<!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="start_historyframe.html"></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;
});

function waitForLoad() {
  function listener() {
    gFrame.removeEventListener("load", listener);
    SimpleTest.executeSoon(continue_test);
  }

  gFrame.addEventListener("load", listener);
}

function loadContent(aURL) {
  waitForLoad();

  gFrame.src = aURL;
}

function getURL() {
  return gFrame.contentDocument.documentURI;
}

function getContent() {
  return gFrame.contentDocument.getElementById("text").textContent;
}

var BASE_URI = "http://mochi.test:8888/tests/dom/tests/mochitest/general/";
var START = BASE_URI + "start_historyframe.html";
var URL1 = BASE_URI + "url1_historyframe.html";
var URL2 = BASE_URI + "url2_historyframe.html";

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();
  }
}

var gTestContinuation = null;
function continueAsync() {
  setTimeout(function() { gTestContinuation.next(); })
}

function continueOnPopState() {
  // Use continueAsync to avoid recursion within sync popstate listener.
  window.addEventListener("popstate", continueAsync, { once: true });
}

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();
  continueOnPopState();
  yield;

  is(gState, "STATE1", "State should be correct");
  is(getURL(), URL2, "URL should be correct");
  is(getContent(), "Test2", "Page should be correct");

  window.history.forward();
  continueOnPopState();
  yield;

  is(gState, "STATE2", "State should be correct");
  is(getURL(), URL2, "URL should be correct");
  is(getContent(), "Test2", "Page should be correct");

  window.history.back();
  continueOnPopState();
  yield;
  window.history.back();
  continueOnPopState();
  yield;

  is(gState, "START", "State should be correct");
  is(getURL(), URL2, "URL should be correct");
  is(getContent(), "Test2", "Page should be correct");

  window.history.back();
  continueAsync();
  yield;
  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();
  continueAsync();
  yield;
  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>
