Content - 207cf372baaf96d54ec52f4df77f1e474f1f9652 - 2702f7b/encoding/textdecoder-utf16-surrogates.html

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Tip revision: 41e499191f8b6b39e09f21dc97b939b58bf60776 authored by Chris Nardi on 13 March 2018, 20:45:10 UTC
Rewrite CSSOM index tests

Tip revision: 41e4991

textdecoder-utf16-surrogates.html

<!DOCTYPE html>
<title>Encoding API: UTF-16 surrogate handling</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>

var bad = [
    {
        encoding: 'utf-16le',
        input: [0x00, 0xd8],
        expected: '\uFFFD',
        name: 'lone surrogate lead'
    },
    {
        encoding: 'utf-16le',
        input: [0x00, 0xdc],
        expected: '\uFFFD',
        name: 'lone surrogate trail'
    },
    {
        encoding: 'utf-16le',
        input: [0x00, 0xd8, 0x00, 0x00],
        expected: '\uFFFD\u0000',
        name: 'unmatched surrogate lead'
    },
    {
        encoding: 'utf-16le',
        input: [0x00, 0xdc, 0x00, 0x00],
        expected: '\uFFFD\u0000',
        name: 'unmatched surrogate trail'
    },
    {
        encoding: 'utf-16le',
        input: [0x00, 0xdc, 0x00, 0xd8],
        expected: '\uFFFD\uFFFD',
        name: 'swapped surrogate pair'
    }
];

bad.forEach(function(t) {
    test(function() {
        assert_equals(new TextDecoder(t.encoding).decode(new Uint8Array(t.input)), t.expected);
    }, t.encoding + ' - ' + t.name);
    test(function() {
        assert_throws(new TypeError(), function() {
            new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input))
        });
    }, t.encoding + ' - ' + t.name + ' (fatal flag set)');
});

</script>

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