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const charset = "Big5-HKSCS";
function dumpStrings(inString, outString) {
var dispIn = "";
var dispOut = "";
var i;
for (i = 0; i < inString.length; ++i) {
dispIn += " x" + inString.charCodeAt(i).toString(16);
}
if (!outString.length) {
dispOut = "<empty>";
} else {
for (i = 0; i < outString.length; ++i) {
dispOut += " x" + outString.charCodeAt(i).toString(16);
}
}
dump('"' + dispIn + '" ==> "' + dispOut + '"\n');
}
function error(inString, outString, msg) {
dumpStrings(inString, outString);
do_throw("security risk: " + msg);
}
function run_test() {
var ScriptableUnicodeConverter = Components.Constructor(
"@mozilla.org/intl/scriptableunicodeconverter",
"nsIScriptableUnicodeConverter"
);
var converter = new ScriptableUnicodeConverter();
converter.charset = charset;
var leadByte, trailByte;
var inString;
for (leadByte = 1; leadByte < 0x100; ++leadByte) {
for (trailByte = 1; trailByte < 0x100; ++trailByte) {
inString = String.fromCharCode(leadByte, trailByte, 65);
var outString = converter.ConvertToUnicode(inString) + converter.Finish();
switch (outString.length) {
case 1:
error(inString, outString, "2 byte sequence eaten");
break;
case 2:
if (
outString.charCodeAt(0) < 0x80 &&
outString.charCodeAt(1) < 0x80
) {
error(inString, outString, "2 byte sequence converted to 1 ASCII");
}
break;
case 3:
if (
outString != inString &&
outString.charCodeAt(0) < 0x80 &&
outString.charCodeAt(1) < 0x80
) {
error(inString, outString, "2 byte sequence converted to 2 ASCII");
}
break;
}
}
}
}
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