diff --git a/tests/lottery_predictor/test_draw.py b/tests/lottery_predictor/test_draw.py
new file mode 100644
index 0000000..1a7ae6d
--- /dev/null
+++ b/tests/lottery_predictor/test_draw.py
@@ -0,0 +1,10 @@
+import pytest
+
+import lottery_predictor.draw as draw
+
+
+def test_generate_random_ticket() -> None:
+    assert isinstance(draw.generate_random_ticket(max_main=69, max_game=26), tuple)
+    assert isinstance(draw.generate_random_ticket(max_main=70, max_game=24), tuple)
+    with pytest.raises(TypeError):
+        draw.generate_random_ticket()