On Wed, 17 Feb 2021 19:12:19 GMT, Ian Graves <igra...@openjdk.org> wrote:
>> This raises some interesting issues and makes me wonder if we should allow a
>> single-wrap of the `ImmutableCollections` classes for now to make this less
>> onerous.
>
> Yes -- I think in response to this it makes more sense to pull the
> `ImmutableCollections` classes out for now and only focus on the wrapping of
> the classes within `Collections` so we aren't blocked by studying and
> rectifying these inconsistencies.
Maybe it is not correct for UnmodifiableEntrySet::contains to short circuit?
What if the implementation was changed to:
`public boolean contains(Object o) {
if (!(o instanceof Map.Entry))
return c.contains(o); //false, NPE, or CCE
return c.contains(
new UnmodifiableEntry<>((Map.Entry<?,?>) o));
}`
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PR: https://git.openjdk.java.net/jdk/pull/2596
