]> Cypherpunks.ru repositories - pyderasn.git/blobdiff - tests/test_pyderasn.py
Stricter validation of *Time
[pyderasn.git] / tests / test_pyderasn.py
index c85a90a3e3e4dc737a553b3eb98aa97126e3e8f1..f2e73b4202a0a626f762e71b94b54f94f9548aff 100644 (file)
@@ -1,11 +1,10 @@
 # coding: utf-8
 # PyDERASN -- Python ASN.1 DER/BER codec with abstract structures
-# Copyright (C) 2017-2018 Sergey Matveev <stargrave@stargrave.org>
+# Copyright (C) 2017-2020 Sergey Matveev <stargrave@stargrave.org>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Lesser General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
+# published by the Free Software Foundation, version 3 of the License.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # License along with this program.  If not, see
 # <http://www.gnu.org/licenses/>.
 
+from copy import copy
+from copy import deepcopy
 from datetime import datetime
+from importlib import import_module
 from string import ascii_letters
 from string import digits
 from string import printable
 from string import whitespace
+from time import time
 from unittest import TestCase
 
 from hypothesis import assume
@@ -51,6 +54,9 @@ from six import iterbytes
 from six import PY2
 from six import text_type
 from six import unichr as six_unichr
+from six.moves.cPickle import dumps as pickle_dumps
+from six.moves.cPickle import HIGHEST_PROTOCOL as pickle_proto
+from six.moves.cPickle import loads as pickle_loads
 
 from pyderasn import _pp
 from pyderasn import abs_decode_path
@@ -65,6 +71,7 @@ from pyderasn import DecodePathDefBy
 from pyderasn import Enumerated
 from pyderasn import EOC
 from pyderasn import EOC_LEN
+from pyderasn import ExceedingData
 from pyderasn import GeneralizedTime
 from pyderasn import GeneralString
 from pyderasn import GraphicString
@@ -81,6 +88,7 @@ from pyderasn import LEN_YYMMDDHHMMSSZ
 from pyderasn import LEN_YYYYMMDDHHMMSSDMZ
 from pyderasn import LEN_YYYYMMDDHHMMSSZ
 from pyderasn import LENINDEF
+from pyderasn import LenIndefForm
 from pyderasn import NotEnoughData
 from pyderasn import Null
 from pyderasn import NumericString
@@ -131,6 +139,27 @@ tag_forms = sampled_from((TagFormConstructed, TagFormPrimitive))
 decode_path_strat = lists(integers(), max_size=3).map(
     lambda decode_path: tuple(str(dp) for dp in decode_path)
 )
+ctx_dummy = dictionaries(integers(), integers(), min_size=2, max_size=4).example()
+copy_funcs = (
+    copy,
+    lambda obj: pickle_loads(pickle_dumps(obj, pickle_proto)),
+)
+self_module = import_module(__name__)
+
+
+def register_class(klass):
+    klassname = klass.__name__ + str(time()).replace(".", "")
+    klass.__name__ = klassname
+    klass.__qualname__ = klassname
+    setattr(self_module, klassname, klass)
+
+
+def assert_exceeding_data(self, call, junk):
+    if len(junk) <= 0:
+        return
+    with assertRaisesRegex(self, ExceedingData, "%d trailing bytes" % len(junk)) as err:
+        call()
+    repr(err)
 
 
 class TestHex(TestCase):
@@ -371,14 +400,16 @@ class TestBoolean(CommonMixin, TestCase):
         obj = Boolean()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = Boolean(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(booleans(), booleans(), binary(), binary())
     def test_comparison(self, value1, value2, tag1, tag2):
@@ -445,8 +476,9 @@ class TestBoolean(CommonMixin, TestCase):
     def test_copy(self, values):
         for klass in (Boolean, BooleanInherited):
             obj = klass(*values)
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
 
     @given(
         booleans(),
@@ -548,26 +580,32 @@ class TestBoolean(CommonMixin, TestCase):
                 _decoded=_decoded,
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
-            obj_expled_encoded = obj_expled.encode()
-            obj_decoded, tail = obj_expled.decode(
-                obj_expled_encoded + tail_junk,
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
+            obj_expled_hex_encoded = obj_expled.hexencode()
+            ctx_copied = deepcopy(ctx_dummy)
+            obj_decoded, tail = obj_expled.hexdecode(
+                obj_expled_hex_encoded + hexenc(tail_junk),
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
             self.assertEqual(bool(obj_decoded), bool(obj_expled))
             self.assertEqual(bool(obj_decoded), bool(obj))
-            self.assertSequenceEqual(obj_decoded.encode(), obj_expled_encoded)
+            self.assertSequenceEqual(obj_decoded.hexencode(), obj_expled_hex_encoded)
             self.assertSequenceEqual(obj_decoded.expl_tag, tag_expl)
             self.assertEqual(obj_decoded.expl_tlen, len(tag_expl))
             self.assertEqual(
@@ -581,6 +619,11 @@ class TestBoolean(CommonMixin, TestCase):
                 offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
             )
             self.assertEqual(obj_decoded.expl_offset, offset)
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.hexdecod(obj_expled_hex_encoded + hexenc(tail_junk)),
+                tail_junk,
+            )
 
     @given(integers(min_value=2))
     def test_invalid_len(self, l):
@@ -608,8 +651,13 @@ class TestBoolean(CommonMixin, TestCase):
             ctx={"bered": True},
         )
         self.assertTrue(bool(obj))
+        self.assertTrue(obj.ber_encoded)
+        self.assertFalse(obj.lenindef)
         self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
         self.assertFalse(obj.lenindef)
+        self.assertTrue(obj.bered)
 
     @given(
         integers(min_value=1).map(tag_ctxc),
@@ -617,6 +665,8 @@ class TestBoolean(CommonMixin, TestCase):
     )
     def test_ber_expl_no_eoc(self, expl, junk):
         encoded = expl + LENINDEF + Boolean(False).encode()
+        with self.assertRaises(LenIndefForm):
+            Boolean(expl=expl).decode(encoded + junk)
         with assertRaisesRegex(self, DecodeError, "no EOC"):
             Boolean(expl=expl).decode(encoded + junk, ctx={"bered": True})
         obj, tail = Boolean(expl=expl).decode(
@@ -624,7 +674,18 @@ class TestBoolean(CommonMixin, TestCase):
             ctx={"bered": True},
         )
         self.assertTrue(obj.expl_lenindef)
+        self.assertFalse(obj.lenindef)
+        self.assertFalse(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.expl_lenindef)
+        self.assertFalse(obj.lenindef)
+        self.assertFalse(obj.ber_encoded)
+        self.assertTrue(obj.bered)
         self.assertSequenceEqual(tail, junk)
+        repr(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(
         integers(min_value=1).map(tag_ctxc),
@@ -647,6 +708,8 @@ class TestBoolean(CommonMixin, TestCase):
 
         class SeqOf(SequenceOf):
             schema = Boolean(expl=expl)
+        with self.assertRaises(LenIndefForm):
+            SeqOf().decode(encoded)
         seqof, tail = SeqOf().decode(encoded, ctx={"bered": True})
         self.assertSequenceEqual(tail, b"")
         self.assertSequenceEqual([bool(v) for v in seqof], values)
@@ -657,9 +720,10 @@ class TestBoolean(CommonMixin, TestCase):
                     v.expl_tlvlen,
                     v.expl_tlen,
                     v.expl_llen,
-                    v.bered,
+                    v.ber_encoded,
                     v.lenindef,
                     v.expl_lenindef,
+                    v.bered,
                 ) for v in seqof
             ),
             set(((
@@ -670,8 +734,12 @@ class TestBoolean(CommonMixin, TestCase):
                 False,
                 False,
                 True,
+                True,
             ),)),
         )
+        repr(seqof)
+        list(seqof.pps())
+        pprint(seqof, big_blobs=True, with_decode_path=True)
 
 
 @composite
@@ -750,14 +818,16 @@ class TestInteger(CommonMixin, TestCase):
         obj = Integer()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = Integer(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         hash(obj)
 
     @given(integers(), integers(), binary(), binary())
@@ -905,12 +975,13 @@ class TestInteger(CommonMixin, TestCase):
     def test_copy(self, values):
         for klass in (Integer, IntegerInherited):
             obj = klass(*values)
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj.specs, obj_copied.specs)
-            self.assertEqual(obj._bound_min, obj_copied._bound_min)
-            self.assertEqual(obj._bound_max, obj_copied._bound_max)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj.specs, obj_copied.specs)
+                self.assertEqual(obj._bound_min, obj_copied._bound_min)
+                self.assertEqual(obj._bound_max, obj_copied._bound_max)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @given(
         integers(),
@@ -1007,20 +1078,26 @@ class TestInteger(CommonMixin, TestCase):
                 _decoded=_decoded,
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
@@ -1040,6 +1117,11 @@ class TestInteger(CommonMixin, TestCase):
                 offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
             )
             self.assertEqual(obj_decoded.expl_offset, offset)
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     def test_go_vectors_valid(self):
         for data, expect in ((
@@ -1094,7 +1176,7 @@ def bit_string_values_strategy(draw, schema=None, value_required=False, do_expl=
 
     def _value(value_required):
         if not value_required and draw(booleans()):
-            return
+            return None
         generation_choice = 0
         if value_required:
             generation_choice = draw(sampled_from((1, 2, 3)))
@@ -1103,9 +1185,9 @@ def bit_string_values_strategy(draw, schema=None, value_required=False, do_expl=
                 sampled_from(("0", "1")),
                 max_size=len(schema),
             )))
-        elif generation_choice == 2 or draw(booleans()):
+        if generation_choice == 2 or draw(booleans()):
             return draw(binary(max_size=len(schema) // 8))
-        elif generation_choice == 3 or draw(booleans()):
+        if generation_choice == 3 or draw(booleans()):
             return tuple(draw(lists(sampled_from([name for name, _ in schema]))))
         return None
     value = _value(value_required)
@@ -1211,14 +1293,16 @@ class TestBitString(CommonMixin, TestCase):
         obj = BitString()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = BitString(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(
         tuples(integers(min_value=0), binary()),
@@ -1297,6 +1381,7 @@ class TestBitString(CommonMixin, TestCase):
 
             class BS(klass):
                 schema = _schema
+            register_class(BS)
             obj = BS(
                 value=value,
                 impl=impl,
@@ -1305,10 +1390,11 @@ class TestBitString(CommonMixin, TestCase):
                 optional=optional or False,
                 _decoded=_decoded,
             )
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj.specs, obj_copied.specs)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj.specs, obj_copied.specs)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @given(
         binary(),
@@ -1385,20 +1471,26 @@ class TestBitString(CommonMixin, TestCase):
                 _decoded=_decoded,
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
@@ -1422,6 +1514,11 @@ class TestBitString(CommonMixin, TestCase):
                 self.assertSetEqual(set(value), set(obj_decoded.named))
                 for name in value:
                     obj_decoded[name]
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     @given(integers(min_value=1, max_value=255))
     def test_bad_zero_value(self, pad_size):
@@ -1538,9 +1635,17 @@ class TestBitString(CommonMixin, TestCase):
             self.assertSequenceEqual(tail, junk)
             self.assertEqual(obj.bit_len, bit_len_expected)
             self.assertSequenceEqual(bytes(obj), payload_expected)
+            self.assertTrue(obj.ber_encoded)
+            self.assertEqual(obj.lenindef, lenindef_expected)
             self.assertTrue(obj.bered)
+            obj = copy(obj)
+            self.assertTrue(obj.ber_encoded)
             self.assertEqual(obj.lenindef, lenindef_expected)
+            self.assertTrue(obj.bered)
             self.assertEqual(len(encoded), obj.tlvlen)
+            repr(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(
         integers(min_value=0),
@@ -1669,8 +1774,13 @@ class TestBitString(CommonMixin, TestCase):
         )
         self.assertSequenceEqual(tail, b"")
         self.assertEqual(obj, vector)
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.lenindef)
         self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
         self.assertTrue(obj.lenindef)
+        self.assertTrue(obj.bered)
 
 
 @composite
@@ -1728,14 +1838,16 @@ class TestOctetString(CommonMixin, TestCase):
         obj = OctetString()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = OctetString(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(binary(), binary(), binary(min_size=1), binary(min_size=1))
     def test_comparison(self, value1, value2, tag1, tag2):
@@ -1862,11 +1974,12 @@ class TestOctetString(CommonMixin, TestCase):
     def test_copy(self, values):
         for klass in (OctetString, OctetStringInherited):
             obj = klass(*values)
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj._bound_min, obj_copied._bound_min)
-            self.assertEqual(obj._bound_max, obj_copied._bound_max)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj._bound_min, obj_copied._bound_min)
+                self.assertEqual(obj._bound_max, obj_copied._bound_max)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @given(
         binary(),
@@ -1956,20 +2069,26 @@ class TestOctetString(CommonMixin, TestCase):
                 _decoded=_decoded,
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
@@ -1989,6 +2108,11 @@ class TestOctetString(CommonMixin, TestCase):
                 offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
             )
             self.assertEqual(obj_decoded.expl_offset, offset)
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     @given(
         integers(min_value=1, max_value=30),
@@ -2047,9 +2171,17 @@ class TestOctetString(CommonMixin, TestCase):
             )
             self.assertSequenceEqual(tail, junk)
             self.assertSequenceEqual(bytes(obj), payload_expected)
+            self.assertTrue(obj.ber_encoded)
+            self.assertEqual(obj.lenindef, lenindef_expected)
             self.assertTrue(obj.bered)
+            obj = copy(obj)
+            self.assertTrue(obj.ber_encoded)
             self.assertEqual(obj.lenindef, lenindef_expected)
+            self.assertTrue(obj.bered)
             self.assertEqual(len(encoded), obj.tlvlen)
+            repr(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(
         integers(min_value=0),
@@ -2135,7 +2267,8 @@ class TestNull(CommonMixin, TestCase):
         obj = Null()
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(binary(), binary())
     def test_comparison(self, tag1, tag2):
@@ -2184,8 +2317,9 @@ class TestNull(CommonMixin, TestCase):
                 optional=optional or False,
                 _decoded=_decoded,
             )
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
 
     @given(integers(min_value=1).map(tag_encode))
     def test_stripped(self, tag_impl):
@@ -2248,20 +2382,26 @@ class TestNull(CommonMixin, TestCase):
             _, _, optional, _decoded = values
             obj = klass(optional=optional, _decoded=_decoded)
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
@@ -2279,6 +2419,11 @@ class TestNull(CommonMixin, TestCase):
                 offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
             )
             self.assertEqual(obj_decoded.expl_offset, offset)
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     @given(integers(min_value=1))
     def test_invalid_len(self, l):
@@ -2342,14 +2487,17 @@ class TestObjectIdentifier(CommonMixin, TestCase):
         obj = ObjectIdentifier()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = ObjectIdentifier(value)
         self.assertTrue(obj.ready)
+        self.assertFalse(obj.ber_encoded)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         hash(obj)
 
     @given(oid_strategy(), oid_strategy(), binary(), binary())
@@ -2446,9 +2594,10 @@ class TestObjectIdentifier(CommonMixin, TestCase):
                 optional=optional,
                 _decoded=_decoded,
             )
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
     @given(
@@ -2555,7 +2704,7 @@ class TestObjectIdentifier(CommonMixin, TestCase):
         self.assertEqual(obj, ObjectIdentifier(".".join(str(arc) for arc in oid)))
         str(obj)
         repr(obj)
-        pprint(obj)
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
     @given(
@@ -2575,20 +2724,26 @@ class TestObjectIdentifier(CommonMixin, TestCase):
                 _decoded=_decoded,
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertNotEqual(obj_decoded, obj)
@@ -2608,6 +2763,11 @@ class TestObjectIdentifier(CommonMixin, TestCase):
                 offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
             )
             self.assertEqual(obj_decoded.expl_offset, offset)
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     @given(
         oid_strategy().map(ObjectIdentifier),
@@ -2651,6 +2811,77 @@ class TestObjectIdentifier(CommonMixin, TestCase):
             ObjectIdentifier((2, 999, 3)),
         )
 
+    def test_nonnormalized_first_arc(self):
+        tampered = (
+            ObjectIdentifier.tag_default +
+            len_encode(2) +
+            b'\x80' +
+            ObjectIdentifier((1, 0)).encode()[-1:]
+        )
+        obj, _ = ObjectIdentifier().decode(tampered, ctx={"bered": True})
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        with assertRaisesRegex(self, DecodeError, "non normalized arc encoding"):
+            ObjectIdentifier().decode(tampered)
+
+    @given(data_strategy())
+    def test_negative_arcs(self, d):
+        oid = list(d.draw(oid_strategy()))
+        if len(oid) == 2:
+            return
+        idx = d.draw(integers(min_value=3, max_value=len(oid)))
+        oid[idx - 1] *= -1
+        if oid[idx - 1] == 0:
+            oid[idx - 1] = -1
+        with self.assertRaises(InvalidOID):
+            ObjectIdentifier(tuple(oid))
+        with self.assertRaises(InvalidOID):
+            ObjectIdentifier(".".join(str(i) for i in oid))
+
+    @given(data_strategy())
+    def test_plused_arcs(self, d):
+        oid = [str(arc) for arc in d.draw(oid_strategy())]
+        idx = d.draw(integers(min_value=0, max_value=len(oid)))
+        oid[idx - 1] = "+" + oid[idx - 1]
+        with self.assertRaises(InvalidOID):
+            ObjectIdentifier(".".join(str(i) for i in oid))
+
+    @given(data_strategy())
+    def test_nonnormalized_arcs(self, d):
+        arcs = d.draw(lists(
+            integers(min_value=0, max_value=100),
+            min_size=1,
+            max_size=5,
+        ))
+        dered = ObjectIdentifier((1, 0) + tuple(arcs)).encode()
+        _, _, lv = tag_strip(dered)
+        _, _, v = len_decode(lv)
+        v_no_first_arc = v[1:]
+        idx_for_tamper = d.draw(integers(
+            min_value=0,
+            max_value=len(v_no_first_arc) - 1,
+        ))
+        tampered = list(bytearray(v_no_first_arc))
+        for _ in range(d.draw(integers(min_value=1, max_value=3))):
+            tampered.insert(idx_for_tamper, 0x80)
+        tampered = bytes(bytearray(tampered))
+        tampered = (
+            ObjectIdentifier.tag_default +
+            len_encode(len(tampered)) +
+            tampered
+        )
+        obj, _ = ObjectIdentifier().decode(tampered, ctx={"bered": True})
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        with assertRaisesRegex(self, DecodeError, "non normalized arc encoding"):
+            ObjectIdentifier().decode(tampered)
+
 
 @composite
 def enumerated_values_strategy(draw, schema=None, do_expl=False):
@@ -2728,14 +2959,16 @@ class TestEnumerated(CommonMixin, TestCase):
         obj = self.base_klass()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = self.base_klass("whatever")
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(integers(), integers(), binary(), binary())
     def test_comparison(self, value1, value2, tag1, tag2):
@@ -2829,6 +3062,7 @@ class TestEnumerated(CommonMixin, TestCase):
 
         class E(Enumerated):
             schema = schema_input
+        register_class(E)
         obj = E(
             value=value,
             impl=impl,
@@ -2837,9 +3071,10 @@ class TestEnumerated(CommonMixin, TestCase):
             optional=optional,
             _decoded=_decoded,
         )
-        obj_copied = obj.copy()
-        self.assert_copied_basic_fields(obj, obj_copied)
-        self.assertEqual(obj.specs, obj_copied.specs)
+        for copy_func in copy_funcs:
+            obj_copied = copy_func(obj)
+            self.assert_copied_basic_fields(obj, obj_copied)
+            self.assertEqual(obj.specs, obj_copied.specs)
 
     @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
     @given(data_strategy())
@@ -2861,20 +3096,26 @@ class TestEnumerated(CommonMixin, TestCase):
             _decoded=_decoded,
         )
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertFalse(obj.expled)
         obj_encoded = obj.encode()
         obj_expled = obj(value, expl=tag_expl)
         self.assertTrue(obj_expled.expled)
         repr(obj_expled)
-        pprint(obj_expled)
+        list(obj_expled.pps())
+        pprint(obj_expled, big_blobs=True, with_decode_path=True)
         obj_expled_encoded = obj_expled.encode()
+        ctx_copied = deepcopy(ctx_dummy)
         obj_decoded, tail = obj_expled.decode(
             obj_expled_encoded + tail_junk,
             offset=offset,
+            ctx=ctx_copied,
         )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         repr(obj_decoded)
-        pprint(obj_decoded)
+        list(obj_decoded.pps())
+        pprint(obj_decoded, big_blobs=True, with_decode_path=True)
         self.assertEqual(tail, tail_junk)
         self.assertEqual(obj_decoded, obj_expled)
         self.assertNotEqual(obj_decoded, obj)
@@ -2894,6 +3135,11 @@ class TestEnumerated(CommonMixin, TestCase):
             offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
         )
         self.assertEqual(obj_decoded.expl_offset, offset)
+        assert_exceeding_data(
+            self,
+            lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+            tail_junk,
+        )
 
 
 @composite
@@ -2950,7 +3196,8 @@ class StringMixin(object):
         obj = self.base_klass()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         text_type(obj)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
@@ -2959,7 +3206,8 @@ class StringMixin(object):
         obj = self.base_klass(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         text_type(obj)
 
     @given(data_strategy())
@@ -3090,11 +3338,12 @@ class StringMixin(object):
     def test_copy(self, d):
         values = d.draw(string_values_strategy(self.text_alphabet()))
         obj = self.base_klass(*values)
-        obj_copied = obj.copy()
-        self.assert_copied_basic_fields(obj, obj_copied)
-        self.assertEqual(obj._bound_min, obj_copied._bound_min)
-        self.assertEqual(obj._bound_max, obj_copied._bound_max)
-        self.assertEqual(obj._value, obj_copied._value)
+        for copy_func in copy_funcs:
+            obj_copied = copy_func(obj)
+            self.assert_copied_basic_fields(obj, obj_copied)
+            self.assertEqual(obj._bound_min, obj_copied._bound_min)
+            self.assertEqual(obj._bound_max, obj_copied._bound_max)
+            self.assertEqual(obj._value, obj_copied._value)
 
     @given(data_strategy())
     def test_stripped(self, d):
@@ -3181,20 +3430,26 @@ class StringMixin(object):
             _decoded=_decoded,
         )
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertFalse(obj.expled)
         obj_encoded = obj.encode()
         obj_expled = obj(value, expl=tag_expl)
         self.assertTrue(obj_expled.expled)
         repr(obj_expled)
-        pprint(obj_expled)
+        list(obj_expled.pps())
+        pprint(obj_expled, big_blobs=True, with_decode_path=True)
         obj_expled_encoded = obj_expled.encode()
+        ctx_copied = deepcopy(ctx_dummy)
         obj_decoded, tail = obj_expled.decode(
             obj_expled_encoded + tail_junk,
             offset=offset,
+            ctx=ctx_copied,
         )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         repr(obj_decoded)
-        pprint(obj_decoded)
+        list(obj_decoded.pps())
+        pprint(obj_decoded, big_blobs=True, with_decode_path=True)
         self.assertEqual(tail, tail_junk)
         self.assertEqual(obj_decoded, obj_expled)
         self.assertNotEqual(obj_decoded, obj)
@@ -3216,18 +3471,26 @@ class StringMixin(object):
             offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
         )
         self.assertEqual(obj_decoded.expl_offset, offset)
+        assert_exceeding_data(
+            self,
+            lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+            tail_junk,
+        )
 
 
 class TestUTF8String(StringMixin, CommonMixin, TestCase):
     base_klass = UTF8String
 
 
+cyrillic_letters = text(
+    alphabet="".join(six_unichr(i) for i in list(range(0x0410, 0x044f + 1))),
+    min_size=1,
+    max_size=5,
+)
+
+
 class UnicodeDecodeErrorMixin(object):
-    @given(text(
-        alphabet="".join(six_unichr(i) for i in list(range(0x0410, 0x044f + 1))),
-        min_size=1,
-        max_size=5,
-    ))
+    @given(cyrillic_letters)
     def test_unicode_decode_error(self, cyrillic_text):
         with self.assertRaises(DecodeError):
             self.base_klass(cyrillic_text)
@@ -3237,12 +3500,12 @@ class TestNumericString(StringMixin, CommonMixin, TestCase):
     base_klass = NumericString
 
     def text_alphabet(self):
-        return digits
+        return digits + " "
 
     @given(text(alphabet=ascii_letters, min_size=1, max_size=5))
-    def test_non_numeric(self, cyrillic_text):
+    def test_non_numeric(self, non_numeric_text):
         with assertRaisesRegex(self, DecodeError, "non-numeric"):
-            self.base_klass(cyrillic_text)
+            self.base_klass(non_numeric_text)
 
     @given(
         sets(integers(min_value=0, max_value=10), min_size=2, max_size=2),
@@ -3273,6 +3536,57 @@ class TestPrintableString(
 ):
     base_klass = PrintableString
 
+    def text_alphabet(self):
+        return ascii_letters + digits + " '()+,-./:=?"
+
+    @given(text(alphabet=sorted(set(whitespace) - set(" ")), min_size=1, max_size=5))
+    def test_non_printable(self, non_printable_text):
+        with assertRaisesRegex(self, DecodeError, "non-printable"):
+            self.base_klass(non_printable_text)
+
+    @given(
+        sets(integers(min_value=0, max_value=10), min_size=2, max_size=2),
+        integers(min_value=0),
+        decode_path_strat,
+    )
+    def test_invalid_bounds_while_decoding(self, ints, offset, decode_path):
+        value, bound_min = list(sorted(ints))
+
+        class String(self.base_klass):
+            bounds = (bound_min, bound_min)
+        with self.assertRaises(DecodeError) as err:
+            String().decode(
+                self.base_klass(b"1" * value).encode(),
+                offset=offset,
+                decode_path=decode_path,
+            )
+        repr(err.exception)
+        self.assertEqual(err.exception.offset, offset)
+        self.assertEqual(err.exception.decode_path, decode_path)
+
+    def test_allowable_invalid_chars(self):
+        for c, kwargs in (
+                ("*", {"allow_asterisk": True}),
+                ("&", {"allow_ampersand": True}),
+                ("&*", {"allow_asterisk": True, "allow_ampersand": True}),
+        ):
+            s = "hello invalid"
+            obj = self.base_klass(s)
+            for prop in kwargs.keys():
+                self.assertFalse(getattr(obj, prop))
+            s += c
+            with assertRaisesRegex(self, DecodeError, "non-printable"):
+                self.base_klass(s)
+            self.base_klass(s, **kwargs)
+            klass = self.base_klass(**kwargs)
+            obj = klass(s)
+            for prop in kwargs.keys():
+                self.assertTrue(getattr(obj, prop))
+            obj = copy(obj)
+            obj(s)
+            for prop in kwargs.keys():
+                self.assertTrue(getattr(obj, prop))
+
 
 class TestTeletexString(
         UnicodeDecodeErrorMixin,
@@ -3322,8 +3636,9 @@ class TestVisibleString(
         obj, tail = VisibleString().decode(hexdec("1A054A6F6E6573"))
         self.assertSequenceEqual(tail, b"")
         self.assertEqual(str(obj), "Jones")
-        self.assertFalse(obj.bered)
+        self.assertFalse(obj.ber_encoded)
         self.assertFalse(obj.lenindef)
+        self.assertFalse(obj.bered)
 
         obj, tail = VisibleString().decode(
             hexdec("3A0904034A6F6E04026573"),
@@ -3331,8 +3646,13 @@ class TestVisibleString(
         )
         self.assertSequenceEqual(tail, b"")
         self.assertEqual(str(obj), "Jones")
+        self.assertTrue(obj.ber_encoded)
+        self.assertFalse(obj.lenindef)
         self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
         self.assertFalse(obj.lenindef)
+        self.assertTrue(obj.bered)
 
         obj, tail = VisibleString().decode(
             hexdec("3A8004034A6F6E040265730000"),
@@ -3340,8 +3660,13 @@ class TestVisibleString(
         )
         self.assertSequenceEqual(tail, b"")
         self.assertEqual(str(obj), "Jones")
+        self.assertTrue(obj.ber_encoded)
+        self.assertTrue(obj.lenindef)
         self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.ber_encoded)
         self.assertTrue(obj.lenindef)
+        self.assertTrue(obj.bered)
 
 
 class TestGeneralString(
@@ -3415,15 +3740,20 @@ class TimeMixin(object):
         obj = self.base_klass()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
-        value = d.draw(datetimes(min_value=self.min_datetime))
+        value = d.draw(datetimes(
+            min_value=self.min_datetime,
+            max_value=self.max_datetime,
+        ))
         obj = self.base_klass(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(data_strategy())
     def test_comparison(self, d):
@@ -3520,9 +3850,10 @@ class TimeMixin(object):
             max_datetime=self.max_datetime,
         ))
         obj = self.base_klass(*values)
-        obj_copied = obj.copy()
-        self.assert_copied_basic_fields(obj, obj_copied)
-        self.assertEqual(obj._value, obj_copied._value)
+        for copy_func in copy_funcs:
+            obj_copied = copy_func(obj)
+            self.assert_copied_basic_fields(obj, obj_copied)
+            self.assertEqual(obj._value, obj_copied._value)
 
     @given(data_strategy())
     def test_stripped(self, d):
@@ -3568,20 +3899,27 @@ class TimeMixin(object):
             _decoded=_decoded,
         )
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertFalse(obj.expled)
         obj_encoded = obj.encode()
+        self.additional_symmetric_check(value, obj_encoded)
         obj_expled = obj(value, expl=tag_expl)
         self.assertTrue(obj_expled.expled)
         repr(obj_expled)
-        pprint(obj_expled)
+        list(obj_expled.pps())
+        pprint(obj_expled, big_blobs=True, with_decode_path=True)
         obj_expled_encoded = obj_expled.encode()
+        ctx_copied = deepcopy(ctx_dummy)
         obj_decoded, tail = obj_expled.decode(
             obj_expled_encoded + tail_junk,
             offset=offset,
+            ctx=ctx_copied,
         )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         repr(obj_decoded)
-        pprint(obj_decoded)
+        list(obj_decoded.pps())
+        pprint(obj_decoded, big_blobs=True, with_decode_path=True)
         self.assertEqual(tail, tail_junk)
         self.assertEqual(obj_decoded, obj_expled)
         self.assertEqual(obj_decoded.todatetime(), obj_expled.todatetime())
@@ -3600,6 +3938,11 @@ class TimeMixin(object):
             offset + obj_decoded.expl_tlen + obj_decoded.expl_llen,
         )
         self.assertEqual(obj_decoded.expl_offset, offset)
+        assert_exceeding_data(
+            self,
+            lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+            tail_junk,
+        )
 
 
 class TestGeneralizedTime(TimeMixin, CommonMixin, TestCase):
@@ -3608,6 +3951,28 @@ class TestGeneralizedTime(TimeMixin, CommonMixin, TestCase):
     min_datetime = datetime(1900, 1, 1)
     max_datetime = datetime(9999, 12, 31)
 
+    def additional_symmetric_check(self, value, obj_encoded):
+        if value.microsecond > 0:
+            self.assertFalse(obj_encoded.endswith(b"0Z"))
+
+    def test_x690_vector_valid(self):
+        for data in ((
+                b"19920521000000Z",
+                b"19920622123421Z",
+                b"19920722132100.3Z",
+        )):
+            GeneralizedTime(data)
+
+    def test_x690_vector_invalid(self):
+        for data in ((
+                b"19920520240000Z",
+                b"19920622123421.0Z",
+                b"19920722132100.30Z",
+        )):
+            with self.assertRaises(DecodeError) as err:
+                GeneralizedTime(data)
+            repr(err.exception)
+
     def test_go_vectors_invalid(self):
         for data in ((
                 b"20100102030405",
@@ -3684,6 +4049,40 @@ class TestGeneralizedTime(TimeMixin, CommonMixin, TestCase):
                 junk
             )
 
+    def test_ns_fractions(self):
+        GeneralizedTime(b"20010101000000.000001Z")
+        with assertRaisesRegex(self, DecodeError, "only microsecond fractions"):
+            GeneralizedTime(b"20010101000000.0000001Z")
+
+    def test_non_pure_integers(self):
+        for data in ((
+                # b"20000102030405Z,
+                b"+2000102030405Z",
+                b"2000+102030405Z",
+                b"200001+2030405Z",
+                b"20000102+30405Z",
+                b"2000010203+405Z",
+                b"200001020304+5Z",
+                b"20000102030405.+6Z",
+                b"20000102030405.-6Z",
+                b" 2000102030405Z",
+                b"2000 102030405Z",
+                b"200001 2030405Z",
+                b"20000102 30405Z",
+                b"2000010203 405Z",
+                b"200001020304 5Z",
+                b"20000102030405. 6Z",
+                b"200 0102030405Z",
+                b"20001 02030405Z",
+                b"2000012 030405Z",
+                b"200001023 0405Z",
+                b"20000102034 05Z",
+                b"2000010203045 Z",
+                b"20000102030405.6 Z",
+        )):
+            with self.assertRaises(DecodeError):
+                GeneralizedTime(data)
+
 
 class TestUTCTime(TimeMixin, CommonMixin, TestCase):
     base_klass = UTCTime
@@ -3691,6 +4090,26 @@ class TestUTCTime(TimeMixin, CommonMixin, TestCase):
     min_datetime = datetime(2000, 1, 1)
     max_datetime = datetime(2049, 12, 31)
 
+    def additional_symmetric_check(self, value, obj_encoded):
+        pass
+
+    def test_x690_vector_valid(self):
+        for data in ((
+                b"920521000000Z",
+                b"920622123421Z",
+                b"920722132100Z",
+        )):
+            UTCTime(data)
+
+    def test_x690_vector_invalid(self):
+        for data in ((
+                b"920520240000Z",
+                b"9207221321Z",
+        )):
+            with self.assertRaises(DecodeError) as err:
+                UTCTime(data)
+            repr(err.exception)
+
     def test_go_vectors_invalid(self):
         for data in ((
                 b"a10506234540Z",
@@ -3734,6 +4153,31 @@ class TestUTCTime(TimeMixin, CommonMixin, TestCase):
             datetime(1991, 5, 6, 23, 45, 40, 0),
         )
 
+    def test_non_pure_integers(self):
+        for data in ((
+                # b"000102030405Z",
+                b"+10102030405Z",
+                b"00+102030405Z",
+                b"0001+2030405Z",
+                b"000102+30405Z",
+                b"00010203+405Z",
+                b"0001020304+5Z",
+                b" 10102030405Z",
+                b"00 102030405Z",
+                b"0001 2030405Z",
+                b"000102 30405Z",
+                b"00010203 405Z",
+                b"0001020304 5Z",
+                b"1 0102030405Z",
+                b"001 02030405Z",
+                b"00012 030405Z",
+                b"0001023 0405Z",
+                b"000102034 05Z",
+                b"00010203045 Z",
+        )):
+            with self.assertRaises(DecodeError):
+                UTCTime(data)
+
     @given(integers(min_value=0, max_value=49))
     def test_pre50(self, year):
         self.assertEqual(
@@ -3807,14 +4251,16 @@ class TestAny(CommonMixin, TestCase):
         obj = Any()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
         repr(err.exception)
         obj = Any(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(integers())
     def test_basic(self, value):
@@ -3830,7 +4276,8 @@ class TestAny(CommonMixin, TestCase):
                 len(integer_encoded),
             )
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertSequenceEqual(obj.encode(), integer_encoded)
 
     @given(binary(), binary())
@@ -3885,9 +4332,10 @@ class TestAny(CommonMixin, TestCase):
     def test_copy(self, values):
         for klass in (Any, AnyInherited):
             obj = klass(*values)
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @given(binary().map(OctetString))
     def test_stripped(self, value):
@@ -3949,20 +4397,26 @@ class TestAny(CommonMixin, TestCase):
             _, _, optional, _decoded = values
             obj = klass(value=value, optional=optional, _decoded=_decoded)
             repr(obj)
-            pprint(obj)
+            list(obj.pps())
+            pprint(obj, big_blobs=True, with_decode_path=True)
             self.assertFalse(obj.expled)
             obj_encoded = obj.encode()
             obj_expled = obj(value, expl=tag_expl)
             self.assertTrue(obj_expled.expled)
             repr(obj_expled)
-            pprint(obj_expled)
+            list(obj_expled.pps())
+            pprint(obj_expled, big_blobs=True, with_decode_path=True)
             obj_expled_encoded = obj_expled.encode()
+            ctx_copied = deepcopy(ctx_dummy)
             obj_decoded, tail = obj_expled.decode(
                 obj_expled_encoded + tail_junk,
                 offset=offset,
+                ctx=ctx_copied,
             )
+            self.assertDictEqual(ctx_copied, ctx_dummy)
             repr(obj_decoded)
-            pprint(obj_decoded)
+            list(obj_decoded.pps())
+            pprint(obj_decoded, big_blobs=True, with_decode_path=True)
             self.assertEqual(tail, tail_junk)
             self.assertEqual(obj_decoded, obj_expled)
             self.assertEqual(bytes(obj_decoded), bytes(obj_expled))
@@ -3984,6 +4438,11 @@ class TestAny(CommonMixin, TestCase):
             self.assertEqual(obj_decoded.tlen, 0)
             self.assertEqual(obj_decoded.llen, 0)
             self.assertEqual(obj_decoded.vlen, len(value))
+            assert_exceeding_data(
+                self,
+                lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+                tail_junk,
+            )
 
     @given(
         integers(min_value=1).map(tag_ctxc),
@@ -4000,6 +4459,12 @@ class TestAny(CommonMixin, TestCase):
             b"".join([chunk] * chunks) +
             EOC
         )
+        with self.assertRaises(LenIndefForm):
+            Any().decode(
+                encoded + junk,
+                offset=offset,
+                decode_path=decode_path,
+            )
         obj, tail = Any().decode(
             encoded + junk,
             offset=offset,
@@ -4009,6 +4474,16 @@ class TestAny(CommonMixin, TestCase):
         self.assertSequenceEqual(tail, junk)
         self.assertEqual(obj.offset, offset)
         self.assertEqual(obj.tlvlen, len(encoded))
+        self.assertTrue(obj.lenindef)
+        self.assertFalse(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        obj = copy(obj)
+        self.assertTrue(obj.lenindef)
+        self.assertFalse(obj.ber_encoded)
+        self.assertTrue(obj.bered)
+        repr(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         with self.assertRaises(NotEnoughData) as err:
             Any().decode(
                 encoded[:-1],
@@ -4019,6 +4494,47 @@ class TestAny(CommonMixin, TestCase):
         self.assertEqual(err.exception.offset, offset + 1 + 1 + len(chunk) * chunks)
         self.assertEqual(err.exception.decode_path, decode_path + (str(chunks),))
 
+        class SeqOf(SequenceOf):
+            schema = Boolean(expl=expl)
+
+        class Seq(Sequence):
+            schema = (
+                ("type", ObjectIdentifier(defines=((("value",), {
+                    ObjectIdentifier("1.2.3"): SeqOf(impl=OctetString.tag_default),
+                }),))),
+                ("value", Any()),
+            )
+        seq = Seq((
+            ("type", ObjectIdentifier("1.2.3")),
+            ("value", Any(encoded)),
+        ))
+        seq_encoded = seq.encode()
+        seq_decoded, _ = Seq().decode(seq_encoded, ctx={"bered": True})
+        self.assertIsNotNone(seq_decoded["value"].defined)
+        repr(seq_decoded)
+        list(seq_decoded.pps())
+        pprint(seq_decoded, big_blobs=True, with_decode_path=True)
+        self.assertTrue(seq_decoded.bered)
+        self.assertFalse(seq_decoded["type"].bered)
+        self.assertTrue(seq_decoded["value"].bered)
+
+        chunk = chunk[:-1] + b"\x01"
+        chunks = b"".join([chunk] * (chunks + 1))
+        encoded = OctetString.tag_default + len_encode(len(chunks)) + chunks
+        seq = Seq((
+            ("type", ObjectIdentifier("1.2.3")),
+            ("value", Any(encoded)),
+        ))
+        seq_encoded = seq.encode()
+        seq_decoded, _ = Seq().decode(seq_encoded, ctx={"bered": True})
+        self.assertIsNotNone(seq_decoded["value"].defined)
+        repr(seq_decoded)
+        list(seq_decoded.pps())
+        pprint(seq_decoded, big_blobs=True, with_decode_path=True)
+        self.assertTrue(seq_decoded.bered)
+        self.assertFalse(seq_decoded["type"].bered)
+        self.assertTrue(seq_decoded["value"].bered)
+
 
 @composite
 def choice_values_strategy(draw, value_required=False, schema=None, do_expl=False):
@@ -4099,7 +4615,8 @@ class TestChoice(CommonMixin, TestCase):
         obj = self.base_klass()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertIsNone(obj["whatever"])
         with self.assertRaises(ObjNotReady) as err:
             obj.encode()
@@ -4107,11 +4624,13 @@ class TestChoice(CommonMixin, TestCase):
         obj["whatever"] = Boolean()
         self.assertFalse(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         obj["whatever"] = Boolean(value)
         self.assertTrue(obj.ready)
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
 
     @given(booleans(), booleans())
     def test_comparison(self, value1, value2):
@@ -4190,6 +4709,7 @@ class TestChoice(CommonMixin, TestCase):
 
         class Wahl(self.base_klass):
             schema = _schema
+        register_class(Wahl)
         obj = Wahl(
             value=value,
             expl=expl,
@@ -4197,15 +4717,17 @@ class TestChoice(CommonMixin, TestCase):
             optional=optional or False,
             _decoded=_decoded,
         )
-        obj_copied = obj.copy()
-        self.assertIsNone(obj.tag)
-        self.assertIsNone(obj_copied.tag)
-        # hack for assert_copied_basic_fields
-        obj.tag = "whatever"
-        obj_copied.tag = "whatever"
-        self.assert_copied_basic_fields(obj, obj_copied)
-        self.assertEqual(obj._value, obj_copied._value)
-        self.assertEqual(obj.specs, obj_copied.specs)
+        for copy_func in copy_funcs:
+            obj_copied = copy_func(obj)
+            self.assertIsNone(obj.tag)
+            self.assertIsNone(obj_copied.tag)
+            # hack for assert_copied_basic_fields
+            obj.tag = "whatever"
+            obj_copied.tag = "whatever"
+            self.assert_copied_basic_fields(obj, obj_copied)
+            obj.tag = None
+            self.assertEqual(obj._value, obj_copied._value)
+            self.assertEqual(obj.specs, obj_copied.specs)
 
     @given(booleans())
     def test_stripped(self, value):
@@ -4241,20 +4763,26 @@ class TestChoice(CommonMixin, TestCase):
             _decoded=_decoded,
         )
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertFalse(obj.expled)
         obj_encoded = obj.encode()
         obj_expled = obj(value, expl=tag_expl)
         self.assertTrue(obj_expled.expled)
         repr(obj_expled)
-        pprint(obj_expled)
+        list(obj_expled.pps())
+        pprint(obj_expled, big_blobs=True, with_decode_path=True)
         obj_expled_encoded = obj_expled.encode()
+        ctx_copied = deepcopy(ctx_dummy)
         obj_decoded, tail = obj_expled.decode(
             obj_expled_encoded + tail_junk,
             offset=offset,
+            ctx=ctx_copied,
         )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         repr(obj_decoded)
-        pprint(obj_decoded)
+        list(obj_decoded.pps())
+        pprint(obj_decoded, big_blobs=True, with_decode_path=True)
         self.assertEqual(tail, tail_junk)
         self.assertEqual(obj_decoded, obj_expled)
         self.assertEqual(obj_decoded.choice, obj_expled.choice)
@@ -4282,6 +4810,11 @@ class TestChoice(CommonMixin, TestCase):
             ],
             obj_encoded,
         )
+        assert_exceeding_data(
+            self,
+            lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+            tail_junk,
+        )
 
     @given(integers())
     def test_set_get(self, value):
@@ -4341,15 +4874,13 @@ def seq_values_strategy(draw, seq_klass, do_expl=False):
     value = None
     if draw(booleans()):
         value = seq_klass()
-        value._value = {
-            k: v for k, v in draw(dictionaries(
-                integers(),
-                one_of(
-                    booleans().map(Boolean),
-                    integers().map(Integer),
-                ),
-            )).items()
-        }
+        value._value = draw(dictionaries(
+            integers(),
+            one_of(
+                booleans().map(Boolean),
+                integers().map(Integer),
+            ),
+        ))
     schema = None
     if draw(booleans()):
         schema = list(draw(dictionaries(
@@ -4368,15 +4899,13 @@ def seq_values_strategy(draw, seq_klass, do_expl=False):
     default = None
     if draw(booleans()):
         default = seq_klass()
-        default._value = {
-            k: v for k, v in draw(dictionaries(
-                integers(),
-                one_of(
-                    booleans().map(Boolean),
-                    integers().map(Integer),
-                ),
-            )).items()
-        }
+        default._value = draw(dictionaries(
+            integers(),
+            one_of(
+                booleans().map(Boolean),
+                integers().map(Integer),
+            ),
+        ))
     optional = draw(one_of(none(), booleans()))
     _decoded = (
         draw(integers(min_value=0)),
@@ -4556,12 +5085,14 @@ class SeqMixing(object):
             seq[name] = Boolean()
         self.assertFalse(seq.ready)
         repr(seq)
-        pprint(seq)
+        list(seq.pps())
+        pprint(seq, big_blobs=True, with_decode_path=True)
         for name, value in ready.items():
             seq[name] = Boolean(value)
         self.assertFalse(seq.ready)
         repr(seq)
-        pprint(seq)
+        list(seq.pps())
+        pprint(seq, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             seq.encode()
         repr(err.exception)
@@ -4569,7 +5100,8 @@ class SeqMixing(object):
             seq[name] = Boolean(value)
         self.assertTrue(seq.ready)
         repr(seq)
-        pprint(seq)
+        list(seq.pps())
+        pprint(seq, big_blobs=True, with_decode_path=True)
 
     @given(data_strategy())
     def test_call(self, d):
@@ -4631,13 +5163,15 @@ class SeqMixing(object):
     def test_copy(self, d):
         class SeqInherited(self.base_klass):
             pass
+        register_class(SeqInherited)
         for klass in (self.base_klass, SeqInherited):
             values = d.draw(seq_values_strategy(seq_klass=klass))
             obj = klass(*values)
-            obj_copied = obj.copy()
-            self.assert_copied_basic_fields(obj, obj_copied)
-            self.assertEqual(obj.specs, obj_copied.specs)
-            self.assertEqual(obj._value, obj_copied._value)
+            for copy_func in copy_funcs:
+                obj_copied = copy_func(obj)
+                self.assert_copied_basic_fields(obj, obj_copied)
+                self.assertEqual(obj.specs, obj_copied.specs)
+                self.assertEqual(obj._value, obj_copied._value)
 
     @given(data_strategy())
     def test_stripped(self, d):
@@ -4744,26 +5278,40 @@ class SeqMixing(object):
         self.assertFalse(seq.decoded)
         self._assert_expects(seq, expects)
         repr(seq)
-        pprint(seq)
+        list(seq.pps())
+        pprint(seq, big_blobs=True, with_decode_path=True)
         self.assertTrue(seq.ready)
         seq_encoded = seq.encode()
         seq_decoded, tail = seq.decode(seq_encoded + tail_junk)
         self.assertFalse(seq_decoded.lenindef)
+        self.assertFalse(seq_decoded.ber_encoded)
+        self.assertFalse(seq_decoded.bered)
 
         t, _, lv = tag_strip(seq_encoded)
         _, _, v = len_decode(lv)
         seq_encoded_lenindef = t + LENINDEF + v + EOC
+        with self.assertRaises(DecodeError):
+            seq.decode(seq_encoded_lenindef)
+        ctx_copied = deepcopy(ctx_dummy)
+        ctx_copied["bered"] = True
         seq_decoded_lenindef, tail_lenindef = seq.decode(
             seq_encoded_lenindef + tail_junk,
-            ctx={"bered": True},
+            ctx=ctx_copied,
         )
+        del ctx_copied["bered"]
+        self.assertDictEqual(ctx_copied, ctx_dummy)
+        self.assertTrue(seq_decoded_lenindef.lenindef)
+        self.assertTrue(seq_decoded_lenindef.bered)
+        seq_decoded_lenindef = copy(seq_decoded_lenindef)
         self.assertTrue(seq_decoded_lenindef.lenindef)
+        self.assertTrue(seq_decoded_lenindef.bered)
         with self.assertRaises(DecodeError):
             seq.decode(seq_encoded_lenindef[:-1], ctx={"bered": True})
         with self.assertRaises(DecodeError):
             seq.decode(seq_encoded_lenindef[:-2], ctx={"bered": True})
         repr(seq_decoded_lenindef)
-        pprint(seq_decoded_lenindef)
+        list(seq_decoded_lenindef.pps())
+        pprint(seq_decoded_lenindef, big_blobs=True, with_decode_path=True)
         self.assertTrue(seq_decoded_lenindef.ready)
 
         for decoded, decoded_tail, encoded in (
@@ -4789,6 +5337,12 @@ class SeqMixing(object):
                     obj.encode(),
                 )
 
+        assert_exceeding_data(
+            self,
+            lambda: seq.decod(seq_encoded_lenindef + tail_junk, ctx={"bered": True}),
+            tail_junk,
+        )
+
     @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
     @given(data_strategy())
     def test_symmetric_with_seq(self, d):
@@ -4840,7 +5394,7 @@ class SeqMixing(object):
         self.assertSequenceEqual(seq.encode(), empty_seq)
 
     @given(data_strategy())
-    def test_encoded_default_accepted(self, d):
+    def test_encoded_default_not_accepted(self, d):
         _schema = list(d.draw(dictionaries(
             text_letters(),
             integers(),
@@ -4868,10 +5422,18 @@ class SeqMixing(object):
                 for (n, v), t in zip(_schema, tags)
             ]
         seq_with_default = SeqWithDefault()
-        seq_decoded, _ = seq_with_default.decode(seq_encoded)
-        for name, value in _schema:
-            self.assertEqual(seq_decoded[name], seq_with_default[name])
-            self.assertEqual(seq_decoded[name], value)
+        with assertRaisesRegex(self, DecodeError, "DEFAULT value met"):
+            seq_with_default.decode(seq_encoded)
+        for ctx in ({"bered": True}, {"allow_default_values": True}):
+            seq_decoded, _ = seq_with_default.decode(seq_encoded, ctx=ctx)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            seq_decoded = copy(seq_decoded)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            for name, value in _schema:
+                self.assertEqual(seq_decoded[name], seq_with_default[name])
+                self.assertEqual(seq_decoded[name], value)
 
     @given(data_strategy())
     def test_missing_from_spec(self, d):
@@ -4897,6 +5459,40 @@ class SeqMixing(object):
         with self.assertRaises(TagMismatch):
             seq_missing.decode(seq_encoded)
 
+    def test_bered(self):
+        class Seq(self.base_klass):
+            schema = (("underlying", Boolean()),)
+        encoded = Boolean.tag_default + len_encode(1) + b"\x01"
+        encoded = Seq.tag_default + len_encode(len(encoded)) + encoded
+        decoded, _ = Seq().decode(encoded, ctx={"bered": True})
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+        decoded = copy(decoded)
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+
+        class Seq(self.base_klass):
+            schema = (("underlying", OctetString()),)
+        encoded = (
+            tag_encode(form=TagFormConstructed, num=4) +
+            LENINDEF +
+            OctetString(b"whatever").encode() +
+            EOC
+        )
+        encoded = Seq.tag_default + len_encode(len(encoded)) + encoded
+        with self.assertRaises(DecodeError):
+            Seq().decode(encoded)
+        decoded, _ = Seq().decode(encoded, ctx={"bered": True})
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+        decoded = copy(decoded)
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+
 
 class TestSequence(SeqMixing, CommonMixin, TestCase):
     base_klass = Sequence
@@ -4967,6 +5563,39 @@ class TestSet(SeqMixing, CommonMixin, TestCase):
             b"".join(sorted([seq[name].encode() for name, _ in Seq.schema])),
         )
 
+    @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
+    @given(data_strategy())
+    def test_unsorted(self, d):
+        tags = [
+            tag_encode(tag) for tag in
+            d.draw(sets(integers(min_value=1), min_size=2, max_size=5))
+        ]
+        tags = d.draw(permutations(tags))
+        assume(tags != sorted(tags))
+        encoded = b"".join(OctetString(t, impl=t).encode() for t in tags)
+        seq_encoded = b"".join((
+            Set.tag_default,
+            len_encode(len(encoded)),
+            encoded,
+        ))
+
+        class Seq(Set):
+            schema = [(str(i), OctetString(impl=t)) for i, t in enumerate(tags)]
+        seq = Seq()
+        with assertRaisesRegex(self, DecodeError, "unordered SET"):
+            seq.decode(seq_encoded)
+        for ctx in ({"bered": True}, {"allow_unordered_set": True}):
+            seq_decoded, _ = Seq().decode(seq_encoded, ctx=ctx)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            seq_decoded = copy(seq_decoded)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            self.assertSequenceEqual(
+                [bytes(seq_decoded[str(i)]) for i, t in enumerate(tags)],
+                tags,
+            )
+
 
 @composite
 def seqof_values_strategy(draw, schema=None, do_expl=False):
@@ -5073,7 +5702,8 @@ class SeqOfMixing(object):
             seqof.append(value)
         self.assertFalse(seqof.ready)
         repr(seqof)
-        pprint(seqof)
+        list(seqof.pps())
+        pprint(seqof, big_blobs=True, with_decode_path=True)
         with self.assertRaises(ObjNotReady) as err:
             seqof.encode()
         repr(err.exception)
@@ -5083,7 +5713,8 @@ class SeqOfMixing(object):
                 seqof[i] = Integer(i)
         self.assertTrue(seqof.ready)
         repr(seqof)
-        pprint(seqof)
+        list(seqof.pps())
+        pprint(seqof, big_blobs=True, with_decode_path=True)
 
     def test_spec_mismatch(self):
         class SeqOf(self.base_klass):
@@ -5235,6 +5866,7 @@ class SeqOfMixing(object):
 
         class SeqOf(self.base_klass):
             schema = _schema
+        register_class(SeqOf)
         obj = SeqOf(
             value=value,
             bounds=bounds,
@@ -5244,11 +5876,12 @@ class SeqOfMixing(object):
             optional=optional or False,
             _decoded=_decoded,
         )
-        obj_copied = obj.copy()
-        self.assert_copied_basic_fields(obj, obj_copied)
-        self.assertEqual(obj._bound_min, obj_copied._bound_min)
-        self.assertEqual(obj._bound_max, obj_copied._bound_max)
-        self.assertEqual(obj._value, obj_copied._value)
+        for copy_func in copy_funcs:
+            obj_copied = copy_func(obj)
+            self.assert_copied_basic_fields(obj, obj_copied)
+            self.assertEqual(obj._bound_min, obj_copied._bound_min)
+            self.assertEqual(obj._bound_max, obj_copied._bound_max)
+            self.assertEqual(obj._value, obj_copied._value)
 
     @given(
         lists(binary()),
@@ -5330,20 +5963,26 @@ class SeqOfMixing(object):
             _decoded=_decoded,
         )
         repr(obj)
-        pprint(obj)
+        list(obj.pps())
+        pprint(obj, big_blobs=True, with_decode_path=True)
         self.assertFalse(obj.expled)
         obj_encoded = obj.encode()
         obj_expled = obj(value, expl=tag_expl)
         self.assertTrue(obj_expled.expled)
         repr(obj_expled)
-        pprint(obj_expled)
+        list(obj_expled.pps())
+        pprint(obj_expled, big_blobs=True, with_decode_path=True)
         obj_expled_encoded = obj_expled.encode()
+        ctx_copied = deepcopy(ctx_dummy)
         obj_decoded, tail = obj_expled.decode(
             obj_expled_encoded + tail_junk,
             offset=offset,
+            ctx=ctx_copied,
         )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         repr(obj_decoded)
-        pprint(obj_decoded)
+        list(obj_decoded.pps())
+        pprint(obj_decoded, big_blobs=True, with_decode_path=True)
         self.assertEqual(tail, tail_junk)
         self._test_symmetric_compare_objs(obj_decoded, obj_expled)
         self.assertSequenceEqual(obj_decoded.encode(), obj_expled_encoded)
@@ -5373,19 +6012,71 @@ class SeqOfMixing(object):
         t, _, lv = tag_strip(obj_encoded)
         _, _, v = len_decode(lv)
         obj_encoded_lenindef = t + LENINDEF + v + EOC
+        with self.assertRaises(DecodeError):
+            obj.decode(obj_encoded_lenindef)
         obj_decoded_lenindef, tail_lenindef = obj.decode(
             obj_encoded_lenindef + tail_junk,
             ctx={"bered": True},
         )
         self.assertTrue(obj_decoded_lenindef.lenindef)
+        self.assertTrue(obj_decoded_lenindef.bered)
+        obj_decoded_lenindef = copy(obj_decoded_lenindef)
+        self.assertTrue(obj_decoded_lenindef.lenindef)
+        self.assertTrue(obj_decoded_lenindef.bered)
         repr(obj_decoded_lenindef)
-        pprint(obj_decoded_lenindef)
+        list(obj_decoded_lenindef.pps())
+        pprint(obj_decoded_lenindef, big_blobs=True, with_decode_path=True)
+        self.assertEqual(tail_lenindef, tail_junk)
         self.assertEqual(obj_decoded_lenindef.tlvlen, len(obj_encoded_lenindef))
         with self.assertRaises(DecodeError):
             obj.decode(obj_encoded_lenindef[:-1], ctx={"bered": True})
         with self.assertRaises(DecodeError):
             obj.decode(obj_encoded_lenindef[:-2], ctx={"bered": True})
 
+        assert_exceeding_data(
+            self,
+            lambda: obj_expled.decod(obj_expled_encoded + tail_junk),
+            tail_junk,
+        )
+
+    def test_bered(self):
+        class SeqOf(self.base_klass):
+            schema = Boolean()
+        encoded = Boolean(False).encode()
+        encoded += Boolean.tag_default + len_encode(1) + b"\x01"
+        encoded = SeqOf.tag_default + len_encode(len(encoded)) + encoded
+        with self.assertRaises(DecodeError):
+            SeqOf().decode(encoded)
+        decoded, _ = SeqOf().decode(encoded, ctx={"bered": True})
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+        decoded = copy(decoded)
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+
+        class SeqOf(self.base_klass):
+            schema = OctetString()
+        encoded = OctetString(b"whatever").encode()
+        encoded += (
+            tag_encode(form=TagFormConstructed, num=4) +
+            LENINDEF +
+            OctetString(b"whatever").encode() +
+            EOC
+        )
+        encoded = SeqOf.tag_default + len_encode(len(encoded)) + encoded
+        with self.assertRaises(DecodeError):
+            SeqOf().decode(encoded)
+        decoded, _ = SeqOf().decode(encoded, ctx={"bered": True})
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+        decoded = copy(decoded)
+        self.assertFalse(decoded.ber_encoded)
+        self.assertFalse(decoded.lenindef)
+        self.assertTrue(decoded.bered)
+
 
 class TestSequenceOf(SeqOfMixing, CommonMixin, TestCase):
     class SeqOf(SequenceOf):
@@ -5423,6 +6114,41 @@ class TestSetOf(SeqOfMixing, CommonMixin, TestCase):
             b"".join(sorted([v.encode() for v in values])),
         )
 
+    @settings(max_examples=LONG_TEST_MAX_EXAMPLES)
+    @given(data_strategy())
+    def test_unsorted(self, d):
+        values = [OctetString(v).encode() for v in d.draw(sets(
+            binary(min_size=1, max_size=5),
+            min_size=2,
+            max_size=5,
+        ))]
+        values = d.draw(permutations(values))
+        assume(values != sorted(values))
+        encoded = b"".join(values)
+        seq_encoded = b"".join((
+            SetOf.tag_default,
+            len_encode(len(encoded)),
+            encoded,
+        ))
+
+        class Seq(SetOf):
+            schema = OctetString()
+        seq = Seq()
+        with assertRaisesRegex(self, DecodeError, "unordered SET OF"):
+            seq.decode(seq_encoded)
+
+        for ctx in ({"bered": True}, {"allow_unordered_set": True}):
+            seq_decoded, _ = Seq().decode(seq_encoded, ctx=ctx)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            seq_decoded = copy(seq_decoded)
+            self.assertTrue(seq_decoded.ber_encoded)
+            self.assertTrue(seq_decoded.bered)
+            self.assertSequenceEqual(
+                [obj.encode() for obj in seq_decoded],
+                values,
+            )
+
 
 class TestGoMarshalVectors(TestCase):
     def runTest(self):
@@ -5565,8 +6291,11 @@ class TestGoMarshalVectors(TestCase):
         seq = Seq()
         seq["erste"] = PrintableString("test")
         self.assertSequenceEqual(seq.encode(), hexdec("3006130474657374"))
+        # Asterisk is actually not allowable
+        PrintableString._allowable_chars |= set(b"*")
         seq["erste"] = PrintableString("test*")
         self.assertSequenceEqual(seq.encode(), hexdec("30071305746573742a"))
+        PrintableString._allowable_chars -= set(b"*")
 
         class Seq(Sequence):
             schema = (
@@ -5618,7 +6347,10 @@ class TestPP(TestCase):
         chosen_id = oids[chosen]
         pp = _pp(asn1_type_name=ObjectIdentifier.asn1_type_name, value=chosen)
         self.assertNotIn(chosen_id, pp_console_row(pp))
-        self.assertIn(chosen_id, pp_console_row(pp, oids=oids))
+        self.assertIn(
+            chosen_id,
+            pp_console_row(pp, oid_maps=[{'whatever': 'whenever'}, oids]),
+        )
 
 
 class TestAutoAddSlots(TestCase):
@@ -5646,29 +6378,33 @@ class TestOIDDefines(TestCase):
             min_size=len(value_names),
             max_size=len(value_names),
         ))
-        _schema = [
-            ("type", ObjectIdentifier(defines=(((value_name_chosen,), {
-                oid: Integer() for oid in oids[:-1]
-            }),))),
-        ]
-        for i, value_name in enumerate(value_names):
-            _schema.append((value_name, Any(expl=tag_ctxp(i))))
+        for definable_class in (Any, OctetString, BitString):
+            _schema = [
+                ("type", ObjectIdentifier(defines=(((value_name_chosen,), {
+                    oid: Integer() for oid in oids[:-1]
+                }),))),
+            ]
+            for i, value_name in enumerate(value_names):
+                _schema.append((value_name, definable_class(expl=tag_ctxp(i))))
 
-        class Seq(Sequence):
-            schema = _schema
-        seq = Seq()
-        for value_name, value in zip(value_names, values):
-            seq[value_name] = Any(Integer(value).encode())
-        seq["type"] = oid_chosen
-        seq, _ = Seq().decode(seq.encode())
-        for value_name in value_names:
-            if value_name == value_name_chosen:
-                continue
-            self.assertIsNone(seq[value_name].defined)
-        if value_name_chosen in oids[:-1]:
-            self.assertIsNotNone(seq[value_name_chosen].defined)
-            self.assertEqual(seq[value_name_chosen].defined[0], oid_chosen)
-            self.assertIsInstance(seq[value_name_chosen].defined[1], Integer)
+            class Seq(Sequence):
+                schema = _schema
+            seq = Seq()
+            for value_name, value in zip(value_names, values):
+                seq[value_name] = definable_class(Integer(value).encode())
+            seq["type"] = oid_chosen
+            seq, _ = Seq().decode(seq.encode())
+            for value_name in value_names:
+                if value_name == value_name_chosen:
+                    continue
+                self.assertIsNone(seq[value_name].defined)
+            if value_name_chosen in oids[:-1]:
+                self.assertIsNotNone(seq[value_name_chosen].defined)
+                self.assertEqual(seq[value_name_chosen].defined[0], oid_chosen)
+                self.assertIsInstance(seq[value_name_chosen].defined[1], Integer)
+            repr(seq)
+            list(seq.pps())
+            pprint(seq, big_blobs=True, with_decode_path=True)
 
 
 class TestDefinesByPath(TestCase):
@@ -5719,10 +6455,10 @@ class TestDefinesByPath(TestCase):
             (type_integered, Integer(234)),
         )
         for t, v in pairs_input:
-            pair = Pair()
-            pair["type"] = t
-            pair["value"] = PairValue((Any(v),))
-            pairs.append(pair)
+            pairs.append(Pair((
+                ("type", t),
+                ("value", PairValue((Any(v),))),
+            )))
         seq_inner = SeqInner()
         seq_inner["typeInner"] = type_innered
         seq_inner["valueInner"] = Any(pairs)
@@ -5730,9 +6466,17 @@ class TestDefinesByPath(TestCase):
         seq_sequenced["type"] = type_sequenced
         seq_sequenced["value"] = OctetString(seq_inner.encode())
         seq_sequenced_raw = seq_sequenced.encode()
+        repr(seq_sequenced)
+        list(seq_sequenced.pps())
+        pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
 
         defines_by_path = []
-        seq_integered, _ = Seq().decode(seq_integered_raw)
+        ctx_copied = deepcopy(ctx_dummy)
+        seq_integered, _ = Seq().decode(
+            seq_integered_raw,
+            ctx=ctx_copied,
+        )
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         self.assertIsNone(seq_integered["value"].defined)
         defines_by_path.append(
             (("type",), ((("value",), {
@@ -5740,34 +6484,49 @@ class TestDefinesByPath(TestCase):
                 type_sequenced: SeqInner(),
             }),))
         )
+        ctx_copied["defines_by_path"] = defines_by_path
         seq_integered, _ = Seq().decode(
             seq_integered_raw,
-            ctx={"defines_by_path": defines_by_path},
+            ctx=ctx_copied,
         )
+        del ctx_copied["defines_by_path"]
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         self.assertIsNotNone(seq_integered["value"].defined)
         self.assertEqual(seq_integered["value"].defined[0], type_integered)
         self.assertEqual(seq_integered["value"].defined[1], Integer(123))
         self.assertTrue(seq_integered_raw[
             seq_integered["value"].defined[1].offset:
         ].startswith(Integer(123).encode()))
+        repr(seq_integered)
+        list(seq_integered.pps())
+        pprint(seq_integered, big_blobs=True, with_decode_path=True)
 
+        ctx_copied["defines_by_path"] = defines_by_path
         seq_sequenced, _ = Seq().decode(
             seq_sequenced_raw,
-            ctx={"defines_by_path": defines_by_path},
+            ctx=ctx_copied,
         )
+        del ctx_copied["defines_by_path"]
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         self.assertIsNotNone(seq_sequenced["value"].defined)
         self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
         seq_inner = seq_sequenced["value"].defined[1]
         self.assertIsNone(seq_inner["valueInner"].defined)
+        repr(seq_sequenced)
+        list(seq_sequenced.pps())
+        pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
 
         defines_by_path.append((
             ("value", DecodePathDefBy(type_sequenced), "typeInner"),
             ((("valueInner",), {type_innered: Pairs()}),),
         ))
+        ctx_copied["defines_by_path"] = defines_by_path
         seq_sequenced, _ = Seq().decode(
             seq_sequenced_raw,
-            ctx={"defines_by_path": defines_by_path},
+            ctx=ctx_copied,
         )
+        del ctx_copied["defines_by_path"]
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         self.assertIsNotNone(seq_sequenced["value"].defined)
         self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
         seq_inner = seq_sequenced["value"].defined[1]
@@ -5776,6 +6535,9 @@ class TestDefinesByPath(TestCase):
         pairs = seq_inner["valueInner"].defined[1]
         for pair in pairs:
             self.assertIsNone(pair["value"][0].defined)
+        repr(seq_sequenced)
+        list(seq_sequenced.pps())
+        pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
 
         defines_by_path.append((
             (
@@ -5791,10 +6553,13 @@ class TestDefinesByPath(TestCase):
                 type_octet_stringed: OctetString(),
             }),),
         ))
+        ctx_copied["defines_by_path"] = defines_by_path
         seq_sequenced, _ = Seq().decode(
             seq_sequenced_raw,
-            ctx={"defines_by_path": defines_by_path},
+            ctx=ctx_copied,
         )
+        del ctx_copied["defines_by_path"]
+        self.assertDictEqual(ctx_copied, ctx_dummy)
         self.assertIsNotNone(seq_sequenced["value"].defined)
         self.assertEqual(seq_sequenced["value"].defined[0], type_sequenced)
         seq_inner = seq_sequenced["value"].defined[1]
@@ -5804,6 +6569,9 @@ class TestDefinesByPath(TestCase):
         for pair_input, pair_got in zip(pairs_input, pairs_got):
             self.assertEqual(pair_got["value"][0].defined[0], pair_input[0])
             self.assertEqual(pair_got["value"][0].defined[1], pair_input[1])
+        repr(seq_sequenced)
+        list(seq_sequenced.pps())
+        pprint(seq_sequenced, big_blobs=True, with_decode_path=True)
 
     @given(oid_strategy(), integers())
     def test_simple(self, oid, tgt):
@@ -5828,6 +6596,43 @@ class TestDefinesByPath(TestCase):
         decoded, _ = Outer().decode(outer.encode())
         self.assertEqual(decoded["tgt"].defined[1], Integer(tgt))
 
+    def test_remaining_data(self):
+        oid = ObjectIdentifier("1.2.3")
+        class Seq(Sequence):
+            schema = (
+                ("oid", ObjectIdentifier(defines=((("tgt",), {
+                    oid: Integer(),
+                }),))),
+                ("tgt", OctetString()),
+            )
+
+        seq = Seq((
+            ("oid", oid),
+            ("tgt", OctetString(Integer(123).encode() + b"junk")),
+        ))
+        with assertRaisesRegex(self, DecodeError, "remaining data"):
+            Seq().decode(seq.encode())
+
+    def test_remaining_data_seqof(self):
+        oid = ObjectIdentifier("1.2.3")
+        class SeqOf(SetOf):
+            schema = OctetString()
+
+        class Seq(Sequence):
+            schema = (
+                ("oid", ObjectIdentifier(defines=((("tgt",), {
+                    oid: Integer(),
+                }),))),
+                ("tgt", SeqOf()),
+            )
+
+        seq = Seq((
+            ("oid", oid),
+            ("tgt", SeqOf([OctetString(Integer(123).encode() + b"junk")])),
+        ))
+        with assertRaisesRegex(self, DecodeError, "remaining data"):
+            Seq().decode(seq.encode())
+
 
 class TestAbsDecodePath(TestCase):
     @given(
@@ -5835,10 +6640,9 @@ class TestAbsDecodePath(TestCase):
         lists(text(alphabet=ascii_letters, min_size=1), min_size=1).map(tuple),
     )
     def test_concat(self, decode_path, rel_path):
-        self.assertSequenceEqual(
-            abs_decode_path(decode_path, rel_path),
-            decode_path + rel_path,
-        )
+        dp = abs_decode_path(decode_path, rel_path)
+        self.assertSequenceEqual(dp, decode_path + rel_path)
+        repr(dp)
 
     @given(
         lists(text(alphabet=ascii_letters, min_size=1)).map(tuple),
@@ -5871,18 +6675,29 @@ class TestStrictDefaultExistence(TestCase):
             ("int%d" % i, Integer(expl=tag_ctxc(i + 1)))
             for i in range(count)
         ]
-
-        class Seq(Sequence):
-            schema = _schema
-        seq = Seq()
-        for i in range(count):
-            seq["int%d" % i] = Integer(123)
-        raw = seq.encode()
-        chosen = "int%d" % chosen
-        seq.specs[chosen] = seq.specs[chosen](default=123)
-        seq.decode(raw)
-        with assertRaisesRegex(self, DecodeError, "DEFAULT value met"):
-            seq.decode(raw, ctx={"strict_default_existence": True})
+        for klass in (Sequence, Set):
+            class Seq(klass):
+                schema = _schema
+            seq = Seq()
+            for i in range(count):
+                seq["int%d" % i] = Integer(123)
+            raw = seq.encode()
+            chosen_choice = "int%d" % chosen
+            seq.specs[chosen_choice] = seq.specs[chosen_choice](default=123)
+            with assertRaisesRegex(self, DecodeError, "DEFAULT value met"):
+                seq.decode(raw)
+            decoded, _ = seq.decode(raw, ctx={"allow_default_values": True})
+            self.assertTrue(decoded.ber_encoded)
+            self.assertTrue(decoded.bered)
+            decoded = copy(decoded)
+            self.assertTrue(decoded.ber_encoded)
+            self.assertTrue(decoded.bered)
+            decoded, _ = seq.decode(raw, ctx={"bered": True})
+            self.assertTrue(decoded.ber_encoded)
+            self.assertTrue(decoded.bered)
+            decoded = copy(decoded)
+            self.assertTrue(decoded.ber_encoded)
+            self.assertTrue(decoded.bered)
 
 
 class TestX690PrefixedType(TestCase):
@@ -5922,3 +6737,25 @@ class TestX690PrefixedType(TestCase):
             VisibleString("Jones", impl=tag_ctxp(2)).encode(),
             hexdec("82054A6F6E6573"),
         )
+
+
+class TestExplOOB(TestCase):
+    def runTest(self):
+        expl = tag_ctxc(123)
+        raw = Integer(123).encode() + Integer(234).encode()
+        raw = b"".join((expl, len_encode(len(raw)), raw))
+        with assertRaisesRegex(self, DecodeError, "explicit tag out-of-bound"):
+            Integer(expl=expl).decode(raw)
+        Integer(expl=expl).decode(raw, ctx={"allow_expl_oob": True})
+
+
+class TestPickleDifferentVersion(TestCase):
+    def runTest(self):
+        pickled = pickle_dumps(Integer(123), pickle_proto)
+        import pyderasn
+        version_orig = pyderasn.__version__
+        pyderasn.__version__ += "different"
+        with assertRaisesRegex(self, ValueError, "different PyDERASN version"):
+            pickle_loads(pickled)
+        pyderasn.__version__ = version_orig
+        pickle_loads(pickled)