src/third_party/WebKit/LayoutTests/fast/encoding/api/utf16-surrogates.html

   1 <!DOCTYPE html>
   2 <title>Encoding API: UTF-16 surrogate handling</title>
   3 <script src="../../../resources/testharness.js"></script>
   4 <script src="../../../resources/testharnessreport.js"></script>
   5 <script src="resources/shared.js"></script>
   6 <script>
   7
   8 var bad = [
   9     {
  10         encoding: 'utf-16le',
  11         input: [0x00, 0xd8],
  12         expected: '\uFFFD',
  13         name: 'lone surrogate lead'
  14     },
  15     {
  16         encoding: 'utf-16le',
  17         input: [0x00, 0xdc],
  18         expected: '\uFFFD',
  19         name: 'lone surrogate trail'
  20     },
  21     {
  22         encoding: 'utf-16le',
  23         input: [0x00, 0xd8, 0x00, 0x00],
  24         expected: '\uFFFD\u0000',
  25         name: 'unmatched surrogate lead'
  26     },
  27     {
  28         encoding: 'utf-16le',
  29         input: [0x00, 0xdc, 0x00, 0x00],
  30         expected: '\uFFFD\u0000',
  31         name: 'unmatched surrogate trail'
  32     },
  33     {
  34         encoding: 'utf-16le',
  35         input: [0x00, 0xdc, 0x00, 0xd8],
  36         expected: '\uFFFD\uFFFD',
  37         name: 'swapped surrogate pair'
  38     }
  39 ];
  40
  41 bad.forEach(function(t) {
  42     test(function() {
  43         assert_equals(new TextDecoder(t.encoding).decode(new Uint8Array(t.input)), t.expected);
  44     }, t.encoding + ' - ' + t.name);
  45     test(function() {
  46         assert_throws({name: 'EncodingError'}, function() {
  47             new TextDecoder(t.encoding, {fatal: true}).decode(new Uint8Array(t.input))
  48         });
  49     }, t.encoding + ' - ' + t.name + ' (fatal flag set)');
  50 });
  51
  52 </script>