diff --git a/addons/stock/tests/test_packing.py b/addons/stock/tests/test_packing.py
index 76fa956f287..7d7fc5c526c 100644
--- a/addons/stock/tests/test_packing.py
+++ b/addons/stock/tests/test_packing.py
@@ -68,6 +68,8 @@ class TestPacking(TransactionCase):
         pick_picking.move_line_ids.filtered(lambda ml: ml.product_id == self.productB).qty_done = 2.0
 
         first_pack = pick_picking.put_in_pack()
+        self.assertEquals(len(pick_picking.package_level_ids), 1, 'Put some products in pack should create a package_level')
+        self.assertEquals(pick_picking.package_level_ids[0].state, 'new', 'A new pack should be in state "new"')
         pick_picking.move_line_ids.filtered(lambda ml: ml.product_id == self.productA and ml.qty_done == 0.0).qty_done = 4.0
         pick_picking.move_line_ids.filtered(lambda ml: ml.product_id == self.productB and ml.qty_done == 0.0).qty_done = 3.0
         second_pack = pick_picking.put_in_pack()
@@ -95,5 +97,39 @@ class TestPacking(TransactionCase):
             'location_id': self.stock_location.id,
             'location_dest_id': self.stock_location.id,
         })
+        self.assertEquals(package_level.state, 'draft',
+                          'The package_level should be in draft as it has no moves, move lines and is not confirmed')
         picking.action_confirm()
-        self.assertEqual(len(picking.move_lines), 1, 'One move should be created when the package_level has been confirmed')
+        self.assertEqual(len(picking.move_lines), 1,
+                         'One move should be created when the package_level has been confirmed')
+        self.assertEquals(len(package_level.move_ids), 1,
+                          'The move should be in the package level')
+        self.assertEquals(package_level.state, 'confirmed',
+                          'The package level must be state confirmed when picking is confirmed')
+        picking.action_assign()
+        self.assertEqual(len(picking.move_lines), 1,
+                         'You still have only one move when the picking is assigned')
+        self.assertEqual(len(picking.move_lines.move_line_ids), 1,
+                         'The move  should have one move line which is the reservation')
+        self.assertEquals(picking.move_line_ids.package_level_id.id, package_level.id,
+                          'The move line created should be linked to the package level')
+        self.assertEquals(picking.move_line_ids.package_id.id, pack.id,
+                          'The move line must have been reserved on the package of the package_level')
+        self.assertEquals(picking.move_line_ids.result_package_id.id, pack.id,
+                          'The move line must have the same package as result package')
+        self.assertEquals(package_level.state, 'assigned', 'The package level must be in state assigned')
+        package_level.write({'is_done': True})
+        self.assertEquals(len(package_level.move_line_ids), 1,
+                          'The package level should still keep one move line after have been set to "done"')
+        self.assertEquals(package_level.move_line_ids[0].qty_done, 20.0,
+                          'All quantity in package must be procesed in move line')
+        picking.button_validate()
+        self.assertEqual(len(picking.move_lines), 1,
+                         'You still have only one move when the picking is assigned')
+        self.assertEqual(len(picking.move_lines.move_line_ids), 1,
+                         'The move  should have one move line which is the reservation')
+        self.assertEquals(package_level.state, 'done', 'The package level must be in state done')
+        self.assertEquals(pack.location_id.id, picking.location_dest_id.id,
+                          'The quant package must be in the destination location')
+        self.assertEquals(pack.quant_ids[0].location_id.id, picking.location_dest_id.id,
+                          'The quant must be in the destination location')