import random, strformat, pixie/fileformats/jpg, pixie/common randomize() let original = cast[seq[uint8]](readFile("tests/images/jpg/jpeg420exif.jpg")) for i in 0 ..< 10_000: var data = original let pos = rand(data.len) value = rand(255).uint8 data[pos] = value echo &"{i} {pos} {value}" try: discard decodeJpg(data) except PixieError: discard