dom/tests/mochitest/storageevent/frameSessionStorageMasterEqual.html


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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>master frame for event storage propagation</title>

<script type="text/javascript" src="interOriginFrame.js"></script>
<script type="text/javascript">

var currentStep = 1;
var gotEvent = false;

window.addEventListener("storage", function(event)
{
  gotEvent = true;
}, false);

function doStep()
{
  switch (currentStep)
  {
    // In step 2 we instantiate sessionStorage in the other frame
    case 1:
      // Must not fire (storage must be clear!)
      sessionStorage.clear();
      // Must fire X:null->'1'
      sessionStorage.setItem("X", "1");
      // Must fire X:'1'->'2'
      sessionStorage.setItem("X", "2");
      // Must not fire
      sessionStorage.setItem("X", "2");
      // Must fire X:'2'->null
      sessionStorage.removeItem("X");
      // Must not fire
      sessionStorage.removeItem("X");
      // Must not fire
      sessionStorage.removeItem("Y");
      // Must fire X:null->'2' (we need something in the storage)
      sessionStorage.setItem("X", "2");
      // Must fire null:null->null (one item has been erased)
      sessionStorage.clear();
      // Must not fire
      sessionStorage.clear();
      break;

    // Wait some time to let the async event be propagated
    case 11:
      is(gotEvent, false, "Expected no events");
      return finishTest();
  }

  // Increase by two to distinguish each test step order
  // in both master doStep and slave doStep functions.
  ++currentStep;
  ++currentStep;

  return true;
}

</script>

</head>

<body onload="postMsg('frame loaded');">
  <iframe src="http://example.com:80/tests/dom/tests/mochitest/storageevent/frameSessionStorageSlaveEqual.html"
          name="slaveFrame">
  </iframe>
</body>
</html>