Added test for negative radius in Path.contains_points

Author: simongibbons

lib/matplotlib/tests/test_path.py

@@ -27,6 +27,12 @@ def test_point_in_path():
 
     assert np.all(path.contains_points(points) == [True, False])
 
+def test_contains_points_negative_radius():
+    path = Path.unit_circle()
+
+    points = [(0.0, 0.0), (1.25, 0.0)]
+
+    assert np.all(path.contains_points(points, radius = -0.5) == [True, False] )
 
 if __name__ == '__main__':
     import nose