1 files changed, 49 insertions, 0 deletions
diff --git a/dom/tests/mochitest/sessionstorage/frameNotEqual.html b/dom/tests/mochitest/sessionstorage/frameNotEqual.html
new file mode 100644
index 0000000000..bdda1baf70
--- /dev/null
+++ b/dom/tests/mochitest/sessionstorage/frameNotEqual.html
@@ -0,0 +1,49 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+<title>slave for sessionStorage test</title>
+
+<script type="text/javascript" src="interOriginSlave.js"></script>
+<script type="text/javascript">
+
+var aps = document.location.hash.includes("aps");
+var xorigin = document.location.hash.includes("xorigin");
+var sameOrigin = document.location.origin === "http://mochi.test:8888";
+
+var currentStep = 2;
+
+function doStep()
+{
+  var expect = (!xorigin && aps && sameOrigin) ? 2 : 0;
+  switch (currentStep)
+  {
+    case 2:
+      is(sessionStorage.length, expect, `Num of items is ${expect}`);
+
+      sessionStorage.setItem("C", "3");
+
+      is(sessionStorage.getItem("C"), "3", "C is 3 in the slave");
+      is(sessionStorage.length, expect + 1, `Num of items is ${expect + 1}`);
+      break;
+
+    case 4:
+      is(sessionStorage.getItem("C"), "3", "C is 3 in the slave");
+      is(sessionStorage.length, expect + 1, `Num of items is ${expect + 1}`);
+      break;
+
+    case 6:
+      return finishTest();
+  }
+
+  ++currentStep;
+  ++currentStep;
+
+  return true;
+}
+
+</script>
+
+</head>
+
+<body onload="postMsg('frame loaded');">
+</body>
+</html>