JDK 10 RFR of JDK-8181395: Refactor several java/nio locale related shell tests to java

[Amy Lu]

Ping for review.

(or should I withdraw this change and leave the set LC_ALL related tests 
as shell script tests as they are?)

Thanks,
Amy

On 6/7/17 2:14 PM, Amy Lu wrote:
> java/nio/charset/Charset/default.sh
> java/nio/charset/coders/CheckSJISMappingProp.sh
> java/nio/file/Path/MacPathTest.java which runs shell test:
>      * @run shell MacPathTest.sh
>
> Please review this patch to refactor these shell tests to java.
>
> Note that in MacPathTest.sh, it requires the test to be run with 
> LC_ALL=en_US.UTF-8 env. But unlike the other two tests, LC_ALL 
> settings here is just to setup an env in order for the test to work 
> correctly, it’s not the locale it intends to test.
>
> bug: https://bugs.openjdk.java.net/browse/JDK-8181395
> webrev: http://cr.openjdk.java.net/~amlu/8181395/webrev.00/
>
> Thanks,
> Amy