RFR: 8326487: ZipFileSystem.getPath("").getFileName() returns null instead of an empty Path

[Jaikiran Pai]

On Tue, 17 Feb 2026 15:27:51 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of this change which proposes to fix the issue reported in https://bugs.openjdk.org/browse/JDK-8326487?
> 
> `java.nio.file.Path.getFileName()` is specified to return a non-null value for an empty path. However, the current implementation of zipfs returns null for an empty path. The commit in this PR addresses that issue in zipfs and introduces a test which reproduces the issue and verifies the fix.

Lance suggested that the existing `test/jdk/jdk/nio/zipfs/PathOps.java` might be a better place for this test. So I've moved the test into that file and updated the PR. I've verified that the test fails without the fix and passes with it.

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PR Comment: https://git.openjdk.org/jdk/pull/29760#issuecomment-3918102623