Java 8 RFR 8024331: j.u.Map.computeIfPresent() default/nondefault implementations don't throw NPE if the remappingFunction is null and the key is absent

[Brian Burkhalter]

On Sep 17, 2013, at 2:33 PM, Mike Duigou wrote:

> The Map/Defaults.java changes only test HashMap. It should probably be extended to test most/all of the other implementations.

OK I will add those.

> I have some worry that the superfluous assignment of the Objects.requireNonNull() result might have a non-negligible cost. 

As I responded to Remi, I don't feel strongly about this.

I'll make the various updates and repost.

Thanks,

Brian