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Revision dcc531a79a68cd725ffe68fe06467c7e8560c8ad authored by Boris Zbarsky on 08 April 2016, 10:15:41 UTC, committed by James Graham on 08 April 2016, 10:47:04 UTC 
Add a test for bug 785941.  r=ms2ger
1 parent 3d7a057
Raw File
textdecoder-streaming.html 
<!DOCTYPE html>
<title>Encoding API: Streaming decode</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/encodings.js"></script>
<script>

var string = '\x00123ABCabc\x80\xFF\u0100\u1000\uFFFD\uD800\uDC00\uDBFF\uDFFF';
var octets = {
    'utf-16le': [0x00,0x00,0x31,0x00,0x32,0x00,0x33,0x00,0x41,0x00,0x42,0x00,
                 0x43,0x00,0x61,0x00,0x62,0x00,0x63,0x00,0x80,0x00,0xFF,0x00,
                 0x00,0x01,0x00,0x10,0xFD,0xFF,0x00,0xD8,0x00,0xDC,0xFF,0xDB,
                 0xFF,0xDF],
    'utf-16be': [0x00,0x00,0x00,0x31,0x00,0x32,0x00,0x33,0x00,0x41,0x00,0x42,
                 0x00,0x43,0x00,0x61,0x00,0x62,0x00,0x63,0x00,0x80,0x00,0xFF,
                 0x01,0x00,0x10,0x00,0xFF,0xFD,0xD8,0x00,0xDC,0x00,0xDB,0xFF,
                 0xDF,0xFF]
};

utf_encodings.forEach(function (encoding) {
    for (var len = 1; len <= 5; ++len) {
        test(function() {
            var encoded = octets[encoding] ||
                          new TextEncoder(encoding).encode(string);

            var out = '';
            var decoder = new TextDecoder(encoding);
            for (var i = 0; i < encoded.length; i += len) {
                var sub = [];
                for (var j = i; j < encoded.length && j < i + len; ++j)
                    sub.push(encoded[j]);
                out += decoder.decode(new Uint8Array(sub), {stream: true});
            }
            out += decoder.decode();
            assert_equals(out, string);
        }, 'Streaming decode: ' + encoding + ', ' + len + ' byte window');
    }
});

</script>
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