def test_truncated(self):
b = BytesIO(
b"BM000000000000" # head_data
+ _binary.o32le(
ImageFile.SAFEBLOCK + 1 + 4
) # header_size, so BmpImagePlugin will try to read SAFEBLOCK + 1 bytes
+ (b"0" * ImageFile.SAFEBLOCK
) # only SAFEBLOCK bytes, so that the header is truncated
)
with pytest.raises(OSError) as e:
BmpImagePlugin.BmpImageFile(b)
assert str(e.value) == "Truncated File Read"
def test_little_endian(self):
self.assertEqual(_binary.i16le(b'\xff\xff\x00\x00'), 65535)
self.assertEqual(_binary.i32le(b'\xff\xff\x00\x00'), 65535)
self.assertEqual(_binary.o16le(65535), b'\xff\xff')
self.assertEqual(_binary.o32le(65535), b'\xff\xff\x00\x00')
def test_little_endian(self):
self.assertEqual(_binary.i16le(b"\xff\xff\x00\x00"), 65535)
self.assertEqual(_binary.i32le(b"\xff\xff\x00\x00"), 65535)
self.assertEqual(_binary.o16le(65535), b"\xff\xff")
self.assertEqual(_binary.o32le(65535), b"\xff\xff\x00\x00")
def test_little_endian():
assert _binary.i16le(b"\xff\xff\x00\x00") == 65535
assert _binary.i32le(b"\xff\xff\x00\x00") == 65535
assert _binary.o16le(65535) == b"\xff\xff"
assert _binary.o32le(65535) == b"\xff\xff\x00\x00"