pixie/tests/fuzz_gif.nim
2021-03-01 08:38:00 -08:00

27 lines
580 B
Nim

import pixie/common, pixie/fileformats/gif, random, strformat
randomize()
let original = readFile("tests/images/gif/sunflower.gif")
for i in 0 ..< 10_000:
var data = original
let
pos = rand(data.len)
value = rand(255).char
# pos = 27355
# value = '&'
data[pos] = value
echo &"{i} {pos} {value}"
try:
let img = decodeGif(data)
doAssert img.height > 0 and img.width > 0
except PixieError:
discard
data = data[0 ..< pos]
try:
let img = decodeGif(data)
doAssert img.height > 0 and img.width > 0
except PixieError:
discard