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// Tests illegal UTF-8 sequences
var Cc = Components.Constructor;
const { NetUtil } = ChromeUtils.importESModule(
"resource://gre/modules/NetUtil.sys.mjs"
);
const tests = [
{
inStrings: [
"%80", // Illegal or incomplete sequences
"%8f",
"%90",
"%9f",
"%a0",
"%bf",
"%c0",
"%c1",
"%c2",
"%df",
"%e0",
"%e0%a0",
"%e0%bf",
"%ed%80",
"%ed%9f",
"%ef",
"%ef%bf",
"%f0",
"%f0%90",
"%f0%90%80",
"%f0%90%bf",
"%f0%bf",
"%f0%bf%80",
"%f0%bf%bf",
"%f4",
"%f4%80",
"%f4%80%80",
"%f4%80%bf",
"%f4%8f",
"%f4%8f%80",
"%f4%8f%bf",
"%f5",
"%f7",
"%f8",
"%fb",
"%fc",
"%fd",
],
expected: "ABC\ufffdXYZ",
},
{
inStrings: [
"%c0%af", // Illegal bytes in 2-octet
"%c1%af",
], // sequences
expected: "ABC\ufffd\ufffdXYZ",
},
{
inStrings: [
"%e0%80%80", // Illegal bytes in 3-octet
"%e0%80%af", // sequences
"%e0%9f%bf",
// long surrogates
"%ed%a0%80", // D800
"%ed%ad%bf", // DB7F
"%ed%ae%80", // DB80
"%ed%af%bf", // DBFF
"%ed%b0%80", // DC00
"%ed%be%80", // DF80
"%ed%bf%bf",
], // DFFF
expected: "ABC\ufffd\ufffd\ufffdXYZ",
},
{
inStrings: [
"%f0%80%80%80", // Illegal bytes in 4-octet
"%f0%80%80%af", // sequences
"%f0%8f%bf%bf",
"%f4%90%80%80",
"%f4%bf%bf%bf",
"%f5%80%80%80",
"%f7%bf%bf%bf",
],
expected: "ABC\ufffd\ufffd\ufffd\ufffdXYZ",
},
{
inStrings: [
"%f8%80%80%80%80", // Illegal bytes in 5-octet
"%f8%80%80%80%af", // sequences
"%fb%bf%bf%bf%bf",
],
expected: "ABC\ufffd\ufffd\ufffd\ufffd\ufffdXYZ",
},
// Surrogate pairs
{
inStrings: [
"%ed%a0%80%ed%b0%80", // D800 DC00
"%ed%a0%80%ed%bf%bf", // D800 DFFF
"%ed%ad%bf%ed%b0%80", // DB7F DC00
"%ed%ad%bf%ed%bf%bf", // DB7F DFFF
"%ed%ae%80%ed%b0%80", // DB80 DC00
"%ed%ae%80%ed%bf%bf", // DB80 DFFF
"%ed%af%bf%ed%b0%80", // DBFF DC00
"%ed%ad%bf%ed%bf%bf", // DBFF DFFF
"%fc%80%80%80%80%80", // Illegal bytes in 6-octet
"%fc%80%80%80%80%af", // sequences
"%fd%bf%bf%bf%bf%bf",
],
expected: "ABC\ufffd\ufffd\ufffd\ufffd\ufffd\ufffdXYZ",
},
];
function testCaseInputStream(inStr, expected) {
var dataURI = "data:text/plain; charset=UTF-8,ABC" + inStr + "XYZ";
dump(inStr + "==>");
var ConverterInputStream = Cc(
"@mozilla.org/intl/converter-input-stream;1",
"nsIConverterInputStream",
"init"
);
var channel = NetUtil.newChannel({
uri: dataURI,
loadUsingSystemPrincipal: true,
});
var testInputStream = channel.open();
var testConverter = new ConverterInputStream(
testInputStream,
"UTF-8",
16,
0xfffd
);
if (!(testConverter instanceof Ci.nsIUnicharLineInputStream)) {
throw new Error("not line input stream");
}
var outStr = "";
var more;
do {
// read the line and check for eof
var line = {};
more = testConverter.readLine(line);
outStr += line.value;
} while (more);
dump(outStr + "; expected=" + expected + "\n");
Assert.equal(outStr, expected);
Assert.equal(outStr.length, expected.length);
}
function run_test() {
for (var t of tests) {
for (var inStr of t.inStrings) {
testCaseInputStream(inStr, t.expected);
}
}
}
|
