diff --git a/tests/exchange/test_exchange.py b/tests/exchange/test_exchange.py
index cffeec5b3..e99121489 100644
--- a/tests/exchange/test_exchange.py
+++ b/tests/exchange/test_exchange.py
@@ -231,6 +231,10 @@ def test_validate_order_time_in_force(default_conf, mocker, caplog):
     (2.34559, 2, 3, 1, 2.345, 'spot'),
     (2.9999, 2, 3, 1, 2.999, 'spot'),
     (2.9909, 2, 3, 1, 2.990, 'spot'),
+    (2.9909, 2, 0, 1, 2, 'spot'),
+    (29991.5555, 2, 0, 1, 29991, 'spot'),
+    (29991.5555, 2, -1, 1, 29990, 'spot'),
+    (29991.5555, 2, -2, 1, 29900, 'spot'),
     # Tests for Tick-size
     (2.34559, 4, 0.0001, 1, 2.3455, 'spot'),
     (2.34559, 4, 0.00001, 1, 2.34559, 'spot'),