<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>Safe passing of structured data - Blob</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<script>
async_test(function(t) {
  var blob = new Blob(['<a id="a"><b id="b">hey!</b></a>'], {type:"text/plain"});
  window.addEventListener("message", this.step_func(function(msg) {
      assert_true(msg.data instanceof Blob);
      assert_equals(msg.data.size, blob.size);
      assert_equals(msg.data.type, blob.type);
      var cloned_content, original_content;
      var reader = new FileReader();
      reader.addEventListener("loadend", this.step_func(function() {
          original_content = reader.result;
          var reader2 = new FileReader();
          reader2.addEventListener("loadend", this.step_func_done(function() {
              cloned_content = reader2.result;
              assert_equals(typeof cloned_content, typeof original_content);
              assert_equals(cloned_content, original_content);
          }));
          reader2.readAsText(msg.data);
      }));
      reader.readAsText(blob);
  }), false);
  window.postMessage(blob, '*');
}, "Cloning a Blob into the same realm");
</script>
</body>
</html>