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diff --git a/dom/tests/mochitest/storageevent/frameSessionStorageMasterNotEqual.html b/dom/tests/mochitest/storageevent/frameSessionStorageMasterNotEqual.html
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+++ b/dom/tests/mochitest/storageevent/frameSessionStorageMasterNotEqual.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)
+ {
+ 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/frameSessionStorageSlaveNotEqual.html"
+ name="slaveFrame">
+ </iframe>
+</body>
+</html>