tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

test_fileBlobSubWorker.xhtml (2993B)

      1 <?xml version="1.0"?>
      2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
      3 <?xml-stylesheet type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"?>
      4 <!--
      5 https://bugzilla.mozilla.org/show_bug.cgi?id=664783
      6 -->
      7 <window title="Mozilla Bug 664783"
      8        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
      9  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
     10  <script type="application/javascript" src="dom_worker_helper.js"/>
     11 
     12  <!-- test results are displayed in the html:body -->
     13  <body xmlns="http://www.w3.org/1999/xhtml">
     14  <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
     15     target="_blank">Mozilla Bug 664783</a>
     16 
     17  <div id="content" style="display: none">
     18    <input id="fileList" type="file"></input>
     19  </div>
     20 
     21  </body>
     22 
     23  <!-- test code goes here -->
     24  <script type="application/javascript">
     25  <![CDATA[
     26 
     27  /** Test for Bug 664783 */
     28 
     29  var fileNum = 0;
     30 
     31  /**
     32   * Create a file which contains the given data and optionally adds the specified file extension.
     33   */
     34  function createFileWithData(fileData, /** optional */ extension) {
     35    var testFile = Cc["@mozilla.org/file/directory_service;1"]
     36                       .getService(Ci.nsIProperties)
     37                       .get("ProfD", Ci.nsIFile);
     38    var fileExtension = (extension == undefined) ? "" : "." + extension;
     39    testFile.append("workerBlobSubWorker" + fileNum++ + fileExtension);
     40 
     41    var outStream = Cc["@mozilla.org/network/file-output-stream;1"]
     42                        .createInstance(Ci.nsIFileOutputStream);
     43    outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
     44                   0o666, 0);
     45    outStream.write(fileData, fileData.length);
     46    outStream.close();
     47 
     48    var fileList = document.getElementById('fileList');
     49    fileList.value = testFile.path;
     50 
     51    return fileList.files[0];
     52  }
     53 
     54  /**
     55   * Create a worker to access blob properties.
     56   */
     57  function accessFileProperties(file, expectedSize) {
     58    var worker = new Worker("fileBlobSubWorker_worker.js");
     59 
     60    worker.onerror = function(event) {
     61      ok(false, "Worker had an error: " + event.message);
     62      finish();
     63    };
     64 
     65    worker.onmessage = function(event) {
     66      if (event.data == undefined) {
     67        ok(false, "Worker had an error.");
     68      } else {
     69        is(event.data.size, expectedSize, "size proproperty accessed from worker is not the same as on main thread.");
     70      }
     71      finish();
     72    };
     73 
     74    var blob = file.slice();
     75    worker.postMessage(blob);
     76    waitForWorkerFinish();
     77  }
     78 
     79  // Empty file.
     80  accessFileProperties(createFileWithData(""), 0);
     81 
     82  // Typical use case.
     83  accessFileProperties(createFileWithData("Hello"), 5);
     84 
     85  // Longish file.
     86  var text = "";
     87  for (var i = 0; i < 10000; ++i) {
     88    text += "long";
     89  }
     90  accessFileProperties(createFileWithData(text), 40000);
     91 
     92  // Type detection based on extension.
     93  accessFileProperties(createFileWithData("text", "txt"), 4);
     94 
     95  ]]>
     96  </script>
     97 </window>