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tests/TC005-inline-xattr-user.md

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+# Test Case: Inline user xattrs
+
+**Test ID**: TC005-inline-xattr-user
+**Fixture**: `basic.erofs`, `/inline-user`
+
+## Objective
+
+Verify inline `user` namespace list/get and binary-value handling on FreeBSD.
+Generate and qualify the image as described in `G4-MANUAL-SETUP.md`; the
+manifest must classify `comment` and `special.chars` as inline entries.
+
+## Manual steps
+
+```sh
+unit=$(mdconfig -a -t vnode -f /tmp/repo22-g4/images/basic.erofs)
+mount -t erofs -o ro /dev/${unit} /mnt/repo22-g4
+stat -f 'mode=%Sp size=%z inode=%i' /mnt/repo22-g4/inline-user
+lsextattr user /mnt/repo22-g4/inline-user
+getextattr -qq -x user comment /mnt/repo22-g4/inline-user
+getextattr -qq -x user special.chars /mnt/repo22-g4/inline-user
+truss -o /tmp/tc005.truss getextattr -qq user missing /mnt/repo22-g4/inline-user
+grep extattr_get_file /tmp/tc005.truss
+umount /mnt/repo22-g4
+mdconfig -d -u "${unit#md}"
+```
+
+## Expected results
+
+The names appear once. `comment` is hex
+`696e6c696e652d757365722d76616c7565007461696c`; `special.chars` is
+`7370656369616c2d76616c7565`. The missing name returns `ENOATTR` (87), and
+cleanup leaves no mount or md provider.