1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
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 == 0) {
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;
}
}
}
}
|
