def test_pformat_parse():
p = PFormat('str')
assert p._parse('zertzrt') is None
assert p._parse('int') is None
assert p._parse('float') is None
assert p._parse('uint') is None
assert p._parse('str') == ('str', 0)
assert p._parse('int8') == ('int', 8)
assert p._parse('<uint-16>') == ('uint', 16)
assert p._parse('<float(32)>') == ('float', 32)
def test_pformat_str():
p = PFormat('str')
assert p.minmax == (0, 255)
assert p.bits == 0
assert p.typ == 'str'
assert p.is_valid(['a']) == False
assert p.is_valid('ab') == False
assert p.is_valid(32) == False
assert p.is_valid('a') == True
assert p.is_valid('\x01') == True
assert p._tohex('a') == Byt('a')
assert p._tohex('\x41') == Byt('A')
def test_pformat_nostr():
p = PFormat('int', 8)
assert p.minmax == (-2**7, 2**7 - 1)
assert p.bits == 8
assert p.typ == 'int'
assert p._halfmaxint == 2**7
assert p._maxint == 2**8
def test_pformat_uint():
p = PFormat('uint', 8)
assert p.minmax == (0, 2**8 - 1)
assert p.is_valid(256) == False
assert p.is_valid(255) == True
assert p.is_valid(0) == True
assert p.is_valid(-1) == False
assert p._tohex(0) == Byt('\x00')
assert p._tohex(241) == Byt('\xf1')
def test_pformat_NotImplemented():
p = PFormat('float', 8)
p._tohex(12.0)
def test_pformat_float():
p = PFormat('float', 8)
assert p.is_valid('e') == False
assert p.is_valid(0) == False
assert p.is_valid(0.0) == True
def test_pformat_int():
p = PFormat('int', 8)
assert p.is_valid(128) == False
assert p.is_valid(127) == True
assert p.is_valid(-128) == True
assert p.is_valid(-129) == False
def test_pformat_WrongFormatBitLength4():
p = PFormat('int', 65)
def test_pformat_WrongFormatBitLength2():
p = PFormat('int', 8.0)
def test_pformat_UnknownFormat():
p = PFormat('issdgnt')
def test_pformat_MissingFormatInput():
p = PFormat('int')