[roll] Roll third_party/pigweed pw_digital_io_linux: Refactor test

This separates the mocked file descriptor (VFS) code from the digital IO
test, and provides improved flexibility and clarity of implementing new
files.

This also adds comments to the tests.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/196051
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Original-Revision: 5b96d29bb8a6ff0e47393276da856f7ffbd6465d
GitOrigin-RevId: 23e96cd265bc1fc5f1b086ba79f673a40dcb17db
Change-Id: I787c97ee1955be1a501196faf68ff62a26d452fd
1 file changed
tree: 06cd39c71e3aa30e5347fd17eaf0d210e8771eb5
  1. ctf/
  2. git-hooks/
  3. infra/
  4. third_party/
  5. cts
  6. firmware
  7. flower
  8. jiri.lock
  9. MILESTONE
  10. minimal
  11. prebuilts
  12. README.md
  13. stem
  14. test_durations
  15. toolchain
README.md

Integration

This repository contains Fuchsia's Global Integration manifest files.

Making changes

All changes should be made to the internal version of this repository. Our infrastructure automatically updates this version when the internal one changes.

Currently all changes must be made by a Google employee. Non-Google employees wishing to make a change can ask for assistance via the IRC channel #fuchsia on Freenode.

Obtaining the source

First install Jiri.

Next run:

$ jiri init
$ jiri import minimal https://fuchsia.googlesource.com/integration
$ jiri update

Third party

Third party projects should have their own subdirectory in ./third_party.