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-rw-r--r--dom/encoding/test/unit/test_misc.js382
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diff --git a/dom/encoding/test/unit/test_misc.js b/dom/encoding/test/unit/test_misc.js
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+// NOTE: Requires testharness.js
+// http://www.w3.org/2008/webapps/wiki/Harness
+
+test(function () {
+ var badStrings = [
+ { input: "\ud800", expected: "\ufffd" }, // Surrogate half
+ { input: "\udc00", expected: "\ufffd" }, // Surrogate half
+ { input: "abc\ud800def", expected: "abc\ufffddef" }, // Surrogate half
+ { input: "abc\udc00def", expected: "abc\ufffddef" }, // Surrogate half
+ { input: "\udc00\ud800", expected: "\ufffd\ufffd" }, // Wrong order
+ ];
+
+ badStrings.forEach(function (t) {
+ var encoded = new TextEncoder().encode(t.input);
+ var decoded = new TextDecoder("utf-8").decode(encoded);
+ assert_equals(t.expected, decoded);
+ });
+}, "bad data");
+
+test(function () {
+ var bad = [
+ { encoding: "utf-8", input: [0xc0] }, // ends early
+ { encoding: "utf-8", input: [0xc0, 0x00] }, // invalid trail
+ { encoding: "utf-8", input: [0xc0, 0xc0] }, // invalid trail
+ { encoding: "utf-8", input: [0xe0] }, // ends early
+ { encoding: "utf-8", input: [0xe0, 0x00] }, // invalid trail
+ { encoding: "utf-8", input: [0xe0, 0xc0] }, // invalid trail
+ { encoding: "utf-8", input: [0xe0, 0x80, 0x00] }, // invalid trail
+ { encoding: "utf-8", input: [0xe0, 0x80, 0xc0] }, // invalid trail
+ { encoding: "utf-8", input: [0xfc, 0x80, 0x80, 0x80, 0x80, 0x80] }, // > 0x10FFFF
+ { encoding: "utf-16le", input: [0x00] }, // truncated code unit
+ { encoding: "utf-16le", input: [0x00, 0xd8] }, // surrogate half
+ { encoding: "utf-16le", input: [0x00, 0xd8, 0x00, 0x00] }, // surrogate half
+ { encoding: "utf-16le", input: [0x00, 0xdc, 0x00, 0x00] }, // trail surrogate
+ { encoding: "utf-16le", input: [0x00, 0xdc, 0x00, 0xd8] }, // swapped surrogates
+ // TODO: Single byte encoding cases
+ ];
+
+ bad.forEach(function (t) {
+ assert_throws({ name: "TypeError" }, function () {
+ new TextDecoder(t.encoding, { fatal: true }).decode(
+ new Uint8Array(t.input)
+ );
+ });
+ });
+}, "fatal flag");
+
+test(function () {
+ var encodings = [
+ { label: "utf-8", encoding: "utf-8" },
+ { label: "utf-16", encoding: "utf-16le" },
+ { label: "utf-16le", encoding: "utf-16le" },
+ { label: "utf-16be", encoding: "utf-16be" },
+ { label: "ascii", encoding: "windows-1252" },
+ { label: "iso-8859-1", encoding: "windows-1252" },
+ ];
+
+ encodings.forEach(function (test) {
+ assert_equals(
+ new TextDecoder(test.label.toLowerCase()).encoding,
+ test.encoding
+ );
+ assert_equals(
+ new TextDecoder(test.label.toUpperCase()).encoding,
+ test.encoding
+ );
+ });
+}, "Encoding names are case insensitive");
+
+test(function () {
+ var utf8_bom = [0xef, 0xbb, 0xbf];
+ var utf8 = [
+ 0x7a, 0xc2, 0xa2, 0xe6, 0xb0, 0xb4, 0xf0, 0x9d, 0x84, 0x9e, 0xf4, 0x8f,
+ 0xbf, 0xbd,
+ ];
+
+ var utf16le_bom = [0xff, 0xfe];
+ var utf16le = [
+ 0x7a, 0x00, 0xa2, 0x00, 0x34, 0x6c, 0x34, 0xd8, 0x1e, 0xdd, 0xff, 0xdb,
+ 0xfd, 0xdf,
+ ];
+
+ var utf16be_bom = [0xfe, 0xff];
+ var utf16be = [
+ 0x00, 0x7a, 0x00, 0xa2, 0x6c, 0x34, 0xd8, 0x34, 0xdd, 0x1e, 0xdb, 0xff,
+ 0xdf, 0xfd,
+ ];
+
+ var string = "z\xA2\u6C34\uD834\uDD1E\uDBFF\uDFFD"; // z, cent, CJK water, G-Clef, Private-use character
+
+ // missing BOMs
+ assert_equals(new TextDecoder("utf-8").decode(new Uint8Array(utf8)), string);
+ assert_equals(
+ new TextDecoder("utf-16le").decode(new Uint8Array(utf16le)),
+ string
+ );
+ assert_equals(
+ new TextDecoder("utf-16be").decode(new Uint8Array(utf16be)),
+ string
+ );
+
+ // matching BOMs
+ assert_equals(
+ new TextDecoder("utf-8").decode(new Uint8Array(utf8_bom.concat(utf8))),
+ string
+ );
+ assert_equals(
+ new TextDecoder("utf-16le").decode(
+ new Uint8Array(utf16le_bom.concat(utf16le))
+ ),
+ string
+ );
+ assert_equals(
+ new TextDecoder("utf-16be").decode(
+ new Uint8Array(utf16be_bom.concat(utf16be))
+ ),
+ string
+ );
+
+ // matching BOMs split
+ var decoder8 = new TextDecoder("utf-8");
+ assert_equals(
+ decoder8.decode(new Uint8Array(utf8_bom.slice(0, 1)), { stream: true }),
+ ""
+ );
+ assert_equals(
+ decoder8.decode(new Uint8Array(utf8_bom.slice(1).concat(utf8))),
+ string
+ );
+ assert_equals(
+ decoder8.decode(new Uint8Array(utf8_bom.slice(0, 2)), { stream: true }),
+ ""
+ );
+ assert_equals(
+ decoder8.decode(new Uint8Array(utf8_bom.slice(2).concat(utf8))),
+ string
+ );
+ var decoder16le = new TextDecoder("utf-16le");
+ assert_equals(
+ decoder16le.decode(new Uint8Array(utf16le_bom.slice(0, 1)), {
+ stream: true,
+ }),
+ ""
+ );
+ assert_equals(
+ decoder16le.decode(new Uint8Array(utf16le_bom.slice(1).concat(utf16le))),
+ string
+ );
+ var decoder16be = new TextDecoder("utf-16be");
+ assert_equals(
+ decoder16be.decode(new Uint8Array(utf16be_bom.slice(0, 1)), {
+ stream: true,
+ }),
+ ""
+ );
+ assert_equals(
+ decoder16be.decode(new Uint8Array(utf16be_bom.slice(1).concat(utf16be))),
+ string
+ );
+
+ // mismatching BOMs
+ assert_not_equals(
+ new TextDecoder("utf-8").decode(new Uint8Array(utf16le_bom.concat(utf8))),
+ string
+ );
+ assert_not_equals(
+ new TextDecoder("utf-8").decode(new Uint8Array(utf16be_bom.concat(utf8))),
+ string
+ );
+ assert_not_equals(
+ new TextDecoder("utf-16le").decode(
+ new Uint8Array(utf8_bom.concat(utf16le))
+ ),
+ string
+ );
+ assert_not_equals(
+ new TextDecoder("utf-16le").decode(
+ new Uint8Array(utf16be_bom.concat(utf16le))
+ ),
+ string
+ );
+ assert_not_equals(
+ new TextDecoder("utf-16be").decode(
+ new Uint8Array(utf8_bom.concat(utf16be))
+ ),
+ string
+ );
+ assert_not_equals(
+ new TextDecoder("utf-16be").decode(
+ new Uint8Array(utf16le_bom.concat(utf16be))
+ ),
+ string
+ );
+}, "Byte-order marks");
+
+test(function () {
+ assert_equals(new TextDecoder("utf-8").encoding, "utf-8"); // canonical case
+ assert_equals(new TextDecoder("UTF-16").encoding, "utf-16le"); // canonical case and name
+ assert_equals(new TextDecoder("UTF-16BE").encoding, "utf-16be"); // canonical case and name
+ assert_equals(new TextDecoder("iso8859-1").encoding, "windows-1252"); // canonical case and name
+ assert_equals(new TextDecoder("iso-8859-1").encoding, "windows-1252"); // canonical case and name
+}, "Encoding names");
+
+test(function () {
+ ["utf-8", "utf-16le", "utf-16be"].forEach(function (encoding) {
+ var string =
+ "\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF";
+ var octets = {
+ "utf-16le": [
+ 0x00, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x41, 0x00, 0x42, 0x00,
+ 0x43, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x80, 0x00, 0xff, 0x00,
+ 0x00, 0x01, 0x00, 0x10, 0xfd, 0xff, 0x00, 0xd8, 0x00, 0xdc, 0xff, 0xdb,
+ 0xff, 0xdf,
+ ],
+ "utf-16be": [
+ 0x00, 0x00, 0x00, 0x31, 0x00, 0x32, 0x00, 0x33, 0x00, 0x41, 0x00, 0x42,
+ 0x00, 0x43, 0x00, 0x61, 0x00, 0x62, 0x00, 0x63, 0x00, 0x80, 0x00, 0xff,
+ 0x01, 0x00, 0x10, 0x00, 0xff, 0xfd, 0xd8, 0x00, 0xdc, 0x00, 0xdb, 0xff,
+ 0xdf, 0xff,
+ ],
+ };
+ var encoded = octets[encoding] || new TextEncoder().encode(string);
+
+ for (var len = 1; len <= 5; ++len) {
+ var out = "",
+ decoder = new TextDecoder(encoding);
+ for (var i = 0; i < encoded.length; i += len) {
+ var sub = [];
+ for (var j = i; j < encoded.length && j < i + len; ++j) {
+ sub.push(encoded[j]);
+ }
+ out += decoder.decode(new Uint8Array(sub), { stream: true });
+ }
+ out += decoder.decode();
+ assert_equals(out, string, "streaming decode " + encoding);
+ }
+ });
+}, "Streaming Decode");
+
+test(function () {
+ var jis = [0x82, 0xc9, 0x82, 0xd9, 0x82, 0xf1];
+ var expected = "\u306B\u307B\u3093"; // Nihon
+ assert_equals(
+ new TextDecoder("shift_jis").decode(new Uint8Array(jis)),
+ expected
+ );
+}, "Shift_JIS Decode");
+
+test(function () {
+ var encodings = [
+ "utf-8",
+ "ibm866",
+ "iso-8859-2",
+ "iso-8859-3",
+ "iso-8859-4",
+ "iso-8859-5",
+ "iso-8859-6",
+ "iso-8859-7",
+ "iso-8859-8",
+ "iso-8859-8-i",
+ "iso-8859-10",
+ "iso-8859-13",
+ "iso-8859-14",
+ "iso-8859-15",
+ "iso-8859-16",
+ "koi8-r",
+ "koi8-u",
+ "macintosh",
+ "windows-874",
+ "windows-1250",
+ "windows-1251",
+ "windows-1252",
+ "windows-1253",
+ "windows-1254",
+ "windows-1255",
+ "windows-1256",
+ "windows-1257",
+ "windows-1258",
+ "x-mac-cyrillic",
+ "gbk",
+ "gb18030",
+ "big5",
+ "euc-jp",
+ "iso-2022-jp",
+ "shift_jis",
+ "euc-kr",
+ "x-user-defined",
+ ];
+
+ encodings.forEach(function (encoding) {
+ var string = "",
+ bytes = [];
+ for (var i = 0; i < 128; ++i) {
+ // Encodings that have escape codes in 0x00-0x7F
+ if (
+ encoding === "iso-2022-jp" &&
+ (i === 0x1b || i === 0xe || i === 0xf)
+ ) {
+ continue;
+ }
+
+ string += String.fromCharCode(i);
+ bytes.push(i);
+ }
+ var ascii_encoded = new TextEncoder().encode(string);
+ assert_equals(
+ new TextDecoder(encoding).decode(ascii_encoded),
+ string,
+ encoding
+ );
+ //assert_array_equals(new TextEncoder().encode(string), bytes, encoding);
+ });
+}, "Supersets of ASCII decode ASCII correctly");
+
+test(function () {
+ assert_throws({ name: "TypeError" }, function () {
+ new TextDecoder("utf-8", { fatal: true }).decode(new Uint8Array([0xff]));
+ });
+ // This should not hang:
+ new TextDecoder("utf-8").decode(new Uint8Array([0xff]));
+
+ assert_throws({ name: "TypeError" }, function () {
+ new TextDecoder("utf-16", { fatal: true }).decode(new Uint8Array([0x00]));
+ });
+ // This should not hang:
+ new TextDecoder("utf-16").decode(new Uint8Array([0x00]));
+
+ assert_throws({ name: "TypeError" }, function () {
+ new TextDecoder("utf-16be", { fatal: true }).decode(new Uint8Array([0x00]));
+ });
+ // This should not hang:
+ new TextDecoder("utf-16be").decode(new Uint8Array([0x00]));
+}, "Non-fatal errors at EOF");
+
+test(function () {
+ var encodings = [
+ "utf-8",
+ "ibm866",
+ "iso-8859-2",
+ "iso-8859-3",
+ "iso-8859-4",
+ "iso-8859-5",
+ "iso-8859-6",
+ "iso-8859-7",
+ "iso-8859-8",
+ "iso-8859-8-i",
+ "iso-8859-10",
+ "iso-8859-13",
+ "iso-8859-14",
+ "iso-8859-15",
+ "iso-8859-16",
+ "koi8-r",
+ "koi8-u",
+ "macintosh",
+ "windows-874",
+ "windows-1250",
+ "windows-1251",
+ "windows-1252",
+ "windows-1253",
+ "windows-1254",
+ "windows-1255",
+ "windows-1256",
+ "windows-1257",
+ "windows-1258",
+ "x-mac-cyrillic",
+ "gbk",
+ "gb18030",
+ "big5",
+ "euc-jp",
+ "iso-2022-jp",
+ "shift_jis",
+ "euc-kr",
+ "x-user-defined",
+ "utf-16le",
+ "utf-16be",
+ ];
+
+ encodings.forEach(function (encoding) {
+ assert_equals(new TextDecoder(encoding).encoding, encoding);
+ assert_equals(new TextEncoder(encoding).encoding, "utf-8");
+ });
+}, "Non-UTF-8 encodings supported only for decode, not encode");
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