1 files changed, 79 insertions, 0 deletions
diff --git a/tests/samplebinding/privatector_test.py b/tests/samplebinding/privatector_test.py
new file mode 100755
index 000000000..ea713670f
--- /dev/null
+++ b/tests/samplebinding/privatector_test.py
@@ -0,0 +1,79 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# This file is part of the Shiboken Python Bindings Generator project.
+#
+# Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+#
+# Contact: PySide team <contact@pyside.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public License
+# version 2.1 as published by the Free Software Foundation. Please
+# review the following information to ensure the GNU Lesser General
+# Public License version 2.1 requirements will be met:
+# http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+# #
+# This program is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+# 02110-1301 USA
+
+'''Test cases for a class with only a private constructor.'''
+
+import gc
+import sys
+import unittest
+
+from sample import PrivateCtor
+
+
+class PrivateCtorTest(unittest.TestCase):
+    '''Test case for PrivateCtor class'''
+
+    def testPrivateCtorInstanciation(self):
+        '''Test if instanciation of class with a private constructor raises an exception.'''
+        self.assertRaises(TypeError, PrivateCtor)
+
+    def testPrivateCtorInheritance(self):
+        '''Test if inheriting from PrivateCtor raises an exception.'''
+        def inherit():
+            class Foo(PrivateCtor):
+                pass
+        self.assertRaises(TypeError, inherit)
+
+    def testPrivateCtorInstanceMethod(self):
+        '''Test if PrivateCtor.instance() method return the proper singleton.'''
+        pd1 = PrivateCtor.instance()
+        calls = pd1.instanceCalls()
+        self.assertEqual(type(pd1), PrivateCtor)
+        pd2 = PrivateCtor.instance()
+        self.assertEqual(pd2, pd1)
+        self.assertEqual(pd2.instanceCalls(), calls + 1)
+
+    def testPrivateCtorRefCounting(self):
+        '''Test refcounting of the singleton returned by PrivateCtor.instance().'''
+        pd1 = PrivateCtor.instance()
+        calls = pd1.instanceCalls()
+        refcnt = sys.getrefcount(pd1)
+        pd2 = PrivateCtor.instance()
+        self.assertEqual(pd2.instanceCalls(), calls + 1)
+        self.assertEqual(sys.getrefcount(pd2), sys.getrefcount(pd1))
+        self.assertEqual(sys.getrefcount(pd2), refcnt + 1)
+        del pd1
+        self.assertEqual(sys.getrefcount(pd2), refcnt)
+        del pd2
+        gc.collect()
+        pd3 = PrivateCtor.instance()
+        self.assertEqual(type(pd3), PrivateCtor)
+        self.assertEqual(pd3.instanceCalls(), calls + 2)
+        self.assertEqual(sys.getrefcount(pd3), refcnt)
+
+if __name__ == '__main__':
+    unittest.main()
+