diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 8cb5730..1b59f44 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -5,15 +5,3 @@ repos:
       - id: check-yaml
       - id: end-of-file-fixer
       - id: trailing-whitespace
-  - repo: local
-    hooks:
-      - id: format
-        name: format
-        entry: rye fmt
-        language: system
-        types: [python]
-      - id: lint
-        name: lint
-        entry: rye lint
-        language: system
-        types: [python]
diff --git a/tests/test_grid.py b/tests/test_grid.py
index 85f6b07..5b0e410 100644
--- a/tests/test_grid.py
+++ b/tests/test_grid.py
@@ -66,6 +66,12 @@ def test_concrete_case(self):
             (10000, 2, 8, 1, 1000, 1000, const.EUCLIDEAN_DISTANCE),
             (10000, 2, 8, 1, 1500, 2000, const.EUCLIDEAN_DISTANCE),
             (50000, 2, 8, 1, 1000, 1000, const.EUCLIDEAN_DISTANCE),
+            # other metrics + change order between r0 and r1
+            (10, 2, 2, 1, 100, 100, const.CHEBYSHEV_DISTANCE),
+            (10, 8, 2, 1, 100, 100, const.MANHATTAN_DISTANCE),
+            # map corner cases: 1x1 map, "line" map
+            (100000, 1, 1, 1, 1, 1, const.EUCLIDEAN_DISTANCE),
+            (10000, 10, 1, 1, 1000, 1, const.EUCLIDEAN_DISTANCE),
         ],
     )
     def test_primitive_func(self, N, R0, R1, RADIUS, WIDTH, HEIGHT, distance_type):
diff --git a/tests/test_move.py b/tests/test_move.py
index f6e84c4..5c32fc0 100644
--- a/tests/test_move.py
+++ b/tests/test_move.py
@@ -31,6 +31,11 @@ def move_line(
             (42, 17, 15),
             (59, 10, 45),
             (1, 2, 10),
+            # some corner cases
+            (1, 1, 100000),
+            (0, 0, 1),
+            (-100, -100, -1),
+            (10, 50, 0),
         ],
     )
     def test_move_radius(self, x: int, y: int, move_radius: int):