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diff --git a/tests/samplebinding/bytearray_test.py b/tests/samplebinding/bytearray_test.py
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+++ b/tests/samplebinding/bytearray_test.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# This file is part of the Shiboken Python Bindings Generator project.
+#
+# Copyright (C) 2011 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
+
+import unittest
+from os.path import isdir
+from sample import ByteArray
+
+
+class ByteArrayBufferProtocolTest(unittest.TestCase):
+    '''Tests ByteArray implementation of Python buffer protocol.'''
+
+    def testByteArrayBufferProtocol(self):
+        # Tests ByteArray implementation of Python buffer protocol using the os.path.isdir
+        # function which an unicode object or other object implementing the Python buffer protocol.
+        isdir(ByteArray('/tmp'))
+
+
+class ByteArrayConcatenationOperatorTest(unittest.TestCase):
+    '''Test cases for ByteArray concatenation with '+' operator.'''
+
+    def testConcatByteArrayAndPythonString(self):
+        # Test concatenation of a ByteArray with a Python string, in this order.
+        ba = ByteArray('foo')
+        result = ba + '\x00bar'
+        self.assertEqual(type(result), ByteArray)
+        self.assertEqual(result, 'foo\x00bar')
+
+    def testConcatPythonStringAndByteArray(self):
+        # Test concatenation of a Python string with a ByteArray, in this order.
+        concat_python_string_add_qbytearray_worked = True
+        ba = ByteArray('foo')
+        result = 'bar\x00' + ba
+        self.assertEqual(type(result), ByteArray)
+        self.assertEqual(result, 'bar\x00foo')
+
+
+class ByteArrayOperatorEqual(unittest.TestCase):
+    '''TestCase for operator ByteArray == ByteArray.'''
+
+    def testDefault(self):
+        # ByteArray() == ByteArray()
+        obj1 = ByteArray()
+        obj2 = ByteArray()
+        self.assertEqual(obj1, obj2)
+
+    def testSimple(self):
+        # ByteArray(some_string) == ByteArray(some_string)
+        string = 'egg snakes'
+        self.assertEqual(ByteArray(string), ByteArray(string))
+
+    def testPyString(self):
+        # ByteArray(string) == string
+        string = 'my test string'
+        self.assertEqual(ByteArray(string), string)
+
+    def testQString(self):
+        # ByteArray(string) == string
+        string = 'another test string'
+        self.assertEqual(ByteArray(string), string)
+
+
+class ByteArrayOperatorAt(unittest.TestCase):
+    '''TestCase for operator ByteArray[]'''
+
+    def testInRange(self):
+        # ByteArray[x] where x is a valid index.
+        string = 'abcdefgh'
+        obj = ByteArray(string)
+        for i in range(len(string)):
+            self.assertEqual(obj[i], string[i])
+
+    def testInRangeReverse(self):
+        # ByteArray[x] where x is a valid index (reverse order).
+        string = 'abcdefgh'
+        obj = ByteArray(string)
+        for i in range(len(string)-1, 0, -1):
+            self.assertEqual(obj[i], string[i])
+
+    def testOutOfRange(self):
+        # ByteArray[x] where x is out of index.
+        string = '1234567'
+        obj = ByteArray(string)
+        self.assertRaises(IndexError, lambda :obj[len(string)])
+
+    def testNullStrings(self):
+        ba = ByteArray('\x00')
+        self.assertEqual(ba.at(0), '\x00')
+        self.assertEqual(ba[0], '\x00')
+
+
+class ByteArrayOperatorLen(unittest.TestCase):
+    '''Test case for __len__ operator of ByteArray'''
+
+    def testBasic(self):
+        '''ByteArray __len__'''
+        self.assertEqual(len(ByteArray()), 0)
+        self.assertEqual(len(ByteArray('')), 0)
+        self.assertEqual(len(ByteArray(' ')), 1)
+        self.assertEqual(len(ByteArray('yabadaba')), 8)
+
+
+class ByteArrayAndPythonStr(unittest.TestCase):
+    '''Test case for __str__ operator of ByteArray'''
+
+    def testStrOperator(self):
+        '''ByteArray __str__'''
+        self.assertEqual(ByteArray().__str__(), '')
+        self.assertEqual(ByteArray('').__str__(), '')
+        self.assertEqual(ByteArray('aaa').__str__(), 'aaa')
+
+    def testPythonStrAndNull(self):
+        s1 = "123\000321"
+        ba = ByteArray(s1)
+        s2 = ba.data()
+        self.assertEqual(s1, s2)
+        self.assertEqual(type(s1), type(s2))
+        self.assertEqual(s1, ba)
+        self.assertNotEqual(type(s1), type(ba))
+
+
+if __name__ == '__main__':
+    unittest.main()