Adds test for C++ 'const char*' argument receiving a Python None as a null pointer.

The test function 'countCharacters(const char*)' now returns -1 when
receiving a null pointer.

2 files changed, 52 insertions, 0 deletions

diff --git a/tests/libsample/functions.cpp b/tests/libsample/functions.cpp
index d02b7a19d..aebd9b83b 100644
--- a/tests/libsample/functions.cpp
+++ b/tests/libsample/functions.cpp
@@ -85,6 +85,8 @@ multiplyPair(std::pair<double, double> pair)
 int
 countCharacters(const char* text)
 {
+    if (!text)
+        return -1;
     int count;
     for(count = 0; text[count] != '\0'; count++)
         ;
@@ -176,3 +178,4 @@ acceptDouble(double x)
 {
     return x;
 }
+
diff --git a/tests/samplebinding/receive_null_cstring_test.py b/tests/samplebinding/receive_null_cstring_test.py
new file mode 100755
index 000000000..978433fda
--- /dev/null
+++ b/tests/samplebinding/receive_null_cstring_test.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# This file is part of the Shiboken Python Bindings Generator project.
+#
+# Copyright (C) 2010 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 case for a function that could receive a NULL pointer in a '[const] char*' parameter.'''
+
+import unittest
+
+from sample import countCharacters
+
+class ReceiveNullCStringTest(unittest.TestCase):
+    '''Test case for a function that could receive a NULL pointer in a '[const] char*' parameter.'''
+
+    def testBasic(self):
+        '''The test function should be working for the basic cases.'''
+        a = ''
+        b = 'abc'
+        self.assertEqual(countCharacters(a), len(a))
+        self.assertEqual(countCharacters(b), len(b))
+
+    def testReceiveNull(self):
+        '''The test function returns '-1' when receives a None value instead of a string.'''
+        self.assertEqual(countCharacters(None), -1)
+
+if __name__ == '__main__':
+    unittest.main()
+