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<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>Test - bug 1238440</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
  <input type="file" id="file" />
  <script type="application/javascript">

var script;

function step_createScript() {
  info("Creating script...");
  var url = SimpleTest.getTestFileURL("script_bug1238440.js");
  script = SpecialPowers.loadChromeScript(url);
  next();
}

function step_destroyScript() {
  info("Destroying script...");
  script.destroy();
  next();
}


function step_createFile() {
  info("Creating file...");

  function onOpened(message) {
    var fileList = document.getElementById('file');
    SpecialPowers.wrap(fileList).mozSetFileArray([message.file]);
    ok(!!message.file, "File created and set");
    next();
  }

  script.addMessageListener("file.opened", onOpened);
  script.sendAsyncMessage("file.open");
}

function step_changeFile() {
  info("Changing file...");
  script.addMessageListener("file.changed", next);
  script.sendAsyncMessage("file.change");
}

function step_fileReader(status) {
  var fr = new FileReader();
   fr.onload = function() {
   is(status, true, "onload called!");
   next();
 }

 fr.onerror = function(e) {
   e.preventDefault();
   is(status, false, "onerror called!");
   next();
 }

 fr.readAsArrayBuffer(document.getElementById("file").files[0]);
}

var steps = [
  step_createScript,
  step_createFile,
  function() { step_fileReader(true); },
  step_changeFile,
  function() { step_fileReader(false); },
  step_destroyScript,
];

function next() {
  if (!steps.length) {
    SimpleTest.finish();
    return;
  }

  var step = steps.shift();
  step();
}

SimpleTest.waitForExplicitFinish();
next();
  </script>
</body>
</html>