RFR: 8366359: Test should throw SkippedException when there is no lpstat [v3]

[SendaoYan]

On Fri, 29 Aug 2025 09:27:38 GMT, Alexey Ivanov <aivanov at openjdk.org> wrote:

>> SendaoYan has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Remove unnecessary whitespace
>
> test/jdk/javax/print/PrintServiceLookup/CountPrintServices.java line 57:
> 
>> 55:         }
>> 56:     }
>> 57:     proc.waitFor();
> 
> If `IOException` is thrown, `proc` will be `null` which will produce `NullPointerException`.
> 
> I think you should re-throw the `IOException` if its message is different from the case where you throw `SkippedException`.

I have re-thow the IOException if the SkippedException do not throw.

But I have no idea how to verify this special situation( `Runtime.getRuntime().exec(lpcmd)` throw IOException but do not contains "No such file or directory" stack trace )

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PR Review Comment: https://git.openjdk.org/jdk/pull/26988#discussion_r2309807528