On Sun, 27 Feb 2022 22:30:44 GMT, Jim Laskey <[email protected]> wrote:
>> test/jdk/java/util/Random/T8282144.java line 39:
>>
>>> 37: public class T8282144 {
>>> 38: public static void main(String[] args) {
>>> 39: RandomGenerator rng =
>>> RandomGeneratorFactory.of("L64X128MixRandom").create(42);
>>
>> Does `rng` always produce the same sequence? If so, then perhaps the seed,
>> `42`, should be a random value that is printed.
>
> 42 was chosen because its is known to produce negative byte values, other
> random values might not.
OK
>> test/jdk/java/util/Random/T8282144.java line 52:
>>
>>> 50: for (int k = 0; k < existing.length; k++) {
>>> 51: if (existing[k] != testing[k]) {
>>> 52: throw new
>>> RuntimeException("convertSeedBytesToLongs incorrect");
>>
>> Should `i`, `j`, and `k` be included in the exception message?
>
> Correctness is binary - either it works or it doesn't. The values of i, j, k
> would not assist in isolating issues. Might add to confusion if displayed.
Understood.
-------------
PR: https://git.openjdk.java.net/jdk/pull/7614