ref: 67ec1a16297664c91a52f7a4380f3b7f2a1c66fc 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 . / ..