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diff --git a/sources/shiboken2/tests/samplebinding/str_test.py b/sources/shiboken2/tests/samplebinding/str_test.py
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index 000000000..dca7e1f44
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+++ b/sources/shiboken2/tests/samplebinding/str_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.
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+'''Test cases for a method that receives a reference to class that is implicitly convertible from a Python native type.'''
+
+import unittest
+
+from sample import Str
+
+class StrTest(unittest.TestCase):
+    '''Test cases for thr Str class.'''
+
+    def test__str__Method(self):
+        '''Test if the binding correcly implements the Python __str__ method.'''
+        s1 = 'original string'
+        s2 = Str(s1)
+        self.assertEqual(s1, s2)
+        self.assertEqual(s1, str(s2))
+
+    def testPassExactClassAsReferenceToArgument(self):
+        '''Test passing the expected class as an argument to a method that expects a reference.'''
+        s1 = Str('This is %VAR!').arg(Str('Sparta'))
+        self.assertEqual(str(s1), 'This is Sparta!')
+
+    def testPassPythonTypeImplictlyConvertibleToAClassUsedAsReference(self):
+        '''Test passing a Python class implicitly convertible to a wrapped class that is expected to be passed as reference.'''
+        s1 = Str('This is %VAR!').arg('Athens')
+        self.assertEqual(str(s1), 'This is Athens!')
+
+    def testSequenceOperators(self):
+        s1 = Str("abcdef")
+        self.assertEqual(len(s1), 6);
+        self.assertEqual(len(Str()), 0);
+
+        # getitem
+        self.assertEqual(s1[0], "a");
+        self.assertEqual(s1[1], "b");
+        self.assertEqual(s1[2], "c");
+        self.assertEqual(s1[3], "d");
+        self.assertEqual(s1[4], "e");
+        self.assertEqual(s1[5], "f");
+        self.assertEqual(s1[-1], "f");
+        self.assertEqual(s1[-2], "e");
+
+        self.assertRaises(TypeError, s1.__getitem__, 6)
+
+        # setitem
+        s1[0] = 'A'
+        s1[1] = 'B'
+        self.assertEqual(s1[0], 'A');
+        self.assertEqual(s1[1], 'B');
+        self.assertRaises(TypeError, s1.__setitem__(6, 67))
+
+    def testReverseOperator(self):
+        s1 = Str("hello")
+        n1 = 2
+        self.assertEqual(s1+2, "hello2")
+        self.assertEqual(2+s1, "2hello")
+
+    def testToIntError(self):
+        self.assertEqual(Str('Z').toInt(), (0, False))
+
+    def testToIntWithDecimal(self):
+        decimal = Str('37')
+        val, ok = decimal.toInt()
+        self.assertEqual(type(val), int)
+        self.assertEqual(type(ok), bool)
+        self.assertEqual(val, int(str(decimal)))
+
+    def testToIntWithOctal(self):
+        octal = Str('52')
+        val, ok = octal.toInt(8)
+        self.assertEqual(type(val), int)
+        self.assertEqual(type(ok), bool)
+        self.assertEqual(val, int(str(octal), 8))
+
+    def testToIntWithHexadecimal(self):
+        hexa = Str('2A')
+        val, ok = hexa.toInt(16)
+        self.assertEqual(type(val), int)
+        self.assertEqual(type(ok), bool)
+        self.assertEqual(val, int(str(hexa), 16))
+        self.assertEqual(hexa.toInt(), (0, False))
+
+if __name__ == '__main__':
+    unittest.main()
+