at decoder, do not unconditionally cast substrate into bytes/str

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/codec/ber/test_decoder.py b/tests/codec/ber/test_decoder.py
index 03bfcab..0a53bcf 100644
--- a/tests/codec/ber/test_decoder.py
+++ b/tests/codec/ber/test_decoder.py
@@ -840,6 +840,30 @@ class EndOfOctetsTestCase(unittest.TestCase):
             assert 0, 'end-of-contents octets accepted with unexpected data'
 
 
+class NonStringDecoderTestCase(unittest.TestCase):
+    def setUp(self):
+        self.s = univ.Sequence(
+            componentType=namedtype.NamedTypes(
+                namedtype.NamedType('place-holder', univ.Null(null)),
+                namedtype.NamedType('first-name', univ.OctetString(null)),
+                namedtype.NamedType('age', univ.Integer(33))
+            )
+        )
+        self.s.setComponentByPosition(0, univ.Null(null))
+        self.s.setComponentByPosition(1, univ.OctetString('quick brown'))
+        self.s.setComponentByPosition(2, univ.Integer(1))
+
+        self.substrate = ints2octs([48, 18, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 2, 1, 1])
+
+    def testOctetString(self):
+        s, _ = decoder.decode(univ.OctetString(self.substrate), asn1Spec=self.s)
+        assert self.s == s
+
+    def testAny(self):
+        s, _ = decoder.decode(univ.Any(self.substrate), asn1Spec=self.s)
+        assert self.s == s
+
+
 suite = unittest.TestLoader().loadTestsFromModule(sys.modules[__name__])
 
 if __name__ == '__main__':