ref: 81dd01c05a820dbbfb0fe2cb720d90de26282e62 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 . / ..