var Ci = Components.interfaces,
    Cc = Components.classes,
    CC = Components.Constructor;
var converter = Cc["@mozilla.org/intl/scriptableunicodeconverter"]
                  .createInstance(Ci.nsIScriptableUnicodeConverter);
converter.charset = "UTF-8";

var SIS = CC("@mozilla.org/scriptableinputstream;1",
             "nsIScriptableInputStream",
             "init");

function test_char(code) {
    dump("test_char(0x" + code.toString(16) + ")\n");
    var original = String.fromCharCode(code);
    var nativeStream = converter.convertToInputStream(original);
    var stream = new SIS(nativeStream);
    var utf8Result = stream.read(stream.available());
    stream.close();
    var result = converter.ConvertToUnicode(utf8Result);
    do_check_eq(escape(original), escape(result));
}

function run_test() {
    // This is not a very comprehensive test.
    for (var i = 0x007f - 2; i <= 0x007f; i++)
        test_char(i);
    for (i = 0x07ff - 2; i <= 0x07ff; i++)
        test_char(i);
    for (i = 0x1000 - 2; i <= 0x1000 + 2; i++)
        test_char(i);
    for (i = 0xe000; i <= 0xe000 + 2; i++)
        test_char(i);
}