1 files changed, 48 insertions, 6 deletions

diff --git a/tests/glibext/singleton.py b/tests/glibext/singleton.py
index b0608f0..4588ae5 100644
--- a/tests/glibext/singleton.py
+++ b/tests/glibext/singleton.py
@@ -47,12 +47,15 @@ class TestSingleton(ChrysalideTestCase):
                 super().__init__()
                 self._val = val
 
-            def __eq__(self, other):
-                return self._val == other._val
+            def _list_inner_instances(self):
+                return ()
 
             def __hash__(self):
                 return hash('common-key')
 
+            def __eq__(self, other):
+                return self._val == other._val
+
         val_0 = IntegerCacheImplem(0)
         val_0_bis = IntegerCacheImplem(0)
         val_1 = IntegerCacheImplem(1)
@@ -70,24 +73,31 @@ class TestSingleton(ChrysalideTestCase):
     def testSingletonFootprint(self):
         """Check for singleton memory footprint."""
 
+        sf = SingletonFactory()
+
+
         class IntegerCacheImplem(GObject.Object, SingletonCandidate):
 
             def __init__(self, val):
                 super().__init__()
                 self._val = val
 
-            def __eq__(self, other):
-                return self._val == other._val
+            def _list_inner_instances(self):
+                return ()
 
             def __hash__(self):
                 return hash('common-key')
 
+            def __eq__(self, other):
+                return self._val == other._val
+
+            def _set_read_only(self):
+                pass
+
         val_0 = IntegerCacheImplem(0)
         val_0_bis = IntegerCacheImplem(0)
         val_1 = IntegerCacheImplem(1)
 
-        sf = SingletonFactory()
-
         obj = sf.get_instance(val_0)
 
         self.assertTrue(obj is val_0)
@@ -99,3 +109,35 @@ class TestSingleton(ChrysalideTestCase):
         obj = sf.get_instance(val_1)
 
         self.assertTrue(obj is val_1)
+
+        self.assertEqual(len(obj.inner_instances), 0)
+
+
+        class MasterCacheImplem(GObject.Object, SingletonCandidate):
+
+            def __init__(self, children):
+                super().__init__()
+                self._children = children
+
+            def _list_inner_instances(self):
+                return self._children
+
+            def _update_inner_instances(self, instances):
+                self._children = instances
+
+            def __hash__(self):
+                return hash('master-key')
+
+            def __eq__(self, other):
+                return False
+
+            def _set_read_only(self):
+                pass
+
+        master = MasterCacheImplem(( val_0_bis, val_1 ))
+
+        obj = sf.get_instance(master)
+
+        self.assertTrue(obj.inner_instances[0] is val_0)
+
+        self.assertTrue(obj.inner_instances[1] is val_1)