FIX: Explicit close/del

Author: larsoner

surfer/tests/test_viz.py

@@ -1,3 +1,4 @@
+import gc
 import os
 import os.path as op
 from os.path import join as pjoin
@@ -210,6 +211,17 @@ def test_data():
     brain.close()
 
 
+@requires_fsaverage()
+def test_close():
+    """Test that close and del actually work."""
+    _set_backend()
+    brain = Brain('fsaverage', 'both', 'inflated')
+    brain.close()
+    brain.__del__()
+    del brain
+    gc.collect()
+
+
 @requires_fsaverage()
 def test_data_limits():
     """Test handling of data limits."""