tor-browser

The Tor Browser
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utf-32-from-win1252.html (2339B)

      1 <!DOCTYPE html>
      2 <meta charset=windows-1252>
      3 <title>Character Decoding: UTF-32 (not supported) subresource of windows-1252 document</title>
      4 <script src="/resources/testharness.js"></script>
      5 <script src="/resources/testharnessreport.js"></script>
      6 <body>
      7 <script>
      8 
      9 // Since UTF-32 is not supported:
     10 //  * HTML resources will use the parent encoding (windows-1252)
     11 //  * XML resources will default to UTF-8
     12 // ... except for the UTF-32LE-with-BOM case, where the UTF-32
     13 // BOM will be mistaken for a UTF-16LE BOM (FF FE 00 00), in which
     14 // case it will be interpreted as UTF-16LE.
     15 
     16 const samples = [
     17  {file: 'resources/utf-32-big-endian-bom.html',
     18   characterSet: 'windows-1252',
     19   contentType: 'text/html'
     20  },
     21  {file: 'resources/utf-32-big-endian-bom.xml',
     22   characterSet: 'UTF-8',
     23   contentType: 'application/xml'
     24  },
     25  {file: 'resources/utf-32-big-endian-nobom.html',
     26   characterSet: 'windows-1252',
     27   contentType: 'text/html'
     28  },
     29  {file: 'resources/utf-32-big-endian-nobom.xml',
     30   characterSet: 'UTF-8',
     31   contentType: 'application/xml'
     32  },
     33 
     34  {file: 'resources/utf-32-little-endian-bom.html',
     35   characterSet: 'UTF-16LE',
     36   contentType: 'text/html'
     37  },
     38  {file: 'resources/utf-32-little-endian-bom.xml',
     39   characterSet: 'UTF-16LE',
     40   contentType: 'application/xml'
     41  },
     42  {file: 'resources/utf-32-little-endian-nobom.html',
     43   characterSet: 'windows-1252',
     44   contentType: 'text/html'
     45  },
     46  {file: 'resources/utf-32-little-endian-nobom.xml',
     47   characterSet: 'UTF-8',
     48   contentType: 'application/xml'
     49  }
     50 ];
     51 
     52 samples.forEach(expected => async_test(t => {
     53  const iframe = document.createElement('iframe');
     54  iframe.src = expected.file;
     55  iframe.onload = t.step_func_done(() => {
     56    const doc = iframe.contentDocument;
     57    assert_equals(doc.contentType, expected.contentType);
     58    assert_equals(doc.characterSet, expected.characterSet);
     59    // The following is a little quirky as non-well-formed XML isn't defined in sufficient detail to
     60    // be able to use more precise assertions.
     61    assert_true(
     62      !('dataset' in doc.documentElement) ||
     63      doc.documentElement.dataset['parsed'] !== 'yes',
     64      'Should not have parsed as (X)HTML');
     65  });
     66  document.body.appendChild(iframe);
     67  t.add_cleanup(() => iframe.remove());
     68 }, `Expect ${expected.file} to parse as ${expected.characterSet}`));
     69 
     70 </script>
     71 </body>