RFR: 8367027: java/lang/ProcessBuilder/Basic.java fails on Windows AArch64

[Roger Riggs]

On Sat, 6 Sep 2025 20:44:55 GMT, Saint Wesonga <duke at openjdk.org> wrote:

> This test fails with errors like >'=C:=,=ExitValue=3,PROCESSOR_ARCHITECTURE=ARM64,SystemRoot=C:\Windows,'< not equal to '=C:=,=ExitValue=3,SystemRoot=C:\Windows,'
> 
> The test does not expect the PROCESSOR_ARCHITECTURE variable to be returned from the ProcessBuilder (called at https://github.com/openjdk/jdk/blob/431f46724658b703e995e518cb7a2149c50d6a9d/test/jdk/java/lang/ProcessBuilder/Basic.java#L127 for example). The fix is to treat it as an expected variable and strip it out from the results, similar to how macOS and AIX strip out their expected variables.
> 
> The winEnvFilter method needs to be updated because some checks like https://github.com/openjdk/jdk/blob/431f46724658b703e995e518cb7a2149c50d6a9d/test/jdk/java/lang/ProcessBuilder/Basic.java#L1694 have the output on separate lines as opposed to the inline comma-separated format where removeWindowsAArch64ExpectedVars is used.

Look fine. 
I can't think but there might be a cleaner way to refactor the code, but this works and is similar to the existing adhoc fixups.

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Marked as reviewed by rriggs (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27131#pullrequestreview-3198132573