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const charset = "EUC-JP";
const ScriptableUnicodeConverter = Components.Constructor(
"@mozilla.org/intl/scriptableunicodeconverter",
"nsIScriptableUnicodeConverter"
);
var gConverter;
function error(inString, outString, msg) {
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');
do_throw("security risk: " + msg);
}
function test(inString) {
var outString = gConverter.ConvertToUnicode(inString) + gConverter.Finish();
switch (outString.length) {
case 0:
case 1:
case 2:
error(inString, outString, "Unexpected error");
break;
case 3:
error(inString, outString, "3 byte sequence eaten");
break;
case 4:
if (
outString.charCodeAt(0) < 0x80 &&
outString.charCodeAt(1) < 0x80 &&
outString.charCodeAt(2) < 0x80 &&
outString.charCodeAt(3) < 0x80
) {
error(inString, outString, "3 byte sequence converted to 1 ASCII");
}
break;
case 5:
if (
outString != inString &&
outString.charCodeAt(0) < 0x80 &&
outString.charCodeAt(1) < 0x80 &&
outString.charCodeAt(2) < 0x80 &&
outString.charCodeAt(3) < 0x80 &&
outString.charCodeAt(4) < 0x80
) {
error(inString, outString, "3 byte sequence converted to 2 ASCII");
}
break;
case 6:
if (
outString != inString &&
outString.charCodeAt(0) < 0x80 &&
outString.charCodeAt(1) < 0x80 &&
outString.charCodeAt(2) < 0x80 &&
outString.charCodeAt(3) < 0x80 &&
outString.charCodeAt(4) < 0x80 &&
outString.charCodeAt(5) < 0x80
) {
error(inString, outString, "3 byte sequence converted to 3 ASCII");
}
break;
}
}
function run_test() {
gConverter = new ScriptableUnicodeConverter();
gConverter.charset = charset;
var byte1, byte2, byte3;
for (byte1 = 1; byte1 < 0x100; ++byte1) {
for (byte2 = 1; byte2 < 0x100; ++byte2) {
if (byte1 == 0x8f) {
for (byte3 = 1; byte3 < 0x100; ++byte3) {
test(String.fromCharCode(byte1, byte2, byte3) + "foo");
}
} else {
test(String.fromCharCode(byte1, byte2) + " foo");
}
}
}
}
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