gecko/intl/uconv/tests/unit/test_bug563618.js
2010-05-11 17:38:25 +03:00

80 lines
2.8 KiB
JavaScript

/* Test case for bug 563618
*
* Uses nsIConverterInputStream to decode invalid EUC-JP text
*
*/
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 IOService = Components.Constructor("@mozilla.org/network/io-service;1",
"nsIIOService");
const ConverterInputStream =
Components.Constructor("@mozilla.org/intl/converter-input-stream;1",
"nsIConverterInputStream",
"init");
const ios = new IOService();
function testCase(testText, expectedText, bufferLength, charset)
{
var dataURI = "data:text/plain;charset=" + charset + "," + testText;
var channel = ios.newChannel(dataURI, "", null);
var testInputStream = channel.open();
var testConverter = new ConverterInputStream(testInputStream,
charset,
bufferLength,
0xFFFD);
if (!(testConverter instanceof
Components.interfaces.nsIUnicharLineInputStream))
throw "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 (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
do_check_eq(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");
}
}
}