Improving ownership transference tests.

1 files changed, 81 insertions, 0 deletions

diff --git a/tests/samplebinding/ownership_transference_test.py b/tests/samplebinding/ownership_transference_test.py
new file mode 100755
index 000000000..ec3c23db9
--- /dev/null
+++ b/tests/samplebinding/ownership_transference_test.py
@@ -0,0 +1,81 @@
+#!/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
+
+'''The BlackBox class has cases of ownership transference between C++ and Python.'''
+
+import sys
+import unittest
+
+from sample import ObjectType, BlackBox
+
+class BlackBoxTest(unittest.TestCase):
+    '''The BlackBox class has cases of ownership transference between C++ and Python.'''
+
+    def testOwnershipTransference(self):
+        '''Ownership transference from Python to C++ and back again.'''
+        o1 = ObjectType()
+        o1.setObjectName('object1')
+        o1_refcnt = sys.getrefcount(o1)
+        o2 = ObjectType()
+        o2.setObjectName('object2')
+        o2_refcnt = sys.getrefcount(o2)
+        bb = BlackBox()
+        bb.keepObjectType(o1)
+        bb.keepObjectType(o2)
+        self.assertEqual(bb.objects(), [o1, o2])
+        self.assertEqual(str(o1.objectName()), 'object1')
+        self.assertEqual(str(o2.objectName()), 'object2')
+        self.assertEqual(sys.getrefcount(o1), o1_refcnt)
+        self.assertEqual(sys.getrefcount(o2), o2_refcnt)
+        o2 = bb.retrieveObjectType(o2)
+        self.assertEqual(sys.getrefcount(o2), o2_refcnt)
+        del bb
+        self.assertRaises(RuntimeError, o1.objectName)
+        self.assertEqual(str(o2.objectName()), 'object2')
+        self.assertEqual(sys.getrefcount(o2), o2_refcnt)
+
+    def testBlackBoxReleasingUnknownObjectType(self):
+        '''Asks BlackBox to release an unknown ObjectType.'''
+        o1 = ObjectType()
+        o2 = ObjectType()
+        bb = BlackBox()
+        bb.keepObjectType(o1)
+        o3 = bb.retrieveObjectType(o2)
+        self.assertEqual(o3, None)
+
+    def testOwnershipTransferenceCppCreated(self):
+        '''Ownership transference using a C++ created object.'''
+        o1 = ObjectType.create()
+        o1.setObjectName('object1')
+        o1_refcnt = sys.getrefcount(o1)
+        bb = BlackBox()
+        bb.keepObjectType(o1)
+        self.assertEqual(bb.objects(), [o1])
+        self.assertEqual(str(o1.objectName()), 'object1')
+
+if __name__ == '__main__':
+    unittest.main()
+