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/*
* test_TextDecoderOptions.js
*/
/* eslint-env mozilla/testharness */
function runTextDecoderOptions() {
const data = [
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab,
0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3,
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb,
];
const expectedString =
"\u00a0\u0e01\u0e02\u0e03\u0e04\u0e05\u0e06\u0e07" +
"\u0e08\u0e09\u0e0a\u0e0b\u0e0c\u0e0d\u0e0e\u0e0f" +
"\u0e10\u0e11\u0e12\u0e13\u0e14\u0e15\u0e16\u0e17" +
"\u0e18\u0e19\u0e1a\u0e1b\u0e1c\u0e1d\u0e1e\u0e1f" +
"\u0e20\u0e21\u0e22\u0e23\u0e24\u0e25\u0e26\u0e27" +
"\u0e28\u0e29\u0e2a\u0e2b\u0e2c\u0e2d\u0e2e\u0e2f" +
"\u0e30\u0e31\u0e32\u0e33\u0e34\u0e35\u0e36\u0e37" +
"\u0e38\u0e39\u0e3a\u0e3f\u0e40\u0e41\u0e42\u0e43" +
"\u0e44\u0e45\u0e46\u0e47\u0e48\u0e49\u0e4a\u0e4b" +
"\u0e4c\u0e4d\u0e4e\u0e4f\u0e50\u0e51\u0e52\u0e53" +
"\u0e54\u0e55\u0e56\u0e57\u0e58\u0e59\u0e5a\u0e5b";
test(testDecoderGetEncoding, "testDecoderGetEncoding");
test(testDecodeGreek, "testDecodeGreek");
test(function () {
testConstructorFatalOption(data, expectedString);
}, "testConstructorFatalOption");
test(function () {
testConstructorEncodingOption(data, expectedString);
}, "testConstructorEncodingOption");
test(function () {
testDecodeStreamOption(data, expectedString);
}, "testDecodeStreamOption");
test(testDecodeStreamCompositions, "testDecodeStreamCompositions");
test(function () {
testDecodeABVOption(data, expectedString);
}, "testDecodeABVOption");
test(testDecoderForThaiEncoding, "testDecoderForThaiEncoding");
test(testInvalid2022JP, "testInvalid2022JP");
test(testDecoderForBig5, "testDecoderForBig5");
}
/*
* function testConstructor()
*
* - This function tests the constructor optional arguments.
* - Stream option remains null for this test.
* - The stream option is passed to the decode function.
* - This function is not testing the decode function.
*
*/
function testConstructorFatalOption() {
//invalid string to decode passed, fatal = false
testCharset({
fatal: false,
encoding: "iso-8859-11",
input: [],
expected: "",
msg: "constructor fatal option set to false test.",
});
//invalid string to decode passed, fatal = true
testCharset({
fatal: true,
encoding: "iso-8859-11",
input: [],
expected: "",
msg: "constructor fatal option set to true test.",
});
}
function testConstructorEncodingOption(aData, aExpectedString) {
function errorMessage(encoding) {
return `TextDecoder constructor: The given encoding '${String(
encoding
).trim()}' is not supported.`;
}
// valid encoding passed
var encoding = "iso-8859-11";
testCharset({
encoding,
input: aData,
expected: aExpectedString,
msg: "decoder testing constructor valid encoding.",
});
// passing spaces for encoding
encoding = " ";
testCharset({
encoding,
input: aData,
error: "RangeError",
errorMessage: errorMessage(encoding),
msg: "constructor encoding, spaces encoding test.",
});
// invalid encoding passed
encoding = "asdfasdf";
testCharset({
encoding,
input: aData,
error: "RangeError",
errorMessage: errorMessage(encoding),
msg: "constructor encoding, invalid encoding test.",
});
// null encoding passed
encoding = null;
testCharset({
encoding,
input: aData,
error: "RangeError",
errorMessage: errorMessage(encoding),
msg: 'constructor encoding, "null" encoding test.',
});
// empty encoding passed
encoding = "";
testCharset({
encoding,
input: aData,
error: "RangeError",
errorMessage: errorMessage(encoding),
msg: "constructor encoding, empty encoding test.",
});
// replacement character test
aExpectedString =
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd" +
"\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd\ufffd";
testCharset({
encoding: "utf-8",
input: aData,
expected: aExpectedString,
msg: "constuctor encoding, utf-8 test.",
});
}
/*
* function testDecodeStreamOption()
*
* - fatal remains null for the entire test
* - encoding remains as "iso-8859-11"
* - The stream option is modified for this test.
* - ArrayBufferView is modified for this test.
*/
function testDecodeStreamOption(data, expectedString) {
const streamData = [];
const expectedStreamString = [];
const chunkSize = data.length / 3;
for (let i = 0; i < data.length; i += chunkSize) {
streamData.push(data.slice(i, i + chunkSize));
expectedStreamString.push(expectedString.slice(i, i + chunkSize));
}
// streaming test
/* - the streaming is null
* - streaming is not set in the decode function
*/
testCharset({
encoding: "iso-8859-11",
array: [
{ input: streamData[0], expected: expectedStreamString[0] },
{ input: streamData[1], expected: expectedStreamString[1] },
{ input: streamData[2], expected: expectedStreamString[2] },
],
msg: "decode() stream test zero.",
});
testCharset({
encoding: "iso-8859-11",
array: [
{ input: streamData[0], expected: expectedStreamString[0], stream: true },
{ input: streamData[1], expected: expectedStreamString[1], stream: true },
{ input: streamData[2], expected: expectedStreamString[2], stream: true },
],
msg: "decode() stream test one.",
});
testCharset({
encoding: "iso-8859-11",
array: [
{ input: streamData[0], expected: expectedStreamString[0], stream: true },
{ input: streamData[1], expected: expectedStreamString[1] },
{ input: streamData[2], expected: expectedStreamString[2] },
],
msg: "decode() stream test two.",
});
testCharset({
encoding: "utf-8",
array: [
{ input: [0xc2], expected: "\uFFFD" },
{ input: [0x80], expected: "\uFFFD" },
],
msg: "decode() stream test utf-8.",
});
testCharset({
encoding: "utf-8",
fatal: true,
array: [
{ input: [0xc2], error: "TypeError" },
{ input: [0x80], error: "TypeError" },
],
msg: "decode() stream test utf-8 fatal.",
});
}
function testDecodeStreamCompositions() {
var tests = [
{ encoding: "utf-8", input: [0xc2, 0x80], expected: ["", "\x80"] },
{
encoding: "utf-8",
input: [0xef, 0xbb, 0xbf, 0xc2, 0x80],
expected: ["", "", "", "", "\x80"],
},
{ encoding: "utf-16", input: [0x01, 0x00], expected: ["", "\x01"] },
{
encoding: "utf-16",
input: [0x01, 0x00, 0x03, 0x02],
expected: ["", "\x01", "", "\u0203"],
},
{ encoding: "utf-16", input: [0xff, 0xfd], expected: ["", "\uFDFF"] },
{ encoding: "utf-16", input: [0xff, 0xfe], expected: ["", ""] },
{ encoding: "utf-16", input: [0xff, 0xff], expected: ["", "\uFFFF"] },
{
encoding: "utf-16",
input: [0xff, 0xfe, 0x01, 0x00],
expected: ["", "", "", "\x01"],
},
{
encoding: "utf-16",
input: [0xff, 0xfe, 0xff, 0xfe],
expected: ["", "", "", "\uFEFF"],
},
{
encoding: "utf-16",
input: [0xff, 0xfe, 0xfe, 0xff],
expected: ["", "", "", "\uFFFE"],
},
{ encoding: "utf-16", input: [0xfd, 0xfe], expected: ["", "\uFEFD"] },
{ encoding: "utf-16", input: [0xfd, 0xff], expected: ["", "\uFFFD"] },
{ encoding: "utf-16", input: [0xfe, 0xfd], expected: ["", "\uFDFE"] },
{ encoding: "utf-16", input: [0xfe, 0xfe], expected: ["", "\uFEFE"] },
{ encoding: "utf-16", input: [0xfe, 0xff], expected: ["", "\uFFFE"] },
{
encoding: "utf-16",
input: [0xfe, 0xff, 0x01, 0x00],
expected: ["", "\uFFFE", "", "\x01"],
},
{
encoding: "utf-16",
input: [0xfe, 0xff, 0xff, 0xfe],
expected: ["", "\uFFFE", "", "\uFEFF"],
},
{
encoding: "utf-16",
input: [0xfe, 0xff, 0xfe, 0xff],
expected: ["", "\uFFFE", "", "\uFFFE"],
},
{ encoding: "utf-16le", input: [0x01, 0x00], expected: ["", "\x01"] },
{
encoding: "utf-16le",
input: [0x01, 0x00, 0x03, 0x02],
expected: ["", "\x01", "", "\u0203"],
},
{
encoding: "utf-16le",
input: [0xff, 0xfe, 0x01, 0x00],
expected: ["", "", "", "\x01"],
},
{
encoding: "utf-16le",
input: [0xfe, 0xff, 0x01, 0x00],
expected: ["", "\uFFFE", "", "\x01"],
},
{ encoding: "utf-16be", input: [0x01, 0x00], expected: ["", "\u0100"] },
{
encoding: "utf-16be",
input: [0x01, 0x00, 0x03, 0x02],
expected: ["", "\u0100", "", "\u0302"],
},
{ encoding: "utf-16be", input: [0xfd, 0xfe], expected: ["", "\uFDFE"] },
{ encoding: "utf-16be", input: [0xfd, 0xff], expected: ["", "\uFDFF"] },
{ encoding: "utf-16be", input: [0xfe, 0xfd], expected: ["", "\uFEFD"] },
{ encoding: "utf-16be", input: [0xfe, 0xfe], expected: ["", "\uFEFE"] },
{ encoding: "utf-16be", input: [0xfe, 0xff], expected: ["", ""] },
{
encoding: "utf-16be",
input: [0xfe, 0xff, 0x01, 0x00],
expected: ["", "", "", "\u0100"],
},
{ encoding: "utf-16be", input: [0xff, 0xfd], expected: ["", "\uFFFD"] },
{ encoding: "utf-16be", input: [0xff, 0xfe], expected: ["", "\uFFFE"] },
{ encoding: "utf-16be", input: [0xff, 0xff], expected: ["", "\uFFFF"] },
{
encoding: "utf-16be",
input: [0xff, 0xfe, 0x01, 0x00],
expected: ["", "\uFFFE", "", "\u0100"],
},
{ encoding: "shift_jis", input: [0x81, 0x40], expected: ["", "\u3000"] },
];
tests.forEach(function (t) {
(function generateCompositions(a, n) {
a.push(n);
var l = a.length - 1;
var array = [];
for (var i = 0, o = 0; i <= l; i++) {
array.push({
input: t.input.slice(o, o + a[i]),
expected: t.expected.slice(o, (o += a[i])).join(""),
stream: i < l,
});
}
testCharset({
encoding: t.encoding,
array,
msg: "decode() stream test " + t.encoding + " " + a.join("-") + ".",
});
while (a[l] > 1) {
a[l]--;
generateCompositions(a.slice(0), n - a[l]);
}
})([], t.input.length);
});
}
/*
* function testDecodeABVOption()
*
* - ABV for ArrayBufferView
* - fatal remains null for the entire test
* - encoding remains as "iso-8859-11"
* - The stream option is modified for this test.
* - ArrayBufferView is modified for this test.
*/
function testDecodeABVOption(data, expectedString) {
// valid data
testCharset({
encoding: "iso-8859-11",
input: data,
expected: expectedString,
msg: "decode test ABV valid data.",
});
// invalid empty data
testCharset({
encoding: "iso-8859-11",
input: [],
expected: "",
msg: "decode test ABV empty data.",
});
// spaces
testCharset({
encoding: "iso-8859-11",
input: ["\u0020\u0020"],
expected: "\0",
msg: "text decoding ABV string test.",
});
testCharset({
encoding: "iso-8859-11",
input: [""],
expected: "\0",
msg: "text decoding ABV empty string test.",
});
// null for Array Buffer
testCharset({
encoding: "iso-8859-11",
input: null,
error: "TypeError",
msg: "text decoding ABV null test.",
});
}
function testDecodeGreek() {
var data = [
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab,
0xac, 0xad, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, 0xb8,
0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3, 0xc4,
0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, 0xd0,
0xd1, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd,
0xde, 0xdf, 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9,
0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5,
0xf6, 0xf7, 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe,
];
var expectedString =
"\u00a0\u2018\u2019\u00a3\u20ac\u20af\u00a6\u00a7\u00a8" +
"\u00a9\u037a\u00ab\u00ac\u00ad\u2015\u00b0\u00b1" +
"\u00b2\u00b3\u0384\u0385\u0386\u00b7\u0388\u0389" +
"\u038a\u00bb\u038c\u00bd\u038e\u038f\u0390\u0391" +
"\u0392\u0393\u0394\u0395\u0396\u0397\u0398\u0399" +
"\u039a\u039b\u039c\u039d\u039e\u039f\u03a0\u03a1" +
"\u03a3\u03a4\u03a5\u03a6\u03a7\u03a8\u03a9\u03aa" +
"\u03ab\u03ac\u03ad\u03ae\u03af\u03b0\u03b1\u03b2" +
"\u03b3\u03b4\u03b5\u03b6\u03b7\u03b8\u03b9\u03ba" +
"\u03bb\u03bc\u03bd\u03be\u03bf\u03c0\u03c1\u03c2" +
"\u03c3\u03c4\u03c5\u03c6\u03c7\u03c8\u03c9\u03ca" +
"\u03cb\u03cc\u03cd\u03ce";
testCharset({
encoding: "greek",
input: data,
expected: expectedString,
msg: "decode greek test.",
});
}
function testDecoderForThaiEncoding() {
// TEST One
const data = [
0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, 0xa8, 0xa9, 0xaa, 0xab,
0xac, 0xad, 0xae, 0xaf, 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7,
0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, 0xc0, 0xc1, 0xc2, 0xc3,
0xc4, 0xc5, 0xc6, 0xc7, 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf,
0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, 0xd8, 0xd9, 0xda, 0xdf,
0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, 0xe8, 0xe9, 0xea, 0xeb,
0xec, 0xed, 0xee, 0xef, 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7,
0xf8, 0xf9, 0xfa, 0xfb,
];
const expectedString =
"\u00a0\u0e01\u0e02\u0e03\u0e04\u0e05\u0e06\u0e07\u0e08\u0e09\u0e0a\u0e0b\u0e0c\u0e0d\u0e0e\u0e0f\u0e10\u0e11\u0e12\u0e13\u0e14\u0e15\u0e16\u0e17\u0e18\u0e19\u0e1a\u0e1b\u0e1c\u0e1d\u0e1e\u0e1f\u0e20\u0e21\u0e22\u0e23\u0e24\u0e25\u0e26\u0e27\u0e28\u0e29\u0e2a\u0e2b\u0e2c\u0e2d\u0e2e\u0e2f\u0e30\u0e31\u0e32\u0e33\u0e34\u0e35\u0e36\u0e37\u0e38\u0e39\u0e3a\u0e3f\u0e40\u0e41\u0e42\u0e43\u0e44\u0e45\u0e46\u0e47\u0e48\u0e49\u0e4a\u0e4b\u0e4c\u0e4d\u0e4e\u0e4f\u0e50\u0e51\u0e52\u0e53\u0e54\u0e55\u0e56\u0e57\u0e58\u0e59\u0e5a\u0e5b";
testCharset({
encoding: "iso-8859-11",
input: data,
expected: expectedString,
msg: "decoder testing valid ISO-8859-11 encoding.",
});
}
function testDecoderGetEncoding() {
var labelEncodings = [
{ encoding: "utf-8", labels: ["unicode-1-1-utf-8", "utf-8", "utf8"] },
{ encoding: "ibm866", labels: ["866", "cp866", "csibm866", "ibm866"] },
{
encoding: "iso-8859-2",
labels: [
"csisolatin2",
"iso-8859-2",
"iso-ir-101",
"iso8859-2",
"iso88592",
"iso_8859-2",
"iso_8859-2:1987",
"l2",
"latin2",
],
},
{
encoding: "iso-8859-3",
labels: [
"csisolatin3",
"iso-8859-3",
"iso-ir-109",
"iso8859-3",
"iso88593",
"iso_8859-3",
"iso_8859-3:1988",
"l3",
"latin3",
],
},
{
encoding: "iso-8859-4",
labels: [
"csisolatin4",
"iso-8859-4",
"iso-ir-110",
"iso8859-4",
"iso88594",
"iso_8859-4",
"iso_8859-4:1988",
"l4",
"latin4",
],
},
{
encoding: "iso-8859-5",
labels: [
"csisolatincyrillic",
"cyrillic",
"iso-8859-5",
"iso-ir-144",
"iso8859-5",
"iso88595",
"iso_8859-5",
"iso_8859-5:1988",
],
},
{
encoding: "iso-8859-6",
labels: [
"arabic",
"asmo-708",
"csiso88596e",
"csiso88596i",
"csisolatinarabic",
"ecma-114",
"iso-8859-6",
"iso-8859-6-e",
"iso-8859-6-i",
"iso-ir-127",
"iso8859-6",
"iso88596",
"iso_8859-6",
"iso_8859-6:1987",
],
},
{
encoding: "iso-8859-7",
labels: [
"csisolatingreek",
"ecma-118",
"elot_928",
"greek",
"greek8",
"iso-8859-7",
"iso-ir-126",
"iso8859-7",
"iso88597",
"iso_8859-7",
"iso_8859-7:1987",
"sun_eu_greek",
],
},
{
encoding: "iso-8859-8",
labels: [
"csiso88598e",
"csisolatinhebrew",
"hebrew",
"iso-8859-8",
"iso-8859-8-e",
"iso-ir-138",
"iso8859-8",
"iso88598",
"iso_8859-8",
"iso_8859-8:1988",
"visual",
],
},
{
encoding: "iso-8859-8-i",
labels: ["csiso88598i", "iso-8859-8-i", "logical"],
},
{
encoding: "iso-8859-10",
labels: [
"csisolatin6",
"iso-8859-10",
"iso-ir-157",
"iso8859-10",
"iso885910",
"l6",
"latin6",
],
},
{
encoding: "iso-8859-13",
labels: ["iso-8859-13", "iso8859-13", "iso885913"],
},
{
encoding: "iso-8859-14",
labels: ["iso-8859-14", "iso8859-14", "iso885914"],
},
{
encoding: "iso-8859-15",
labels: [
"csisolatin9",
"iso-8859-15",
"iso8859-15",
"iso885915",
"iso_8859-15",
"l9",
],
},
{ encoding: "iso-8859-16", labels: ["iso-8859-16"] },
{
encoding: "koi8-r",
labels: ["cskoi8r", "koi", "koi8", "koi8-r", "koi8_r"],
},
{ encoding: "koi8-u", labels: ["koi8-u"] },
{
encoding: "macintosh",
labels: ["csmacintosh", "mac", "macintosh", "x-mac-roman"],
},
{
encoding: "windows-874",
labels: [
"dos-874",
"iso-8859-11",
"iso8859-11",
"iso885911",
"tis-620",
"windows-874",
],
},
{
encoding: "windows-1250",
labels: ["cp1250", "windows-1250", "x-cp1250"],
},
{
encoding: "windows-1251",
labels: ["cp1251", "windows-1251", "x-cp1251"],
},
{
encoding: "windows-1252",
labels: [
"ansi_x3.4-1968",
"ascii",
"cp1252",
"cp819",
"csisolatin1",
"ibm819",
"iso-8859-1",
"iso-ir-100",
"iso8859-1",
"iso88591",
"iso_8859-1",
"iso_8859-1:1987",
"l1",
"latin1",
"us-ascii",
"windows-1252",
"x-cp1252",
],
},
{
encoding: "windows-1253",
labels: ["cp1253", "windows-1253", "x-cp1253"],
},
{
encoding: "windows-1254",
labels: [
"cp1254",
"csisolatin5",
"iso-8859-9",
"iso-ir-148",
"iso8859-9",
"iso88599",
"iso_8859-9",
"iso_8859-9:1989",
"l5",
"latin5",
"windows-1254",
"x-cp1254",
],
},
{
encoding: "windows-1255",
labels: ["cp1255", "windows-1255", "x-cp1255"],
},
{
encoding: "windows-1256",
labels: ["cp1256", "windows-1256", "x-cp1256"],
},
{
encoding: "windows-1257",
labels: ["cp1257", "windows-1257", "x-cp1257"],
},
{
encoding: "windows-1258",
labels: ["cp1258", "windows-1258", "x-cp1258"],
},
{
encoding: "x-mac-cyrillic",
labels: ["x-mac-cyrillic", "x-mac-ukrainian"],
},
{
encoding: "gbk",
labels: [
"chinese",
"csgb2312",
"csiso58gb231280",
"gb2312",
"gb_2312",
"gb_2312-80",
"gbk",
"iso-ir-58",
"x-gbk",
],
},
{ encoding: "gb18030", labels: ["gb18030"] },
{
encoding: "big5",
labels: ["big5", "cn-big5", "csbig5", "x-x-big5", "big5-hkscs"],
},
{
encoding: "euc-jp",
labels: ["cseucpkdfmtjapanese", "euc-jp", "x-euc-jp"],
},
{ encoding: "iso-2022-jp", labels: ["csiso2022jp", "iso-2022-jp"] },
{
encoding: "shift_jis",
labels: [
"csshiftjis",
"ms932",
"ms_kanji",
"shift-jis",
"shift_jis",
"sjis",
"windows-31j",
"x-sjis",
],
},
{
encoding: "euc-kr",
labels: [
"cseuckr",
"csksc56011987",
"euc-kr",
"iso-ir-149",
"korean",
"ks_c_5601-1987",
"ks_c_5601-1989",
"ksc5601",
"ksc_5601",
"windows-949",
],
},
{ encoding: "utf-16le", labels: ["utf-16", "utf-16le"] },
{ encoding: "utf-16be", labels: ["utf-16be"] },
{ encoding: "x-user-defined", labels: ["x-user-defined"] },
{
error: "RangeError",
labels: [
"x-windows-949",
"\u0130SO-8859-1",
"csiso2022kr",
"iso-2022-kr",
"iso-2022-cn",
"iso-2022-cn-ext",
"replacement",
"hz-gb-2312",
],
},
];
for (var le of labelEncodings) {
for (var label of le.labels) {
try {
var decoder = new TextDecoder(label);
} catch (e) {
assert_true(!!le.error, label + " shoud not throw " + e.name);
assert_equals(
e.name,
le.error,
label + " label encoding unsupported test."
);
continue;
}
assert_true(!le.error, label + " shoud throw " + le.error);
assert_equals(
decoder.encoding,
le.encoding,
label + " label encoding test."
);
}
}
}
function testCharset(test) {
try {
var fatal = test.fatal ? { fatal: test.fatal } : null;
var decoder = new TextDecoder(test.encoding, fatal);
} catch (e) {
assert_equals(
e.name,
test.error,
test.msg + " error thrown from the constructor."
);
if (test.errorMessage) {
assert_equals(
e.message,
test.errorMessage,
test.msg + " error thrown from the constructor."
);
}
return;
}
var array = test.array || [test];
var num_strings = array.length;
for (var i = 0; i < num_strings; i++) {
var decodeView =
array[i].input !== null ? new Uint8Array(array[i].input) : null;
var stream = array[i].stream ? { stream: array[i].stream } : null;
var outText;
try {
outText = decoder.decode(decodeView, stream);
} catch (e) {
assert_equals(
e.name,
array[i].error,
test.msg + " error thrown from decode()."
);
return;
}
var expected = array[i].expected;
if (outText !== expected) {
assert_equals(
escape(outText),
escape(expected),
test.msg + " Code points do not match expected code points."
);
break;
}
}
assert_true(!test.error, test.msg);
}
function testInvalid2022JP() {
var inputs = [
[0x80],
[0x1b, 0xff],
[0x1b, 0x28, 0xff],
[0x1b, 0x24, 0x80],
[0x1b, 0x24, 0x28, 0x80],
[0x1b, 0x28, 0x4a, 0xff],
[0x1b, 0x28, 0x49, 0xff],
[0x1b, 0x24, 0x40, 0x20],
[0x1b, 0x24, 0x41, 0x20],
[0x1b, 0x24, 0x42, 0x20],
[0x1b, 0x24, 0x28, 0x43, 0x20],
[0x1b, 0x24, 0x28, 0x44, 0x20],
[0x1b, 0x24, 0x40, 0x80, 0x21],
[0x1b, 0x24, 0x41, 0xff, 0x21],
[0x1b, 0x24, 0x42, 0x80, 0x21],
[0x1b, 0x24, 0x28, 0x43, 0xff, 0x21],
[0x1b, 0x24, 0x28, 0x44, 0x80, 0x21],
[0x1b, 0x24, 0x40, 0x21, 0x20],
[0x1b, 0x24, 0x41, 0x21, 0x20],
[0x1b, 0x24, 0x42, 0x21, 0x20],
[0x1b, 0x24, 0x28, 0x43, 0x21, 0x20],
[0x1b, 0x24, 0x28, 0x44, 0x21, 0x20],
[0x1b, 0x2e, 0xff],
[0x1b, 0x4e, 0x20],
[0x1b, 0x4e, 0x7f],
[0x1b, 0x2e, 0x41, 0x1b, 0x4e, 0x80],
[0x1b, 0x2e, 0x41, 0x1b, 0x4e, 0xff],
];
var failureCount = 0;
inputs.forEach(function (input) {
try {
// decode() should never throw unless {fatal: true} is specified
new TextDecoder("iso-2022-jp").decode(new Uint8Array(input));
} catch (e) {
if (e.name !== "TypeError") {
throw e;
}
failureCount++;
}
});
assert_equals(
failureCount,
0,
failureCount + " of " + inputs.length + " tests failed"
);
}
function testDecoderForBig5() {
const inputs = [
[0x61, 0x62],
[0x87, 0x40],
[0xfe, 0xfe],
[0xfe, 0xfd],
[0x88, 0x62],
[0x88, 0x64],
[0x88, 0x66],
[0x88, 0xa3],
[0x88, 0xa5],
[0x88, 0xa7],
[0x99, 0xd4],
[0x99, 0xd5],
[0x99, 0xd6],
[0x61, 0x87, 0x40, 0x62],
[0x61, 0xfe, 0xfe, 0x62],
[0x61, 0xfe, 0xfd, 0x62],
[0x61, 0x88, 0x62, 0x62],
[0x61, 0x88, 0x64, 0x62],
[0x61, 0x88, 0x66, 0x62],
[0x61, 0x88, 0xa3, 0x62],
[0x61, 0x88, 0xa5, 0x62],
[0x61, 0x88, 0xa7, 0x62],
[0x61, 0x99, 0xd4, 0x62],
[0x61, 0x99, 0xd5, 0x62],
[0x61, 0x99, 0xd6, 0x62],
[0x80, 0x61],
[0xff, 0x61],
[0xfe, 0x39],
[0x87, 0x66],
[0x81, 0x40],
[0x61, 0x81],
];
const expectations = [
"\u0061\u0062",
"\u43F0",
"\u79D4",
"\uD864\uDD0D",
"\u00CA\u0304",
"\u00CA\u030C",
"\u00CA",
"\u00EA\u0304",
"\u00EA\u030C",
"\u00EA",
"\u8991",
"\uD85E\uDD67",
"\u8A29",
"\u0061\u43F0\u0062",
"\u0061\u79D4\u0062",
"\u0061\uD864\uDD0D\u0062",
"\u0061\u00CA\u0304\u0062",
"\u0061\u00CA\u030C\u0062",
"\u0061\u00CA\u0062",
"\u0061\u00EA\u0304\u0062",
"\u0061\u00EA\u030C\u0062",
"\u0061\u00EA\u0062",
"\u0061\u8991\u0062",
"\u0061\uD85E\uDD67\u0062",
"\u0061\u8A29\u0062",
"\uFFFD\u0061",
"\uFFFD\u0061",
"\uFFFD\u0039",
"\uFFFD\u0066",
"\uFFFD\u0040",
"\u0061\uFFFD",
];
for (var i = 0; i < inputs.length; i++) {
testCharset({
encoding: "big5",
input: inputs[i],
expected: expectations[i],
msg: "decoder test #" + i + " for big5.",
});
}
}