diff --git a/test/agents/test_heuristic.py b/test/agents/test_heuristic.py
index 3f4aa7a..8959cd6 100644
--- a/test/agents/test_heuristic.py
+++ b/test/agents/test_heuristic.py
@@ -1,5 +1,5 @@
 from src.game.board import Board
-from src.agents.heuristic import aggregate_heights, max_height
+from src.agents.heuristic import aggregate_heights, max_height, find_holes
 
 
 def test_heuristic_height_aggregate_empty_board():
@@ -199,3 +199,61 @@ def test_max_height_takes_highest():
     assert (
         max_height(board) == 20
     ), "Expected max height of 20 for a single column with height 20"
+
+
+def test_no_holes():
+    board = Board()
+    board.board = [
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+    ]
+    assert (
+        find_holes(board) == 0
+    ), "Expected 0 holes"
+
+
+def test_no_holes():
+    board = Board()
+    board.board = [
+        [0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 1, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 1, 1, 0, 0, 0],
+        [0, 0, 0, 0, 0, 1, 0, 0, 1, 1],
+        [0, 0, 0, 0, 0, 1, 1, 1, 0, 1],
+        [0, 0, 0, 1, 1, 1, 0, 0, 0, 0],
+        [0, 0, 0, 0, 0, 1, 0, 0, 0, 1],
+    ]
+    assert (
+        find_holes(board) == 24
+    ), "Expected 24 holes"
\ No newline at end of file