ref: 6ba50de2f15f5f52e154f053a077d354789f0a2b
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