}{
		{"GET", "/", "&http.handler{i:1}"},
		{"GET", "//", `&http.redirectHandler{url:"/", code:301}`},
		{"GET", "/foo/../bar/./..//baz", `&http.redirectHandler{url:"/baz", code:301}`},
		{"GET", "/foo", "&http.handler{i:3}"},
		{"GET", "/foo/x", "&http.handler{i:2}"},
		{"GET", "/bar/x", "&http.handler{i:4}"},
		{"GET", "/bar", `&http.redirectHandler{url:"/bar/", code:301}`},
		{"CONNECT", "/", "&http.handler{i:1}"},

	// redirect for /tree/.
	if u, ok := mux.redirectToPathSlash(host, path, r.URL); ok {
		return RedirectHandler(u.String(), StatusMovedPermanently), u.Path
	}

	if path != r.URL.Path {
		_, pattern = mux.handler(host, path)
		u := &url.URL{Path: path, RawQuery: r.URL.RawQuery}
		return RedirectHandler(u.String(), StatusMovedPermanently), pattern
	}

	return mux.handler(host, r.URL.Path)
}