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diff --git a/test/Bug183332_TestCase.py b/test/Bug183332_TestCase.py
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+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# ******************************************************************************
+#
+# Copyright (C) 2008-2010 Olivier Tilloy <olivier@tilloy.net>
+#
+# This file is part of the pyexiv2 distribution.
+#
+# pyexiv2 is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# pyexiv2 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with pyexiv2; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
+#
+#
+# File:      Bug183332_TestCase.py
+# Author(s): Olivier Tilloy <olivier@tilloy.net>
+#
+# ******************************************************************************
+
+import unittest
+import testutils
+import os.path
+import pyexiv2
+
+class Bug183332_TestCase(unittest.TestCase):
+
+    """
+    Test case for bug #183332.
+
+    Summary: Cached metadata is not converted to its correct type.
+    Description: When setting the value of a tag, its value is automatically
+    converted to the correct type, but the value held in the internal cache is
+    not.
+    """
+
+    def testSetEXIFTagValue(self):
+        """
+        Test the value type of the internally cached metadata after setting an
+        EXIF tag.
+        """
+        # Check that the reference file is not corrupted
+        filename = os.path.join('data', 'smiley1.jpg')
+        md5sum = 'c066958457c685853293058f9bf129c1'
+        self.assert_(testutils.CheckFileSum(filename, md5sum))
+
+        image = pyexiv2.Image(filename)
+        image.readMetadata()
+        key = 'Exif.Image.Artist'
+        self.assert_(key in image.exifKeys())
+        value = 12
+        # EXIF artist is a string, voluntarily pass an integer as argument
+        image[key] = value
+        self.assertEqual(image[key], str(value))
+
+    def testSetIPTCTagValue(self):
+        """
+        Test the value type of the internally cached metadata after setting an
+        IPTC tag.
+        """
+        # Check that the reference file is not corrupted
+        filename = os.path.join('data', 'smiley1.jpg')
+        md5sum = 'c066958457c685853293058f9bf129c1'
+        self.assert_(testutils.CheckFileSum(filename, md5sum))
+
+        image = pyexiv2.Image(filename)
+        image.readMetadata()
+        key = 'Iptc.Application2.Keywords'
+        self.assert_(key in image.iptcKeys())
+        values = (5, 6)
+        # IPTC keywords are strings, voluntarily pass integers as arguments
+        image[key] = values
+        self.assertEqual(image[key], tuple([str(v) for v in values]))
+
+    def testSetNotSetEXIFTagValue(self):
+        """
+        Test the value type of the internally cached metadata after setting an
+        EXIF tag that was not previously set.
+        """
+        # Check that the reference file is not corrupted
+        filename = os.path.join('data', 'smiley1.jpg')
+        md5sum = 'c066958457c685853293058f9bf129c1'
+        self.assert_(testutils.CheckFileSum(filename, md5sum))
+
+        image = pyexiv2.Image(filename)
+        image.readMetadata()
+        key = 'Exif.Image.Model'
+        self.assert_(key not in image.exifKeys())
+        value = 34L
+        # EXIF model is a string, voluntarily pass a long as argument
+        image[key] = value
+        self.assertEqual(image[key], str(value))
+