def test_chunk_internals():
blocks = BlockArray([0] * 4096, 4, [0])
# Accumulate blocks
added = []
for i in range(300):
block, meta = divmod(i, 16)
blocks[i] = block, meta
added.append((block, meta))
assert blocks[:i + 1] == added
if i < 256:
assert len(blocks.palette) == i + 1
if i < 16:
assert blocks.bits == 4
elif i < 32:
assert blocks.bits == 5
elif i < 64:
assert blocks.bits == 6
elif i < 128:
assert blocks.bits == 7
else:
assert blocks.bits == 8
else:
assert blocks.palette is None
assert blocks.bits == 13
# Zero the first 100 blocks
for i in range(100):
blocks[i] = (0, 0)
blocks.repack()
assert len(blocks.palette) == 201
assert blocks.bits == 8
# Zero blocks 100-199
for i in range(100, 200):
blocks[i] = (0, 0)
blocks.repack()
assert len(blocks.palette) == 101
assert blocks.bits == 7
# Zero blocks 205 - 300
for i in range(205, 300):
blocks[i] = (0, 0)
blocks.repack()
assert len(blocks.palette) == 6
assert blocks.bits == 4
# Check value
for i in range(4096):
if 200 <= i < 205:
assert blocks[i] == divmod(i, 16)
else:
assert blocks[i] == (0, 0)
def test_chunk_internals():
blocks = BlockArray(OpaqueBlockMap(13), [0] * 4096, 4, [0])
# Accumulate blocks
added = []
for i in range(300):
blocks[i] = i
added.append(i)
assert blocks[:i + 1] == added
if i < 256:
assert len(blocks.palette) == i + 1
if i < 16:
assert blocks.bits == 4
elif i < 32:
assert blocks.bits == 5
elif i < 64:
assert blocks.bits == 6
elif i < 128:
assert blocks.bits == 7
else:
assert blocks.bits == 8
else:
assert blocks.palette == []
assert blocks.bits == 13
# Zero the first 100 blocks
for i in range(100):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 201
assert blocks.bits == 8
# Zero blocks 100-199
for i in range(100, 200):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 101
assert blocks.bits == 7
# Zero blocks 205 - 300
for i in range(205, 300):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 6
assert blocks.bits == 4
# Check value
for i in range(4096):
if 200 <= i < 205:
assert blocks[i] == i
else:
assert blocks[i] == 0
def test_chunk_internals():
blocks = BlockArray(OpaqueRegistry(13), [0]*4096, 4, [0])
# Accumulate blocks
added = []
for i in range(300):
blocks[i] = i
added.append(i)
assert blocks[:i+1] == added
if i < 256:
assert len(blocks.palette) == i + 1
if i < 16:
assert blocks.bits == 4
elif i < 32:
assert blocks.bits == 5
elif i < 64:
assert blocks.bits == 6
elif i < 128:
assert blocks.bits == 7
else:
assert blocks.bits == 8
else:
assert blocks.palette == []
assert blocks.bits == 13
# Zero the first 100 blocks
for i in range(100):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 201
assert blocks.bits == 8
# Zero blocks 100-199
for i in range(100, 200):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 101
assert blocks.bits == 7
# Zero blocks 205 - 300
for i in range (205, 300):
blocks[i] = 0
blocks.repack()
assert len(blocks.palette) == 6
assert blocks.bits == 4
# Check value
for i in range(4096):
if 200 <= i < 205:
assert blocks[i] == i
else:
assert blocks[i] == 0