Add unit tests

costaparas · costaparas · commit 5c48037b3381 · 2024-09-23T20:29:06.000+10:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -6149,6 +6149,27 @@ def test_pie_get_negative_values():
         ax.pie([5, 5, -3], explode=[0, .1, .2])
 
 
+def test_pie_invalid_explode():
+    # Test ValueError raised when feeding short explode list to axes.pie
+    fig, ax = plt.subplots()
+    with pytest.raises(ValueError):
+        ax.pie([1, 2, 3], explode=[0.1, 0.1])
+
+
+def test_pie_invalid_labels():
+    # Test ValueError raised when feeding short labels list to axes.pie
+    fig, ax = plt.subplots()
+    with pytest.raises(ValueError):
+        ax.pie([1, 2, 3], labels=["One", "Two"])
+
+
+def test_pie_invalid_radius():
+    # Test ValueError raised when feeding negative radius to axes.pie
+    fig, ax = plt.subplots()
+    with pytest.raises(ValueError):
+        ax.pie([1, 2, 3], radius=-5)
+
+
 def test_normalize_kwarg_pie():
     fig, ax = plt.subplots()
     x = [0.3, 0.3, 0.1]
