dom/workers/test/test_fileBlobPosting.xhtml

   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.
  33    */
  34   function createFileWithData(fileData) {
  35     var testFile = Cc["@mozilla.org/file/directory_service;1"]
  36                        .getService(Ci.nsIProperties)
  37                        .get("ProfD", Ci.nsIFile);
  38     testFile.append("workerBlobPosting" + fileNum++);
  39
  40     var outStream = Cc["@mozilla.org/network/file-output-stream;1"]
  41                         .createInstance(Ci.nsIFileOutputStream);
  42     outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
  43                    0o666, 0);
  44     outStream.write(fileData, fileData.length);
  45     outStream.close();
  46
  47     var fileList = document.getElementById('fileList');
  48     fileList.value = testFile.path;
  49
  50     return fileList.files[0];
  51   }
  52
  53   /**
  54    * Create a worker which posts the same blob given. Used to test cloning of blobs.
  55    * Checks the size, type, name and path of the file posted from the worker to ensure it
  56    * is the same as the original.
  57    */
  58   function postBlob(file) {
  59     var worker = new Worker("filePosting_worker.js");
  60
  61     worker.onerror = function(event) {
  62       ok(false, "Worker had an error: " + event.message);
  63       finish();
  64     };
  65
  66     worker.onmessage = function(event) {
  67       console.log(event.data);
  68       is(event.data.size, file.size, "size of file posted from worker does not match file posted to worker.");
  69       finish();
  70     };
  71
  72     var blob = file.slice();
  73     worker.postMessage(blob);
  74     waitForWorkerFinish();
  75   }
  76
  77   // Empty file.
  78   postBlob(createFileWithData(""));
  79
  80   // Typical use case.
  81   postBlob(createFileWithData("Hello"));
  82
  83   ]]>
  84   </script>
  85 </window>