Infinite Spliterator? I have no idea if this is right... Looks right, but there are many opportunities for wrong...

ParallelStreamTest.java

import java.util.List;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.function.IntConsumer;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

public class ParallelStreamTest {

    static class IntGenerator implements Supplier<Integer> {

        private int current = 0;

        public Integer get() {
            return current++;
        }

        public Spliterator<Integer> spliterator() {
            return new InternalSpliterator();
        }

        private class InternalSpliterator extends Spliterators.AbstractIntSpliterator {
            protected InternalSpliterator() {
                super(Long.MAX_VALUE, ORDERED | NONNULL);
            }

            @Override
            public boolean tryAdvance(IntConsumer action) {
                action.accept(get());
                return true;
            }
        }
    }

    public static void main(String[] args) {
        Stream<Integer> s = StreamSupport.stream(new IntGenerator().spliterator(), true);

        List<Integer> xs = s
                .parallel()
                .limit(10)
                .map(x -> x * 2)
                .collect(Collectors.toList());

        System.out.println(xs);
    }
}

From https://gist.github.com/Dierk/7cb5e139ebc093d9cc45