diff --git a/test_logistic.py b/test_logistic.py
index 9391bee..09477d9 100644
--- a/test_logistic.py
+++ b/test_logistic.py
@@ -1,9 +1,19 @@
 from numpy.testing import assert_allclose
-
+import pytest
 from logistic import f
 
 # Add here your test for the logistic map
 
+@pytest.mark.parametrize('x, r, expected', [
+        (0.1, 2.2, 0.198),
+        (0.2, 3.4, 0.544), 
+        (0.5, 2, 0.5)
+    ])
+
+def test_f_generic_cases(x, r, expected):
+    result = f(x, r)
+    assert_allclose(result, expected)
+
 
 def test_f_corner_cases():
     # Test cases are (x, r, expected)