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https://gitlab.winehq.org/wine/wine-gecko.git
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80 lines
2.2 KiB
JavaScript
80 lines
2.2 KiB
JavaScript
const charset = "GB2312";
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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 IsASCII(charCode) {
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return (charCode <= 0x7e);
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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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var outLen = outString.length;
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for (var pos = 1; pos < 3; ++pos) {
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outPos = outLen - (9 - pos);
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if (outPos < 0) {
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outPos = 0;
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}
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c0 = inString.charCodeAt(0);
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c1 = inString.charCodeAt(1);
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c2 = inString.charCodeAt(2);
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c3 = inString.charCodeAt(3);
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if (IsASCII(inString.charCodeAt(pos)) &&
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!(outString.charCodeAt(outPos) == inString.charCodeAt(pos) ||
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(outString.charCodeAt(outPos) != 0xFFFD) ||
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// legal 4 byte range
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(0x81 <= c0 && c0 <= 0xfe &&
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0x30 <= c1 && c1 <= 0x39 &&
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0x81 <= c2 && c2 <= 0xfe &&
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0x30 <= c3 && c3 <= 0x39))) {
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dump("pos = " + pos + "; outPos = " + outPos + "\n");
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error(inString, outString, "ASCII input eaten");
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}
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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, byte4;
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// 2-byte
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for (byte1 = 1; byte1 < 0x100; ++byte1) {
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for (byte2 = 1; byte2 < 0x100; ++byte2) {
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test(String.fromCharCode(byte1, byte2) + " foo");
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}
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}
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// 4-byte (limited)
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for (byte1 = 0x80; byte1 < 0x90; ++byte1) {
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for (byte2 = 0x20; byte2 < 0x40; ++byte2) {
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for (byte3 = 0x80; byte3 < 0x90; ++byte3) {
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for (byte4 = 0x20; byte4 < 0x40; ++byte4) {
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test(String.fromCharCode(byte1, byte2, byte3, byte4) + " foo");
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}
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}
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}
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}
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}
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