/tht_de9_to_tht_de9/autoroute_all_in_an_order.cmd
@@ -0,0 +1,203 @@
+{
+  "done": [
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-3",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-3",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-2",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-2",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-4",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-4",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-7",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-7",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-8",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-8",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-6",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-6",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-9",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-9",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-5",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-5",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    },
+    {
+      "Autoroute": [
+        [
+          {
+            "pin": "J1-1",
+            "layer": "F.Cu"
+          },
+          {
+            "pin": "J2-1",
+            "layer": "F.Cu"
+          }
+        ],
+        {
+          "presort_by_pairwise_detours": false,
+          "router_options": {
+            "routed_band_width": 100.0,
+            "wrap_around_bands": true,
+            "squeeze_through_under_bends": true
+          }
+        }
+      ]
+    }
+  ],
+  "undone": []
+}
\ No newline at end of file