1 files changed, 44 insertions, 0 deletions
diff --git a/python/pyasn1/test/codec/der/test_encoder.py b/python/pyasn1/test/codec/der/test_encoder.py
new file mode 100644
index 000000000..787da7bec
--- /dev/null
+++ b/python/pyasn1/test/codec/der/test_encoder.py
@@ -0,0 +1,44 @@
+from pyasn1.type import namedtype, univ
+from pyasn1.codec.der import encoder
+from pyasn1.compat.octets import ints2octs
+from pyasn1.error import PyAsn1Error
+from sys import version_info
+if version_info[0:2] < (2, 7) or \
+   version_info[0:2] in ( (3, 0), (3, 1) ):
+    try:
+        import unittest2 as unittest
+    except ImportError:
+        import unittest
+else:
+    import unittest
+
+class OctetStringEncoderTestCase(unittest.TestCase):
+    def testShortMode(self):
+        assert encoder.encode(
+            univ.OctetString('Quick brown fox')
+            ) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
+
+class BitStringEncoderTestCase(unittest.TestCase):
+    def testShortMode(self):
+        assert encoder.encode(
+            univ.BitString((1,))
+            ) == ints2octs((3, 2, 7, 128))
+        
+class SetWithChoiceEncoderTestCase(unittest.TestCase):
+    def setUp(self):
+        c = univ.Choice(componentType=namedtype.NamedTypes(
+            namedtype.NamedType('name', univ.OctetString('')),
+            namedtype.NamedType('amount', univ.Integer(0))
+            ))
+        self.s = univ.Set(componentType=namedtype.NamedTypes(
+            namedtype.NamedType('place-holder', univ.Null('')),
+            namedtype.NamedType('status', c)
+            ))
+
+    def testDefMode(self):
+        self.s.setComponentByPosition(0)
+        self.s.setComponentByName('status')
+        self.s.getComponentByName('status').setComponentByPosition(0, 'ann')
+        assert encoder.encode(self.s) == ints2octs((49, 7, 4, 3, 97, 110, 110, 5, 0))
+
+if __name__ == '__main__': unittest.main()