def test_1wordobjectheader2():
s = ints2str(joinbits([3, 1, 2, 3, 4], [2, 6, 4, 5, 12]))
r = imagereader_mock(SIMPLE_VERSION_HEADER + (s * 3))
r.read_version()
l = len(SIMPLE_VERSION_HEADER)
assert (squeakimage.ImageChunk(space, 1, 2, 3,
4), 0 + l) == r.read_1wordobjectheader()
assert (squeakimage.ImageChunk(space, 1, 2, 3,
4), 4 + l) == r.read_1wordobjectheader()
assert (squeakimage.ImageChunk(space, 1, 2, 3,
4), 8 + l) == r.read_1wordobjectheader()
def test_2wordobjectheader():
s = ints2str(4200 + 1, joinbits([1, 1, 2, 3, 4], [2, 6, 4, 5, 12]))
r = imagereader_mock(SIMPLE_VERSION_HEADER + s)
r.read_version()
l = len(SIMPLE_VERSION_HEADER)
assert (squeakimage.ImageChunk(space, 1, 2, 4200,
4), 4 + l) == r.read_2wordobjectheader()
def test_read3wordheaderobject():
size = 42
s = ints2str(size << 2, 4200 + 0,
joinbits([0, 1, 2, 3, 4], [2, 6, 4, 5, 12]))
r = imagereader_mock(SIMPLE_VERSION_HEADER + s + SIMPLE_VERSION_HEADER *
(size - 1))
r.read_version()
l = len(SIMPLE_VERSION_HEADER)
chunk, pos = r.read_object()
chunk0 = squeakimage.ImageChunk(space, size, 2, 4200, 4)
chunk0.data = [6502] * (size - 1)
assert pos == 8 + l
assert chunk0 == chunk