$ docker run --rm --name validator-libjpeg-turbo-usage-vips-r20-extract-area-strip-roundtrip-jpeg-2812 -t --mount type=bind,src=/tmp/validator-status-libjpeg-turbo-usage-vips-r20-extract-area-strip-roundtrip-jpeg,dst=/validator/status validator-libjpeg-turbo-shared bash -lc 'set -euo pipefail
/validator/tests/_shared/install_override_debs.sh
exec /validator/tests/_shared/run_library_tests.sh "$@"' validator-testcase libjpeg-turbo usage-vips-r20-extract-area-strip-roundtrip-jpeg -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/libjpeg-turbo/tests/cases/usage/usage-vips-r20-extract-area-strip-roundtrip-jpeg.sh
no override packages found; continuing with apt originals
W, H = 64, 32
b = bytearray()
for y in range(H):
    for x in range(W):
        b += bytes(((x * 4) & 255, (y * 8) & 255, ((x + y) * 2) & 255))
sys.stdout.buffer.write(b)
'