зеркало из https://github.com/mozilla/gecko-dev.git
90 строки
2.5 KiB
JavaScript
90 строки
2.5 KiB
JavaScript
const charset = "EUC-JP";
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const ScriptableUnicodeConverter =
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Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
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"nsIScriptableUnicodeConverter");
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var gConverter;
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function error(inString, outString, msg){
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var dispIn = "";
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var dispOut = "";
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var i;
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for (i = 0; i < inString.length; ++i) {
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dispIn += " x" + inString.charCodeAt(i).toString(16);
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}
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if (outString.length == 0) {
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dispOut = "<empty>";
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} else {
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for (i = 0; i < outString.length; ++i) {
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dispOut += " x" + outString.charCodeAt(i).toString(16);
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}
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}
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dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
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do_throw("security risk: " + msg);
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}
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function test(inString) {
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var outString = gConverter.ConvertToUnicode(inString) +
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gConverter.Finish();
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switch (outString.length) {
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case 0:
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case 1:
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case 2:
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error(inString, outString, "Unexpected error");
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break;
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case 3:
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error(inString, outString, "3 byte sequence eaten");
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break;
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case 4:
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if (outString.charCodeAt(0) < 0x80 &&
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outString.charCodeAt(1) < 0x80 &&
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outString.charCodeAt(2) < 0x80 &&
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outString.charCodeAt(3) < 0x80) {
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error(inString, outString,
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"3 byte sequence converted to 1 ASCII");
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}
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break;
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case 5:
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if (outString != inString &&
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outString.charCodeAt(0) < 0x80 &&
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outString.charCodeAt(1) < 0x80 &&
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outString.charCodeAt(2) < 0x80 &&
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outString.charCodeAt(3) < 0x80 &&
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outString.charCodeAt(4) < 0x80) {
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error(inString, outString,
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"3 byte sequence converted to 2 ASCII");
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}
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break;
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case 6:
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if (outString != inString &&
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outString.charCodeAt(0) < 0x80 &&
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outString.charCodeAt(1) < 0x80 &&
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outString.charCodeAt(2) < 0x80 &&
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outString.charCodeAt(3) < 0x80 &&
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outString.charCodeAt(4) < 0x80 &&
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outString.charCodeAt(5) < 0x80) {
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error(inString, outString,
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"3 byte sequence converted to 3 ASCII");
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}
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break;
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}
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}
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function run_test() {
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gConverter = new ScriptableUnicodeConverter();
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gConverter.charset = charset;
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var byte1, byte2, byte3;
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for (byte1 = 1; byte1 < 0x100; ++byte1) {
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for (byte2 = 1; byte2 < 0x100; ++byte2) {
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if (byte1 == 0x8f) {
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for (byte3 = 1; byte3 < 0x100; ++byte3) {
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test(String.fromCharCode(byte1, byte2, byte3) + "foo");
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}
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} else {
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test(String.fromCharCode(byte1, byte2) + " foo");
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}
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}
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}
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}
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