The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/intl/uconv/tests/unit/test_bug381412.hk.gb2312.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,73 @@
     1.4 +const charset = "hz-gb-2312";
     1.5 +
     1.6 +function dumpStrings(inString, outString) {
     1.7 +    var dispIn = "";
     1.8 +    var dispOut = "";
     1.9 +    var i;
    1.10 +    for (i = 0; i < inString.length; ++i) {
    1.11 +	dispIn += " x" + inString.charCodeAt(i).toString(16);
    1.12 +    }
    1.13 +    if (outString.length == 0) {
    1.14 +	dispOut = "<empty>";
    1.15 +    } else {
    1.16 +	for (i = 0; i < outString.length; ++i) {
    1.17 +	    dispOut += " x" + outString.charCodeAt(i).toString(16);
    1.18 +	}
    1.19 +    }
    1.20 +    dump("\"" + dispIn + "\" ==> \"" + dispOut + "\"\n");
    1.21 +}
    1.22 +
    1.23 +function error(inString, outString, msg){
    1.24 +    dumpStrings(inString, outString);
    1.25 +    do_throw("security risk: " + msg);
    1.26 +}
    1.27 +
    1.28 +function run_test() {
    1.29 +    var ScriptableUnicodeConverter =
    1.30 +	Components.Constructor("@mozilla.org/intl/scriptableunicodeconverter",
    1.31 +			       "nsIScriptableUnicodeConverter");
    1.32 +
    1.33 +    var converter = new ScriptableUnicodeConverter();
    1.34 +    converter.charset = charset;
    1.35 +
    1.36 +    var leadByte, trailByte;
    1.37 +    var inString;
    1.38 +    for (leadByte = 1; leadByte < 0x100; ++leadByte) {
    1.39 +	for (trailByte = 1; trailByte < 0x100; ++trailByte) {
    1.40 +	    if (leadByte == 0x7e) {
    1.41 +		if (trailByte == 0x7b ||
    1.42 +		    trailByte == 0xa  ||
    1.43 +		    trailByte == 0x7e) {
    1.44 +		    // ignore escape sequences:
    1.45 +		    //  ~{ (sets HZ-GB mode)
    1.46 +		    //  ~\n ( ==> \n)
    1.47 +		    //  ~~ ( ==> ~)
    1.48 +		    continue;
    1.49 +		}
    1.50 +	    }
    1.51 +	    inString = String.fromCharCode(leadByte, trailByte, 65);
    1.52 +	    var outString = converter.ConvertToUnicode(inString) +
    1.53 +		            converter.Finish();
    1.54 +	    switch (outString.length) {
    1.55 +                case 1:
    1.56 +		    error(inString, outString, "2 byte sequence eaten");
    1.57 +		    break;
    1.58 +                case 2:
    1.59 +		    if (outString.charCodeAt(0) < 0x80 &&
    1.60 +			outString.charCodeAt(1) < 0x80) {
    1.61 +			error(inString, outString,
    1.62 +			      "2 byte sequence converted to 1 ASCII");
    1.63 +		    }
    1.64 +		    break;
    1.65 +                case 3:
    1.66 +		    if (outString != inString &&
    1.67 +			outString.charCodeAt(0) < 0x80 &&
    1.68 +			outString.charCodeAt(1) < 0x80) {
    1.69 +			error(inString, outString,
    1.70 +			      "2 byte sequence converted to 2 ASCII");
    1.71 +		    }
    1.72 +		    break;
    1.73 +	    }
    1.74 +	}
    1.75 +    }
    1.76 +}