RFR: 8308678: (fs) UnixPath::toRealPath needs additional permissions when running with SM (macOS)

[Lance Andersen]

On Thu, 25 May 2023 20:17:59 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> test/jdk/java/nio/file/Path/MacToRealPathWithSM.java line 63:
>> 
>>> 61:         System.out.printf("real path no follow: %s%n",
>>> 62:                           path.toRealPath(LinkOption.NOFOLLOW_LINKS));
>>> 63:     }
>> 
>> Same comment regarding printf
>> 
>> Are you expecting an Exception to be thrown if there is an issue given there is no validation?  Either way, I would clarify with additional comments for future maintainers
>
> An `AccessControlException` is thrown by `path.toRealPath(LinkOption.NOFOLLOW_LINKS)` when run against JDK 20 and the current mainline. I concur that more comments would be better.

So here is a wild idea,  perhaps consider converting this to a junit test given it  is a new test and we can start to leverage some of the value brought by the junit framework.

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PR Review Comment: https://git.openjdk.org/jdk/pull/14157#discussion_r1205973910