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-rw-r--r--python/pyasn1/test/codec/ber/test_encoder.py338
1 files changed, 338 insertions, 0 deletions
diff --git a/python/pyasn1/test/codec/ber/test_encoder.py b/python/pyasn1/test/codec/ber/test_encoder.py
new file mode 100644
index 000000000..bfb3f618c
--- /dev/null
+++ b/python/pyasn1/test/codec/ber/test_encoder.py
@@ -0,0 +1,338 @@
+from pyasn1.type import tag, namedtype, univ
+from pyasn1.codec.ber 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 LargeTagEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.o = univ.Integer().subtype(
+ value=1, explicitTag=tag.Tag(tag.tagClassApplication, tag.tagFormatSimple, 0xdeadbeaf)
+ )
+ def testEncoder(self):
+ assert encoder.encode(self.o) == ints2octs((127, 141, 245, 182, 253, 47, 3, 2, 1, 1))
+
+class IntegerEncoderTestCase(unittest.TestCase):
+ def testPosInt(self):
+ assert encoder.encode(univ.Integer(12)) == ints2octs((2, 1, 12))
+
+ def testNegInt(self):
+ assert encoder.encode(univ.Integer(-12)) == ints2octs((2, 1, 244))
+
+ def testZero(self):
+ assert encoder.encode(univ.Integer(0)) == ints2octs((2, 1, 0))
+
+ def testCompactZero(self):
+ encoder.IntegerEncoder.supportCompactZero = True
+ substrate = encoder.encode(univ.Integer(0))
+ encoder.IntegerEncoder.supportCompactZero = False
+ assert substrate == ints2octs((2, 0))
+
+ def testMinusOne(self):
+ assert encoder.encode(univ.Integer(-1)) == ints2octs((2, 1, 255))
+
+ def testPosLong(self):
+ assert encoder.encode(
+ univ.Integer(0xffffffffffffffff)
+ ) == ints2octs((2, 9, 0, 255, 255, 255, 255, 255, 255, 255, 255))
+
+ def testNegLong(self):
+ assert encoder.encode(
+ univ.Integer(-0xffffffffffffffff)
+ ) == ints2octs((2, 9, 255, 0, 0, 0, 0, 0, 0, 0, 1))
+
+class BooleanEncoderTestCase(unittest.TestCase):
+ def testTrue(self):
+ assert encoder.encode(univ.Boolean(1)) == ints2octs((1, 1, 1))
+
+ def testFalse(self):
+ assert encoder.encode(univ.Boolean(0)) == ints2octs((1, 1, 0))
+
+class BitStringEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.b = univ.BitString((1,0,1,0,1,0,0,1,1,0,0,0,1,0,1))
+
+ def testDefMode(self):
+ assert encoder.encode(self.b) == ints2octs((3, 3, 1, 169, 138))
+
+ def testIndefMode(self):
+ assert encoder.encode(
+ self.b, defMode=0
+ ) == ints2octs((3, 3, 1, 169, 138))
+
+ def testDefModeChunked(self):
+ assert encoder.encode(
+ self.b, maxChunkSize=1
+ ) == ints2octs((35, 8, 3, 2, 0, 169, 3, 2, 1, 138))
+
+ def testIndefModeChunked(self):
+ assert encoder.encode(
+ self.b, defMode=0, maxChunkSize=1
+ ) == ints2octs((35, 128, 3, 2, 0, 169, 3, 2, 1, 138, 0, 0))
+
+ def testEmptyValue(self):
+ assert encoder.encode(univ.BitString(())) == ints2octs((3, 1, 0))
+
+class OctetStringEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.o = univ.OctetString('Quick brown fox')
+
+ def testDefMode(self):
+ assert encoder.encode(self.o) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
+
+ def testIndefMode(self):
+ assert encoder.encode(
+ self.o, defMode=0
+ ) == ints2octs((4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
+
+ def testDefModeChunked(self):
+ assert encoder.encode(
+ self.o, maxChunkSize=4
+ ) == ints2octs((36, 23, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120))
+
+ def testIndefModeChunked(self):
+ assert encoder.encode(
+ self.o, defMode=0, maxChunkSize=4
+ ) == ints2octs((36, 128, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120, 0, 0))
+
+class ExpTaggedOctetStringEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.o = univ.OctetString().subtype(
+ value='Quick brown fox',
+ explicitTag=tag.Tag(tag.tagClassApplication,tag.tagFormatSimple,5)
+ )
+ def testDefMode(self):
+ assert encoder.encode(self.o) == ints2octs((101, 17, 4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120))
+
+ def testIndefMode(self):
+ assert encoder.encode(
+ self.o, defMode=0
+ ) == ints2octs((101, 128, 4, 15, 81, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 32, 102, 111, 120, 0, 0))
+
+ def testDefModeChunked(self):
+ assert encoder.encode(
+ self.o, defMode=1, maxChunkSize=4
+ ) == ints2octs((101, 25, 36, 23, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120))
+
+ def testIndefModeChunked(self):
+ assert encoder.encode(
+ self.o, defMode=0, maxChunkSize=4
+ ) == ints2octs((101, 128, 36, 128, 4, 4, 81, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 4, 111, 119, 110, 32, 4, 3, 102, 111, 120, 0, 0, 0, 0))
+
+class NullEncoderTestCase(unittest.TestCase):
+ def testNull(self):
+ assert encoder.encode(univ.Null('')) == ints2octs((5, 0))
+
+class ObjectIdentifierEncoderTestCase(unittest.TestCase):
+ def testNull(self):
+ assert encoder.encode(
+ univ.ObjectIdentifier((1,3,6,0,0xffffe))
+ ) == ints2octs((6, 6, 43, 6, 0, 191, 255, 126))
+
+class RealEncoderTestCase(unittest.TestCase):
+ def testChar(self):
+ assert encoder.encode(
+ univ.Real((123, 10, 11))
+ ) == ints2octs((9, 7, 3, 49, 50, 51, 69, 49, 49))
+
+ def testBin1(self):
+ assert encoder.encode(
+ univ.Real((1101, 2, 11))
+ ) == ints2octs((9, 4, 128, 11, 4, 77))
+
+ def testBin2(self):
+ assert encoder.encode(
+ univ.Real((1101, 2, -11))
+ ) == ints2octs((9, 4, 128, 245, 4, 77))
+
+ def testPlusInf(self):
+ assert encoder.encode(univ.Real('inf')) == ints2octs((9, 1, 64))
+
+ def testMinusInf(self):
+ assert encoder.encode(univ.Real('-inf')) == ints2octs((9, 1, 65))
+
+ def testZero(self):
+ assert encoder.encode(univ.Real(0)) == ints2octs((9, 0))
+
+class SequenceEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.s = univ.Sequence(componentType=namedtype.NamedTypes(
+ namedtype.NamedType('place-holder', univ.Null('')),
+ namedtype.OptionalNamedType('first-name', univ.OctetString('')),
+ namedtype.DefaultedNamedType('age', univ.Integer(33)),
+ ))
+
+ def __init(self):
+ self.s.clear()
+ self.s.setComponentByPosition(0)
+
+ def __initWithOptional(self):
+ self.s.clear()
+ self.s.setComponentByPosition(0)
+ self.s.setComponentByPosition(1, 'quick brown')
+
+ def __initWithDefaulted(self):
+ self.s.clear()
+ self.s.setComponentByPosition(0)
+ self.s.setComponentByPosition(2, 1)
+
+ def __initWithOptionalAndDefaulted(self):
+ self.s.clear()
+ self.s.setComponentByPosition(0, univ.Null(''))
+ self.s.setComponentByPosition(1, univ.OctetString('quick brown'))
+ self.s.setComponentByPosition(2, univ.Integer(1))
+
+ def testDefMode(self):
+ self.__init()
+ assert encoder.encode(self.s) == ints2octs((48, 2, 5, 0))
+
+ def testIndefMode(self):
+ self.__init()
+ assert encoder.encode(
+ self.s, defMode=0
+ ) == ints2octs((48, 128, 5, 0, 0, 0))
+
+ def testDefModeChunked(self):
+ self.__init()
+ assert encoder.encode(
+ self.s, defMode=1, maxChunkSize=4
+ ) == ints2octs((48, 2, 5, 0))
+
+ def testIndefModeChunked(self):
+ self.__init()
+ assert encoder.encode(
+ self.s, defMode=0, maxChunkSize=4
+ ) == ints2octs((48, 128, 5, 0, 0, 0))
+
+ def testWithOptionalDefMode(self):
+ self.__initWithOptional()
+ assert encoder.encode(self.s) == ints2octs((48, 15, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110))
+
+ def testWithOptionalIndefMode(self):
+ self.__initWithOptional()
+ assert encoder.encode(
+ self.s, defMode=0
+ ) == ints2octs((48, 128, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 0, 0))
+
+ def testWithOptionalDefModeChunked(self):
+ self.__initWithOptional()
+ assert encoder.encode(
+ self.s, defMode=1, maxChunkSize=4
+ ) == ints2octs((48, 21, 5, 0, 36, 17, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110))
+
+ def testWithOptionalIndefModeChunked(self):
+ self.__initWithOptional()
+ assert encoder.encode(
+ self.s, defMode=0, maxChunkSize=4
+ ) == ints2octs((48, 128, 5, 0, 36, 128, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 0, 0, 0, 0))
+
+ def testWithDefaultedDefMode(self):
+ self.__initWithDefaulted()
+ assert encoder.encode(self.s) == ints2octs((48, 5, 5, 0, 2, 1, 1))
+
+ def testWithDefaultedIndefMode(self):
+ self.__initWithDefaulted()
+ assert encoder.encode(
+ self.s, defMode=0
+ ) == ints2octs((48, 128, 5, 0, 2, 1, 1, 0, 0))
+
+ def testWithDefaultedDefModeChunked(self):
+ self.__initWithDefaulted()
+ assert encoder.encode(
+ self.s, defMode=1, maxChunkSize=4
+ ) == ints2octs((48, 5, 5, 0, 2, 1, 1))
+
+ def testWithDefaultedIndefModeChunked(self):
+ self.__initWithDefaulted()
+ assert encoder.encode(
+ self.s, defMode=0, maxChunkSize=4
+ ) == ints2octs((48, 128, 5, 0, 2, 1, 1, 0, 0))
+
+ def testWithOptionalAndDefaultedDefMode(self):
+ self.__initWithOptionalAndDefaulted()
+ assert encoder.encode(self.s) == ints2octs((48, 18, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 2, 1, 1))
+
+ def testWithOptionalAndDefaultedIndefMode(self):
+ self.__initWithOptionalAndDefaulted()
+ assert encoder.encode(
+ self.s, defMode=0
+ ) == ints2octs((48, 128, 5, 0, 4, 11, 113, 117, 105, 99, 107, 32, 98, 114, 111, 119, 110, 2, 1, 1, 0, 0))
+
+ def testWithOptionalAndDefaultedDefModeChunked(self):
+ self.__initWithOptionalAndDefaulted()
+ assert encoder.encode(
+ self.s, defMode=1, maxChunkSize=4
+ ) == ints2octs((48, 24, 5, 0, 36, 17, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 2, 1, 1))
+
+ def testWithOptionalAndDefaultedIndefModeChunked(self):
+ self.__initWithOptionalAndDefaulted()
+ assert encoder.encode(
+ self.s, defMode=0, maxChunkSize=4
+ ) == ints2octs((48, 128, 5, 0, 36, 128, 4, 4, 113, 117, 105, 99, 4, 4, 107, 32, 98, 114, 4, 3, 111, 119, 110, 0, 0, 2, 1, 1, 0, 0))
+
+class ChoiceEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.s = univ.Choice(componentType=namedtype.NamedTypes(
+ namedtype.NamedType('place-holder', univ.Null('')),
+ namedtype.NamedType('number', univ.Integer(0)),
+ namedtype.NamedType('string', univ.OctetString())
+ ))
+
+ def testEmpty(self):
+ try:
+ encoder.encode(self.s)
+ except PyAsn1Error:
+ pass
+ else:
+ assert 0, 'encoded unset choice'
+
+ def testFilled(self):
+ self.s.setComponentByPosition(0, univ.Null(''))
+ assert encoder.encode(self.s) == ints2octs((5, 0))
+
+ def testTagged(self):
+ s = self.s.subtype(
+ explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,4)
+ )
+ s.setComponentByPosition(0, univ.Null(''))
+ assert encoder.encode(s) == ints2octs((164, 2, 5, 0))
+
+ def testUndefLength(self):
+ self.s.setComponentByPosition(2, univ.OctetString('abcdefgh'))
+ assert encoder.encode(self.s, defMode=False, maxChunkSize=3) == ints2octs((36, 128, 4, 3, 97, 98, 99, 4, 3, 100, 101, 102, 4, 2, 103, 104, 0, 0))
+
+ def testTaggedUndefLength(self):
+ s = self.s.subtype(
+ explicitTag=tag.Tag(tag.tagClassContext,tag.tagFormatConstructed,4)
+ )
+ s.setComponentByPosition(2, univ.OctetString('abcdefgh'))
+ assert encoder.encode(s, defMode=False, maxChunkSize=3) == ints2octs((164, 128, 36, 128, 4, 3, 97, 98, 99, 4, 3, 100, 101, 102, 4, 2, 103, 104, 0, 0, 0, 0))
+
+class AnyEncoderTestCase(unittest.TestCase):
+ def setUp(self):
+ self.s = univ.Any(encoder.encode(univ.OctetString('fox')))
+
+ def testUntagged(self):
+ assert encoder.encode(self.s) == ints2octs((4, 3, 102, 111, 120))
+
+ def testTaggedEx(self):
+ s = self.s.subtype(
+ explicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)
+ )
+ assert encoder.encode(s) == ints2octs((164, 5, 4, 3, 102, 111, 120))
+
+ def testTaggedIm(self):
+ s = self.s.subtype(
+ implicitTag=tag.Tag(tag.tagClassContext, tag.tagFormatSimple, 4)
+ )
+ assert encoder.encode(s) == ints2octs((132, 5, 4, 3, 102, 111, 120))
+
+if __name__ == '__main__': unittest.main()