$ docker run --rm --name validator-libsodium-usage-php83-r20-increment-overflows-low-byte-to-next-2732 -t --mount type=bind,src=/tmp/validator-status-libsodium-usage-php83-r20-increment-overflows-low-byte-to-next,dst=/validator/status validator-libsodium-shared bash -lc 'set -euo pipefail
/validator/tests/_shared/install_override_debs.sh
exec /validator/tests/_shared/run_library_tests.sh "$@"' validator-testcase libsodium usage-php83-r20-increment-overflows-low-byte-to-next -- bash -c 'PS4=$1; shift; set -x; source "$@"' validator-xtrace '__VALIDATOR_XTRACE__ ' /validator/tests/libsodium/tests/cases/usage/usage-php83-r20-increment-overflows-low-byte-to-next.sh
no override packages found; continuing with apt originals
$b = "\xff\x00\x00\x00";
sodium_increment($b);
if (bin2hex($b) !== "00010000") {
    fwrite(STDERR, "got=" . bin2hex($b) . "\n"); exit(1);
}
echo "ok increment hex=", bin2hex($b), PHP_EOL;
'
ok increment hex=00010000