def test_bit_string_copy(self):
if _debug: TestBitString._debug("test_bit_string_copy")
sample_value = [0, 1, 0, 1]
obj1 = BitString(sample_value)
obj2 = BitString(obj1)
assert obj2.value == sample_value
def test_bit_string_tag(self):
if _debug: TestBitString._debug("test_bit_string_tag")
tag = Tag(Tag.applicationTagClass, Tag.bitStringAppTag, 1, xtob('08'))
obj = BitString(tag)
if _debug: TestBitString._debug(" - obj.value: %r", obj.value)
assert obj.value == []
tag = Tag(Tag.applicationTagClass, Tag.bitStringAppTag, 2,
xtob('0102'))
obj = BitString(tag)
if _debug: TestBitString._debug(" - obj.value: %r", obj.value)
assert obj.value == [0, 0, 0, 0, 0, 0, 1]
tag = Tag(Tag.applicationTagClass, Tag.booleanAppTag, 0, xtob(''))
with self.assertRaises(InvalidTag):
BitString(tag)
tag = Tag(Tag.contextTagClass, 0, 1, xtob('ff'))
with self.assertRaises(InvalidTag):
BitString(tag)
tag = Tag(Tag.openingTagClass, 0)
with self.assertRaises(InvalidTag):
BitString(tag)
def bit_string_decode(tag):
"""Decode an bit_string application tag into an bit_string."""
if _debug: bit_string_decode._debug("bit_string_decode %r", tag)
obj = BitString(tag)
if _debug: bit_string_decode._debug(" - obj: %r", obj)
return obj
def test_bit_string(self):
if _debug: TestBitString._debug("test_bit_string")
obj = BitString()
assert obj.value == []
assert str(obj) == "BitString()"
obj = BitString([0])
assert obj.value == [0]
assert str(obj) == "BitString(0)"
obj = BitString([0, 1])
assert obj.value == [0, 1]
assert str(obj) == "BitString(0,1)"
with self.assertRaises(TypeError):
BitString("some string")
with self.assertRaises(TypeError):
BitString(1.0)
def bit_string_endec(v, x):
"""Pass the value to BitString, construct a tag from the hex string,
and compare results of encode and decoding each other."""
if _debug: bit_string_endec._debug("bit_string_endec %r %r", v, x)
tag = bit_string_tag(x)
if _debug: bit_string_endec._debug(" - tag: %r, %r", tag, tag.tagData)
obj = BitString(v)
if _debug: bit_string_endec._debug(" - obj: %r, %r", obj, obj.value)
assert bit_string_encode(obj) == tag
assert bit_string_decode(tag) == obj
def test_boolean_application_to_object(self):
if _debug:
TestApplicationTag._debug("test_boolean_application_to_object")
# null
obj_endec(Null(), '00')
# boolean
obj_endec(Boolean(True), '11')
obj_endec(Boolean(False), '10')
# unsigned
obj_endec(Unsigned(0), '2100')
obj_endec(Unsigned(1), '2101')
obj_endec(Unsigned(127), '217F')
obj_endec(Unsigned(128), '2180')
# integer
obj_endec(Integer(0), '3100')
obj_endec(Integer(1), '3101')
obj_endec(Integer(-1), '31FF')
obj_endec(Integer(128), '320080')
obj_endec(Integer(-128), '3180')
# real
obj_endec(Real(0), '4400000000')
obj_endec(Real(1), '443F800000')
obj_endec(Real(-1), '44BF800000')
obj_endec(Real(73.5), '4442930000')
# double
obj_endec(Double(0), '55080000000000000000')
obj_endec(Double(1), '55083FF0000000000000')
obj_endec(Double(-1), '5508BFF0000000000000')
obj_endec(Double(73.5), '55084052600000000000')
# octet string
obj_endec(OctetString(xtob('')), '60')
obj_endec(OctetString(xtob('01')), '6101')
obj_endec(OctetString(xtob('0102')), '620102')
obj_endec(OctetString(xtob('010203040506')), '6506010203040506')
# character string
obj_endec(CharacterString(''), '7100')
obj_endec(CharacterString('a'), '720061')
obj_endec(CharacterString('abcde'), '7506006162636465')
# bit string
obj_endec(BitString([]), '8100')
obj_endec(BitString([0]), '820700')
obj_endec(BitString([1]), '820780')
obj_endec(BitString([1, 1, 1, 1, 1]), '8203F8')
obj_endec(BitString([1] * 10), '8306FFC0')
# enumerated
obj_endec(Enumerated(0), '9100')
obj_endec(Enumerated(1), '9101')
obj_endec(Enumerated(127), '917F')
obj_endec(Enumerated(128), '9180')
# date
obj_endec(Date((1, 2, 3, 4)), 'A401020304')
obj_endec(Date((255, 2, 3, 4)), 'A4FF020304')
obj_endec(Date((1, 255, 3, 4)), 'A401FF0304')
obj_endec(Date((1, 2, 255, 4)), 'A40102FF04')
obj_endec(Date((1, 2, 3, 255)), 'A4010203FF')
# time
obj_endec(Time((1, 2, 3, 4)), 'B401020304')
obj_endec(Time((255, 2, 3, 4)), 'B4FF020304')
obj_endec(Time((1, 255, 3, 4)), 'B401FF0304')
obj_endec(Time((1, 2, 255, 4)), 'B40102FF04')
obj_endec(Time((1, 2, 3, 255)), 'B4010203FF')
# object identifier
obj_endec(ObjectIdentifier(0, 0), 'C400000000')
obj_endec(ObjectIdentifier(1, 0), 'C400400000')
obj_endec(ObjectIdentifier(0, 2), 'C400000002')
obj_endec(ObjectIdentifier(3, 4), 'C400C00004')
def test_bit_string_statement(self):
if _debug: TestExtendedTagStatements._debug("test_bit_string_statement")
assert statement_to_tag("bit string 101") == tag_encode(BitString([1, 0, 1]))
assert statement_to_tag("bit string 10111 context 9") == tag_encode(BitString([1, 0, 1, 1, 1]), context=9)
def bit_string_statement(value):
if _debug: bit_string_statement._debug("bit_string_statement %r", value)
return BitString([int(c) for c in value])