# note: The alpha_is_used hint set on an image whose every pixel is opaque.
# expect: ok
# exercises: ReadImageInfo() reads the bit at vp8l_dec.c:119 and
#   VP8LDecodeHeader() drops it on the floor; only VP8LGetInfo() passes it
#   out. A decoder that started believing it over the pixels would fail this
#   hash rather than pass unnoticed.
lossless
width 4
height 4
alpha_is_used 1