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

   1 <!DOCTYPE html>
   2 <title>Encoding API: USVString surrogate handling when encoding</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         input: '\uD800',
  11         expected: '\uFFFD',
  12         name: 'lone surrogate lead'
  13     },
  14     {
  15         input: '\uDC00',
  16         expected: '\uFFFD',
  17         name: 'lone surrogate trail'
  18     },
  19     {
  20         input: '\uD800\u0000',
  21         expected: '\uFFFD\u0000',
  22         name: 'unmatched surrogate lead'
  23     },
  24     {
  25         input: '\uDC00\u0000',
  26         expected: '\uFFFD\u0000',
  27         name: 'unmatched surrogate trail'
  28     },
  29     {
  30         input: '\uDC00\uD800',
  31         expected: '\uFFFD\uFFFD',
  32         name: 'swapped surrogate pair'
  33     },
  34     {
  35         input: '\uD834\uDD1E',
  36         expected: '\uD834\uDD1E',
  37         name: 'properly encoded MUSICAL SYMBOL G CLEF (U+1D11E)'
  38     }
  39 ];
  40
  41 var encoding = 'utf-8';
  42
  43 bad.forEach(function(t) {
  44     test(function() {
  45         var encoded = new TextEncoder(encoding).encode(t.input);
  46         var decoded = new TextDecoder(encoding).decode(encoded);
  47         assert_equals(decoded, t.expected);
  48     }, 'USVString handling: ' + t.name);
  49 });
  50
  51 test(function() {
  52     assert_equals(new TextEncoder(encoding).encode().length, 0, 'Should default to empty string');
  53 }, 'USVString default');
  54
  55 </script>