TST: added test for ValueError

jklymak · jklymak · commit 9b195c237376 · 2018-09-28T12:11:14.000-07:00
diff --git a/lib/matplotlib/tests/test_axes.py b/lib/matplotlib/tests/test_axes.py
@@ -747,6 +747,15 @@ def test_polar_theta_position():
     ax.set_theta_direction('clockwise')
 
 
+def test_polar_invertedylim():
+    fig = plt.figure()
+    ax = fig.add_axes([0.1, 0.1, 0.8, 0.8], polar=True)
+    with pytest.raises(ValueError):
+        ax.set_ylim(90, -45)
+    with pytest.raises(ValueError):
+        ax.set_rlim(90, -45)
+
+
 @image_comparison(baseline_images=['polar_rlabel_position'], style='default')
 def test_polar_rlabel_position():
     fig = plt.figure()
