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diff --git a/dom/tests/mochitest/general/historyframes.html b/dom/tests/mochitest/general/historyframes.html
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+++ b/dom/tests/mochitest/general/historyframes.html
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+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=602256
+-->
+<head>
+  <title>Test for Bug 602256</title>
+</head>
+<body onload="SimpleTest.executeSoon(run_test)">
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=602256">Mozilla Bug 602256</a>
+<div id="content">
+  <iframe id="iframe" src="data:text/html,<p%20id='text'>Start</p>"></iframe>
+</div>
+<pre id="test">
+<script type="application/javascript">
+
+/** Test for Bug 602256 **/
+
+var testWin = window.opener ? window.opener : window.parent;
+
+var SimpleTest = testWin.SimpleTest;
+function is() { testWin.is.apply(testWin, arguments); }
+
+var gFrame = null;
+
+var gState = null;
+
+window.addEventListener("popstate", function(aEvent) {
+  gState = aEvent.state;
+}, false);
+
+function waitForLoad() {
+  function listener() {
+    gFrame.removeEventListener("load", listener, false);
+    SimpleTest.executeSoon(continue_test);
+  }
+
+  gFrame.addEventListener("load", listener, false);
+}
+
+function loadContent(aURL) {
+  waitForLoad();
+
+  gFrame.src = aURL;
+}
+
+function getURL() {
+  return gFrame.contentDocument.documentURI;
+}
+
+function getContent() {
+  return gFrame.contentDocument.getElementById("text").textContent;
+}
+
+var START = "data:text/html,<p%20id='text'>Start</p>";
+var URL1 = "data:text/html,<p%20id='text'>Test1</p>";
+var URL2 = "data:text/html,<p%20id='text'>Test2</p>";
+
+function run_test() {
+  window.history.pushState("START", window.location);
+
+  gFrame = document.getElementById("iframe");
+
+  continue_test();
+}
+
+function* test_body()
+{
+  yield* test_basic_inner_navigation();
+  yield* test_state_navigation();
+}
+
+var gTestContinuation = null;
+
+function continue_test() {
+  if (!gTestContinuation) {
+    gTestContinuation = test_body();
+  }
+  var ret = gTestContinuation.next();
+  if (ret.done) {
+    testWin.done();
+  }
+}
+
+function* test_basic_inner_navigation() {
+  // Navigate the inner frame a few times
+  yield loadContent(URL1);
+  is(getURL(), URL1, "URL should be correct");
+  is(getContent(), "Test1", "Page should be correct");
+
+  yield loadContent(URL2);
+
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  // Test that history is working
+  window.history.back();
+  yield waitForLoad();
+  is(getURL(), URL1, "URL should be correct");
+  is(getContent(), "Test1", "Page should be correct");
+
+  window.history.forward();
+  yield waitForLoad();
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+}
+
+function* test_state_navigation() {
+  window.history.pushState("STATE1", window.location);
+
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  window.history.pushState("STATE2", window.location);
+
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  window.history.back();
+
+  is(gState, "STATE1", "State should be correct");
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  window.history.forward();
+
+  is(gState, "STATE2", "State should be correct");
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  window.history.back();
+  window.history.back();
+
+  is(gState, "START", "State should be correct");
+  is(getURL(), URL2, "URL should be correct");
+  is(getContent(), "Test2", "Page should be correct");
+
+  window.history.back();
+  is(gState, "START", "State should be correct");
+  yield waitForLoad();
+
+  is(getURL(), URL1, "URL should be correct");
+  is(getContent(), "Test1", "Page should be correct");
+
+  window.history.back();
+  is(gState, "START", "State should be correct after going back twice");
+  yield waitForLoad();
+
+  is(gState, "START", "State should be correct");
+  is(getURL(), START, "URL should be correct");
+  is(getContent(), "Start", "Page should be correct");
+}
+</script>
+</pre>
+</body>
+</html>