src/third_party/WebKit/LayoutTests/fast/encoding/api/end-of-file.html

   1 <!DOCTYPE html>
   2 <title>Encoding API: End-of-file</title>
   3 <script src="../../../resources/testharness.js"></script>
   4 <script src="../../../resources/testharnessreport.js"></script>
   5 <script>
   6
   7 test(function() {
   8     [
   9         {encoding: 'utf-8', sequence: [0xC0]},
  10         {encoding: 'utf-16le', sequence: [0x00]},
  11         {encoding: 'utf-16be', sequence: [0x00]}
  12     ].forEach(function(testCase) {
  13
  14         assert_throws({name: 'EncodingError'}, function() {
  15             var decoder = new TextDecoder(testCase.encoding, {fatal: true});
  16             decoder.decode(new Uint8Array(testCase.sequence));
  17         }, 'Unterminated ' + testCase.encoding + ' sequence should throw if fatal flag is set');
  18
  19         assert_equals(
  20             new TextDecoder(testCase.encoding).decode(new Uint8Array([testCase.sequence])),
  21             '\uFFFD',
  22             'Unterminated UTF-8 sequence should emit replacement character if fatal flag is unset');
  23     });
  24 }, 'Fatal flag, non-streaming cases');
  25
  26 test(function() {
  27
  28     var decoder = new TextDecoder('utf-16le', {fatal: true});
  29     var odd = new Uint8Array([0x00]);
  30     var even = new Uint8Array([0x00, 0x00]);
  31
  32     assert_equals(decoder.decode(odd, {stream: true}), '');
  33     assert_equals(decoder.decode(odd), '\u0000');
  34
  35     assert_throws({name: 'EncodingError'}, function() {
  36         decoder.decode(even, {stream: true});
  37         decoder.decode(odd)
  38     });
  39
  40     assert_throws({name: 'EncodingError'}, function() {
  41         decoder.decode(odd, {stream: true});
  42         decoder.decode(even);
  43     });
  44
  45     assert_equals(decoder.decode(even, {stream: true}), '\u0000');
  46     assert_equals(decoder.decode(even), '\u0000');
  47
  48 }, 'Fatal flag, streaming cases');
  49
  50 </script>