RFR: 8368846: java/io/File/createTempFile/TargetDirectory fails when run by root user

[Brian Burkhalter]

On Mon, 29 Sep 2025 08:28:38 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

> The test checks whether writing to a read-only directory throws a `IOException`. This test is not applicable when the user running the test is root. Thus, I propose to skip it.
> 
> I converted the class to several JUnit tests, so we can use `@DisabledIf`.

test/jdk/java/io/File/createTempFile/TargetDirectory.java line 29:

> 27:  * @summary Verify directory parameter behavior in File.createTempFile(String,String,File)
> 28:  * @library /test/lib
> 29:  * @run junit/othervm TargetDirectory

Is `othervm` needed here?

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PR Review Comment: https://git.openjdk.org/jdk/pull/27542#discussion_r2415228400