ValidationKit: detect non-collectable VirtualBoxManager object (which generally is a victim of something else not being collectable due to cyclic references) and let someone know who is checking the logs

git-svn-id: https://www.virtualbox.org/svn/vbox/trunk@67048 cfe28804-0f27-0410-a406-dd0f0b0b656f

1 files changed, 15 insertions, 0 deletions

diff --git a/src/VBox/ValidationKit/testdriver/vbox.py b/src/VBox/ValidationKit/testdriver/vbox.py
index 9c41e0b9277..fa75585e7ef 100644
--- a/src/VBox/ValidationKit/testdriver/vbox.py
+++ b/src/VBox/ValidationKit/testdriver/vbox.py
@@ -1407,6 +1407,21 @@ class TestDriver(base.TestDriver):
         try:
             import gc
             gc.collect();
+            objects = gc.get_objects()
+            try:
+                try:
+                    from types import InstanceType
+                except ImportError:
+                    InstanceType = None # Python 3.x compatibility
+                for o in objects:
+                    objtype = type(o)
+                    if objtype == InstanceType: # Python 2.x codepath
+                        objtype = o.__class__
+                    if objtype.__name__ == 'VirtualBoxManager':
+                        reporter.log('actionCleanupAfter: CAUTION, there is still a VirtualBoxManager object, GC trouble')
+                        break
+            finally:
+                del objects
         except:
             reporter.logXcpt();
         self.fImportedVBoxApi = False;