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/* Test case for bug 563618
*
* Uses nsIConverterInputStream to decode invalid EUC-JP text
*
*/
const { NetUtil } = ChromeUtils.importESModule(
"resource://gre/modules/NetUtil.sys.mjs"
);
const test = [
// 0: 0x8e followed by hi byte, not valid JIS X 0201
[
"abcdefghijklmnopqrstuvwxyz12test00%8e%80foobar",
// expected: one replacement character, invalid byte eaten
"abcdefghijklmnopqrstuvwxyz12test00\uFFFDfoobar",
],
// 1: 0x8e followed by ASCII
[
"abcdefghijklmnopqrstuvwxyz12test01%8efoobar",
// expected: one replacement character, invalid byte not eaten
"abcdefghijklmnopqrstuvwxyz12test01\uFFFDfoobar",
],
// 2: JIS X 0208 lead byte followed by invalid hi byte
[
"abcdefghijklmnopqrstuvwxyz12test02%bf%80foobar",
// expected: one replacement character, invalid byte eaten
"abcdefghijklmnopqrstuvwxyz12test02\uFFFDfoobar",
],
// 3: JIS X 0208 lead byte followed by ASCII
[
"abcdefghijklmnopqrstuvwxyz12test03%bffoobar",
// expected: one replacement character, invalid byte not eaten
"abcdefghijklmnopqrstuvwxyz12test03\uFFFDfoobar",
],
];
const ConverterInputStream = Components.Constructor(
"@mozilla.org/intl/converter-input-stream;1",
"nsIConverterInputStream",
"init"
);
function testCase(testText, expectedText, bufferLength, charset) {
var dataURI = "data:text/plain;charset=" + charset + "," + testText;
var channel = NetUtil.newChannel({
uri: dataURI,
loadUsingSystemPrincipal: true,
});
var testInputStream = channel.open();
var testConverter = new ConverterInputStream(
testInputStream,
charset,
bufferLength,
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);
if (outStr != expectedText) {
dump("Failed with bufferLength = " + bufferLength + "\n");
if (outStr.length == expectedText.length) {
for (let i = 0; i < outStr.length; ++i) {
if (outStr.charCodeAt(i) != expectedText.charCodeAt(i)) {
dump(
i +
": " +
outStr.charCodeAt(i).toString(16) +
" != " +
expectedText.charCodeAt(i).toString(16) +
"\n"
);
}
}
}
}
// escape the strings before comparing for better readability
Assert.equal(escape(outStr), escape(expectedText));
}
function run_test() {
for (var i = 0; i < test.length; ++i) {
for (var bufferLength = 32; bufferLength < 40; ++bufferLength) {
testCase(test[i][0], test[i][1], bufferLength, "EUC-JP");
}
}
}
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