0x38, 0xa4, 0x41, 0x5f, 0x40, 0x81, 0xf9, 0x05, 0x39, 0x77, 0xfe, 0x82, 0xbc, 0xc0, 0x23, 0x2d,
	0x28, 0xc5, 0x81, 0x48, 0xe4, 0xc2, 0xaa, 0xcd, 0x4f, 0x4f, 0x5d, 0xea, 0xec, 0x58, 0xee, 0x3d,
	0x6b, 0x60, 0xea, 0x9b, 0x1a, 0xf7, 0x9e, 0xec, 0x86, 0x77, 0x78, 0x09, 0xdc, 0x4d, 0x27, 0x39,
	0x19, 0xd5, 0xde, 0x9a, 0x82, 0x12, 0xa5, 0x6b, 0x9a, 0x68, 0xf5, 0x77, 0x0a, 0xac, 0xec, 0x51,

		{`'\y'`, "unknown escape", 0, 2},
		{`'\x0'`, "invalid character '\\'' in hexadecimal escape", 0, 4},
		{`'\00'`, "invalid character '\\'' in octal escape", 0, 4},
		{`'\377' /*`, "comment not terminated", 0, 7}, // valid octal escape
		{`'\378`, "invalid character '8' in octal escape", 0, 4},
		{`'\400'`, "octal escape value 256 > 255", 0, 5},
		{`'xx`, "rune literal not terminated", 0, 0},

0375          ; valid                                  # 1.1  GREEK LOWER NUMERAL SIGN
0376          ; mapped                 ; 0377          # 5.1  GREEK CAPITAL LETTER PAMPHYLIAN DIGAMMA
0377          ; valid                                  # 5.1  GREEK SMALL LETTER PAMPHYLIAN DIGAMMA
0378..0379    ; disallowed                             # NA   <reserved-0378>..<reserved-0379>

	from, to := "doesnt-exist", "dest"

	Mkdir(to, 0777)

	if err := Rename(from, to); !IsNotExist(err) {
		t.Errorf("Rename(%q, %q) = %v; want an IsNotExist error", from, to, err)
	}
}

func TestRenameToDirFailed(t *testing.T) {
	defer chtmpdir(t)()
	from, to := "renamefrom", "renameto"

	Mkdir(from, 0777)
	Mkdir(to, 0777)

	err := Rename(from, to)
	switch err := err.(type) {

00000070  9e 0a 53 c8 d6 92 ea 5e  87 5b 46 d3 71 2d d1 df  |..S....^.[F.q-..|
00000080  fa 1e 9a 6a 0e b2 bc d7  91 6e 26 56 17 24 11 d8  |...j.....n&V.$..|
00000090  0f be c0 1d f5 fd c7 9d  2d 3c a0 0f ee 03 70 1f  |........-<....p.|
000000a0  14 03 03 00 01 01 17 03  03 00 17 8e 76 66 0d 44  |............vf.D|
000000b0  aa a2 d9 80 84 7c 6d 42  f0 ee 9f a3 6c b8 83 21  |.....|mB....l..!|

	// Mask for the type bits. For regular files, none will be set.
	ModeType = ModeDir | ModeSymlink | ModeNamedPipe | ModeSocket | ModeDevice | ModeCharDevice | ModeIrregular

	ModePerm FileMode = 0777 // Unix permission bits
)

func (m FileMode) String() string {
	const str = "dalTLDpSugct?"
	var buf [32]byte // Mode is uint32.
	w := 0
	for i, c := range str {
		if m&(1<<uint(32-1-i)) != 0 {

		0x0a, 0x7d, 0x0a, 0x6c, 0x69, 0x73, 0x74, 0x20, 0x7b, 0x0a, 0x7d,
		0x0a, 0x6c, 0x69, 0x73, 0x74, 0x20, 0x7b, 0x0a, 0x7d, 0x0a, 0x6c,
		0x69, 0x73, 0x74, 0x20, 0x7b, 0x0a, 0x20, 0x20, 0x4e, 0x65, 0x77,
		0x20, 0x7b, 0x0a, 0x20, 0x20, 0x20, 0x20, 0x61, 0x62, 0x62, 0x72,
		0x65, 0x76, 0x3a, 0x20, 0x22, 0x5c, 0x30, 0x30, 0x35, 0x5c, 0x30,
		0x30, 0x30, 0x5c, 0x30, 0x30, 0x30, 0x5c, 0x30, 0x30, 0x30, 0x5c,

	1d 28 27 db 27 9c ce 14 50 77 d4 54 a3 66 4d 4e 6d a4 d2 9e e0
	37 25 a6 a4 da fc d0 fc 67 d2 ae a7 05 29 51 3e 3d a2 67 7f a5
	90 6c 5b 3f 7d 8f 92 f2 28 bd a4 0d da 72 14 70 f9 fb f2 97 b5
	ae a6 17 64 6f ac 5c 03 27 2e 97 07 27 c6 21 a7 91 41 ef 5f 7d
	e6 50 5e 5b fb c3 88 e9 33 43 69 40 93 93 4a e4 d3 57 fa d6 aa
	cb 00 21 20 3a dd 4f b2 d8 fd f8 22 a0 ca 3c f7 67 8e f5 e8 8d
	ae 99 01 41 c5 92 4d 57 bb 6f a3 1b 9e 5f 9d`))

					data = []byte(s.Stderr())
					mode = 0666
				default:
					src = s.Path(arg)
					info, err := os.Stat(src)
					if err != nil {
						return nil, err
					}
					mode = info.Mode() & 0777
					data, err = os.ReadFile(src)
					if err != nil {
						return nil, err
					}
				}
				targ := dst
				if dstDir {
					targ = filepath.Join(dst, filepath.Base(src))
				}

00000090  01 08 9f 6e 1a fd 00 68  38 5c 93 d9 9a f7 1e 36  |...n...h8\.....6|
000000a0  ea 17 03 03 00 3e 9f ae  80 ef f4 20 66 e7 44 fc  |.....>..... f.D.|
000000b0  4d a4 3f 0e dc bb 33 47  0f 13 96 fa 03 07 d6 6f  |M.?...3G.......o|
000000c0  cc 9f 3c fd 01 f5 87 d9  ec c9 d0 fc dd bf c8 5c  |..<............\|
000000d0  0b 3d aa a7 c6 1d 90 18  d9 a1 1a a0 a1 ea 49 32  |.=............I2|