Integrated: 8334339: Test java/nio/file/attribute/BasicFileAttributeView/CreationTime.java fails on alinux3

[SendaoYan]

On Sun, 16 Jun 2024 08:15:27 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
>   The testcase `java/nio/file/attribute/BasicFileAttributeView/CreationTime.java` fails on alinux3(alibaba cloud linux version 3) after [JDK-8316304](https://bugs.openjdk.org/browse/JDK-8316304).
>   The testcase use /tmp directory to create the file and get the createtime(birth time) of this file. But on alinux3(alibaba cloud linux version 3), the /tmp is mount as tmpfs, it's not a real physic disk paitition, it's mount from RAM, and the alinux3 doesn't support get the `birth time` on tmpfs.
>   On ubuntu 22, when I create a file on /dev/shm(it's also a tmpfs type partition), stat also doesn't support `birth time`.
>   According to the [Java API doc](https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/nio/file/attribute/BasicFileAttributes.html#creationTime()), If the file system implementation does not support a time stamp to indicate the time when the file was created, the creationTime() API return the epoch (1970-01-01T00:00:00Z).
> 
>   So in this PR, if the test directory(on linux the test directory is /tmp) doesn't support `birth time`, the test throw a jtreg.SkippedException, rather than report a failure.
>   And in this PR, I create a new test, change the test directory from /tmp to `pwd`, which the current work directory maybe at diffrent partition to /tmp, and the current work directory support `birth time` possibly.
> 
>  The change has been verified on below env:
> 
> - [x] alinux3 run test CreationTime.java
> - [x] windows run test CreationTime.java
> 
> [windows-CreationTime.java.log](https://github.com/user-attachments/files/15857148/windows-CreationTime.java.log)
> [alinux3-CreationTime.java.log](https://github.com/user-attachments/files/15857149/alinux3-CreationTime.java.log)

This pull request has now been integrated.

Changeset: 7baddc20
Author:    SendaoYan <syan at openjdk.org>
Committer: Alan Bateman <alanb at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/7baddc202a9ab2b85401aa05f827678b514ebf55
Stats:     29 lines in 1 file changed: 21 ins; 0 del; 8 mod

8334339: Test java/nio/file/attribute/BasicFileAttributeView/CreationTime.java fails on alinux3

Reviewed-by: alanb

-------------

PR: https://git.openjdk.org/jdk/pull/19737