# note: An ANMF chunk claiming to be far longer than the file.
# expect: reject
# anim: reject
# info: reject
# exercises: SizeIsInvalid(), the test the walk makes before trusting any
#   declared length: a chunk may not claim to extend past the end of the
#   RIFF chunk it sits in. This one claims four kilobytes inside a file of
#   about a hundred bytes, so it is refused before ParseAnimationFrame() is
#   called at all.
chunk_size ANMF 4096
frame
frame_duration 100
lossless
width 16
height 16
argb 0xff800000 x256