dom/base/test/test_bug1238440.html

   1 <!DOCTYPE HTML>
   2 <html>
   3 <head>
   4   <meta charset="utf-8">
   5   <title>Test - bug 1238440</title>
   6   <script src="/tests/SimpleTest/SimpleTest.js"></script>
   7   <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
   8 </head>
   9 <body>
  10   <input type="file" id="file" />
  11   <script type="application/javascript">
  12
  13 var script;
  14
  15 function step_createScript() {
  16   info("Creating script...");
  17   var url = SimpleTest.getTestFileURL("script_bug1238440.js");
  18   script = SpecialPowers.loadChromeScript(url);
  19   next();
  20 }
  21
  22 function step_destroyScript() {
  23   info("Destroying script...");
  24   script.destroy();
  25   next();
  26 }
  27
  28
  29 function step_createFile() {
  30   info("Creating file...");
  31
  32   function onOpened(message) {
  33     var fileList = document.getElementById('file');
  34     SpecialPowers.wrap(fileList).mozSetFileArray([message.file]);
  35     ok(!!message.file, "File created and set");
  36     next();
  37   }
  38
  39   script.addMessageListener("file.opened", onOpened);
  40   script.sendAsyncMessage("file.open");
  41 }
  42
  43 function step_changeFile() {
  44   info("Changing file...");
  45   script.addMessageListener("file.changed", next);
  46   script.sendAsyncMessage("file.change");
  47 }
  48
  49 function step_fileReader(status) {
  50   var fr = new FileReader();
  51    fr.onload = function() {
  52    is(status, true, "onload called!");
  53    next();
  54  }
  55
  56  fr.onerror = function(e) {
  57    e.preventDefault();
  58    is(status, false, "onerror called!");
  59    next();
  60  }
  61
  62  fr.readAsArrayBuffer(document.getElementById("file").files[0]);
  63 }
  64
  65 var steps = [
  66   step_createScript,
  67   step_createFile,
  68   function() { step_fileReader(true); },
  69   step_changeFile,
  70   function() { step_fileReader(false); },
  71   step_destroyScript,
  72 ];
  73
  74 function next() {
  75   if (!steps.length) {
  76     SimpleTest.finish();
  77     return;
  78   }
  79
  80   var step = steps.shift();
  81   step();
  82 }
  83
  84 SimpleTest.waitForExplicitFinish();
  85 next();
  86   </script>
  87 </body>
  88 </html>