ref: 6c0e6856de4a72b7d6ab99a184d213b18a3dea14
dir: /test/data/stdpathnorm-expected/
. foo foo/bar /foo/bar . . foo foo/bar/baz /foo/bar foo/bar /foo/bar foo/bar /foo/bar ../../foo/bar foo . .. / /foo/bar ../../foo/bar foo . / .. a/b a/b/c foo foo/bar