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diff --git a/sources/shiboken2/tests/samplebinding/bytearray_test.py b/sources/shiboken2/tests/samplebinding/bytearray_test.py
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+++ b/sources/shiboken2/tests/samplebinding/bytearray_test.py
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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+#############################################################################
+##
+## Copyright (C) 2016 The Qt Company Ltd.
+## Contact: https://www.qt.io/licensing/
+##
+## This file is part of the test suite of PySide2.
+##
+## $QT_BEGIN_LICENSE:GPL-EXCEPT$
+## Commercial License Usage
+## Licensees holding valid commercial Qt licenses may use this file in
+## accordance with the commercial license agreement provided with the
+## Software or, alternatively, in accordance with the terms contained in
+## a written agreement between you and The Qt Company. For licensing terms
+## and conditions see https://www.qt.io/terms-conditions. For further
+## information use the contact form at https://www.qt.io/contact-us.
+##
+## GNU General Public License Usage
+## Alternatively, this file may be used under the terms of the GNU
+## General Public License version 3 as published by the Free Software
+## Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+## included in the packaging of this file. Please review the following
+## information to ensure the GNU General Public License requirements will
+## be met: https://www.gnu.org/licenses/gpl-3.0.html.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+import unittest
+from os.path import isdir
+from sample import ByteArray
+from py3kcompat import b
+
+
+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(str(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], b(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], b(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], b('\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 = b('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()