<!DOCTYPE html>
<html>
<head>
  <script>
  var request = indexedDB.open(parent.location, 1);
  request.onupgradeneeded = function(e) {
    var db = e.target.result;
    // This should never be called
    db.onversionchange = function(e) {
      db.transaction(["mystore"]).objectStore("mystore").put({ hello: "fail" }, 42);
    }
    var trans = e.target.transaction;
    if (db.objectStoreNames.contains("mystore")) {
      db.deleteObjectStore("mystore");
    }
    var store = db.createObjectStore("mystore");
    store.add({ hello: "world" }, 42);
    trans.oncomplete = function() {
      parent.postMessage("go", "http://mochi.test:8888");
    }
  };
  </script>
</head>
<body>
  This is page one.
</body>
</html>