1 files changed, 24 insertions, 0 deletions
diff --git a/Lib/test/test_xdrlib.py b/Lib/test/test_xdrlib.py
index 6004c9f1c6..70496d63b4 100644
--- a/Lib/test/test_xdrlib.py
+++ b/Lib/test/test_xdrlib.py
@@ -51,8 +51,32 @@ class XDRTest(unittest.TestCase):
         up.done()
         self.assertRaises(EOFError, up.unpack_uint)
 
+class ConversionErrorTest(unittest.TestCase):
+
+    def setUp(self):
+        self.packer = xdrlib.Packer()
+
+    def assertRaisesConversion(self, *args):
+        self.assertRaises(xdrlib.ConversionError, *args)
+
+    def test_pack_int(self):
+        self.assertRaisesConversion(self.packer.pack_int, 'string')
+
+    def test_pack_uint(self):
+        self.assertRaisesConversion(self.packer.pack_uint, 'string')
+
+    def test_float(self):
+        self.assertRaisesConversion(self.packer.pack_float, 'string')
+
+    def test_double(self):
+        self.assertRaisesConversion(self.packer.pack_double, 'string')
+
+    def test_uhyper(self):
+        self.assertRaisesConversion(self.packer.pack_uhyper, 'string')
+
 def test_main():
     support.run_unittest(XDRTest)
+    support.run_unittest(ConversionErrorTest)
 
 if __name__ == "__main__":
     test_main()