def test_get_value_invalid_offset():
ifd = Ifd("<", blob=ifd_bytes)
assert len(ifd.entries) == 2
assert ifd.get_value(ifd.entries['data_offset']) == \
ifd.entries['data_offset'].raw_value
assert ifd.get_value(ifd.entries['data_length']) == \
ifd.entries['data_length'].raw_value
def test_ifd_get_byte_array_value():
ifd = Ifd("<", blob=ifd_bytes_byte_array)
val = ifd.get_value(ifd.entries['make'])
assert isinstance(val, bytes)
assert val == b'Canon\x00'
def test_ifd_get_string_value():
ifd = Ifd("<", blob=ifd_bytes_string_value)
val = ifd.get_value(ifd.entries['make'])
assert isinstance(val, (type(u""), str))
assert val == 'Canon'
def test_ifd_get_float():
ifd = Ifd("<", blob=ifd_bytes_float)
val = ifd.get_value(ifd.entries['make'])
assert round(val - 1.62, 2) == 0
def test_ifd_invalid_pointer():
ifd = Ifd("<", blob=ifd_bytes_invalid_pointer)
val = ifd.get_value(ifd.entries['make'])
assert val == 303174162
def test_ifd_get_byte_array_value():
ifd = Ifd("<", blob=ifd_bytes_byte_array)
val = ifd.get_value(ifd.entries["make"])
assert isinstance(val, bytes)
assert val == b"Canon\x00"
def test_ifd_get_double():
ifd = Ifd("<", blob=ifd_bytes_double)
val = ifd.get_value(ifd.entries['make'])
assert round(val - 3.14, 2) == 0
def test_ifd_get_string_value():
ifd = Ifd("<", blob=ifd_bytes_string_value)
val = ifd.get_value(ifd.entries["make"])
assert isinstance(val, (type(u""), str))
assert val == "Canon"
def test_get_value_invalid_offset():
ifd = Ifd("<", blob=ifd_bytes)
assert len(ifd.entries) == 2
assert ifd.get_value(ifd.entries["data_offset"]) == ifd.entries["data_offset"].raw_value
assert ifd.get_value(ifd.entries["data_length"]) == ifd.entries["data_length"].raw_value
def test_ifd_invalid_pointer():
ifd = Ifd("<", blob=ifd_bytes_invalid_pointer)
val = ifd.get_value(ifd.entries["make"])
assert val == 303174162
def test_ifd_get_float():
ifd = Ifd("<", blob=ifd_bytes_float)
val = ifd.get_value(ifd.entries["make"])
assert round(val - 1.62, 2) == 0
def test_ifd_get_double():
ifd = Ifd("<", blob=ifd_bytes_double)
val = ifd.get_value(ifd.entries["make"])
assert round(val - 3.14, 2) == 0
