diff --git a/tests/test_learning.py b/tests/test_learning.py
index 8a21d6462..932070820 100644
--- a/tests/test_learning.py
+++ b/tests/test_learning.py
@@ -165,6 +165,15 @@ def test_decision_tree_learner():
assert dTL([7.5, 4, 6, 2]) == "virginica"
+def test_information_content():
+ assert information_content([]) == 0
+ assert information_content([4]) == 0
+ assert information_content([5, 4, 0, 2, 5, 0]) > 1.9
+ assert information_content([5, 4, 0, 2, 5, 0]) < 2
+ assert information_content([1.5, 2.5]) > 0.9
+ assert information_content([1.5, 2.5]) < 1.0
+
+
def test_random_forest():
iris = DataSet(name="iris")
rF = RandomForest(iris)
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