enc = "Shift_JIS";
        assertEquals("Shift_JIS", encodingHelper.normalize(enc));

        enc = "S-JIS";
        assertEquals("S-JIS", encodingHelper.normalize(enc));
    }

    public void test_normalize_map() {
        String enc;

        encodingHelper.addEncodingMapping("S-JIS", "Shift_JIS");

        enc = "UTF-8";
        assertEquals("UTF-8", encodingHelper.normalize(enc));

be
bei
bet
bus
būti
būtų
buvo
dėl
gali
į
iki
ir
iš
ja
ją
jai
jais
jam
jame
jas
jei
ji
jį
jie
jiedu
jiedvi
jiedviem
jiedviese
jiems
jis
jo
jodviem
jog
joje
jomis
joms
jos
jose
jų
judu
judvi
judviejų
jųdviejų
judviem
judviese
jumis
jums
jumyse
juo
juodu
juodviese
juos
juose
jus
jūs

			comment: "in the 世界",
			flags:   0x808,
		},
		{
			name:    "the replacement rune is �",
			comment: "the replacement rune is �",
			flags:   0x808,
		},
		{
			// Name is Japanese encoded in Shift JIS.
			name:    "\x93\xfa\x96{\x8c\xea.txt",
			comment: "in the 世界",
			flags:   0x008, // UTF-8 must not be set
		},
	}

	// write a zip file
	buf := new(bytes.Buffer)
	w := NewWriter(buf)

		// local character encoding. Most encoding are compatible with a large
		// subset of CP-437, which itself is ASCII-like.
		//
		// Forbid 0x7e and 0x5c since EUC-KR and Shift-JIS replace those
		// characters with localized currency and overline characters.
		if r < 0x20 || r > 0x7d || r == 0x5c {
			if !utf8.ValidRune(r) || (r == utf8.RuneError && size == 1) {
				return false, false
			}

		// Some ZIP writers use UTF-8 encoding without setting the UTF-8 flag.
		// Since it is impossible to always distinguish valid UTF-8 from some
		// other encoding (e.g., GBK or Shift-JIS), we trust the flag.
		f.NonUTF8 = f.Flags&0x800 == 0
	}

	needUSize := f.UncompressedSize == ^uint32(0)
	needCSize := f.CompressedSize == ^uint32(0)
	needHeaderOffset := f.headerOffset == int64(^uint32(0))

				Mode:    0644,
				// Name is valid UTF-8, but format does not have UTF-8 flag set.
				// We don't do UTF-8 detection for multi-byte runes due to
				// false-positives with other encodings (e.g., Shift-JIS).
				// Format says encoding is not UTF-8, so we trust it.
				NonUTF8:  true,
				Modified: time.Date(2017, 11, 6, 13, 9, 27, 0, timeZone(-8*time.Hour)),
			},
		},
	},
	{
		Name: "utf8-osx.zip",

["ant", "apie", "ar", "arba", "aš", "be", "bei", "bet", "bus", "būti", "būtų", "buvo", "dėl", "gali", "į", "iki", "ir", "iš", "ja", "ją", "jai", "jais", "jam", "jame", "jas", "jei", "ji", "jį", "jie", "jiedu", "jiedvi", "jiedviem", "jiedviese", "jiems", "jis", "jo", "jodviem", "jog", "joje", "jomis", "joms", "jos", "jose", "jų", "judu", "judvi", "judviejų", "jųdviejų", "judviem", "judviese", "jumis", "jums", "jumyse", "juo", "juodu", "juodviese", "juos", "juose", "jus", "jūs", "jūsų", "ką", "kad", "kai",...

["ant", "apie", "ar", "arba", "aš", "be", "bei", "bet", "bus", "būti", "būtų", "buvo", "dėl", "gali", "į", "iki", "ir", "iš", "ja", "ją", "jai", "jais", "jam", "jame", "jas", "jei", "ji", "jį", "jie", "jiedu", "jiedvi", "jiedviem", "jiedviese", "jiems", "jis", "jo", "jodviem", "jog", "joje", "jomis", "joms", "jos", "jose", "jų", "judu", "judvi", "judviejų", "jųdviejų", "judviem", "judviese", "jumis", "jums", "jumyse", "juo", "juodu", "juodviese", "juos", "juose", "jus", "jūs", "jūsų", "ką", "kad", "kai",...