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<html xmlns="http://www.w3.org/1999/xhtml">
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=481335
-->
<head>
  <title>Test for Bug 481335</title>
  <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
  <style type="text/css">
    a { color:blue; }
    a:visited { color:red; }
  </style>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=481335">Mozilla Bug 481335</a>
<p id="display">
  <a id="t">A link</a>
  <iframe id="i"></iframe>
</p>
<p id="newparent" xml:base="http://www.example.com/"></p>
<div id="content" style="display: none"></div>
<pre id="test">
<script type="application/javascript;version=1.7">
<![CDATA[

/** Test for Bug 481335 **/
SimpleTest.waitForExplicitFinish();
var rand = Date.now() + "-" + Math.random();

is($("t").href, "",
   "Unexpected href before set");
is($("t").href, "",
   "Unexpected cached href before set");

$("t").setAttribute("href", rand);
is($("t").href,
   window.location.href.replace(/test_bug481335.xhtml([\?].*)?/, rand),
   "Unexpected href after set");
is($("t").href,
   window.location.href.replace(/test_bug481335.xhtml([\?].*)?/, rand),
   "Unexpected cached href after set");
const unvisitedColor = "rgb(0, 0, 255)";
const visitedColor = "rgb(255, 0, 0)";

let tests = testIterator();
function continueTest() {
  tests.next();
}

function checkLinkColor(aElmId, aExpectedColor, aMessage) {
  // Because link coloring is asynchronous, we wait until we get the right
  // result, or we will time out (resulting in a failure).
  function getColor() {
    var utils = SpecialPowers.getDOMWindowUtils(window);
    return utils.getVisitedDependentComputedStyle($(aElmId), "", "color");
  }
  while (getColor() != aExpectedColor) {
    setTimeout(continueTest, 0);
    return false;
  }
  is(getColor(), aExpectedColor, aMessage);
  return true;
}

function testIterator() {
  // After first load
  $("newparent").appendChild($("t"));
  is($("t").href, "http://www.example.com/" + rand,
     "Unexpected href after move");
  is($("t").href, "http://www.example.com/" + rand,
     "Unexpected cached href after move");
  while (!checkLinkColor("t", unvisitedColor, "Should be unvisited now"))
    yield undefined;

  $("i").src = $("t").href;
  yield undefined;

  // After second load
  while (!checkLinkColor("t", visitedColor, "Should be visited now"))
    yield undefined;
  $("t").pathname = rand;
  while (!checkLinkColor("t", visitedColor,
            "Should still be visited after setting pathname to its existing value")) {
    yield undefined;
  }
  /* TODO uncomment this test with the landing of bug 534526.  See
   * https://bugzilla.mozilla.org/show_bug.cgi?id=461199#c167
  $("t").pathname += "x";
  while (!checkLinkColor("t", unvisitedColor,
            "Should not be visited after changing pathname")) {
    yield undefined;
  }
  $("t").pathname = $("t").pathname;
  while (!checkLinkColor("t", unvisitedColor,
            "Should not be visited after setting unvisited pathname to existing value")) {
    yield undefined;
  }
  */

  $("i").src = $("t").href;
  yield undefined;

  // After third load
  while (!checkLinkColor("t", visitedColor,
                         "Should be visited now after third load")) {
    yield undefined;
  }
  SimpleTest.finish();
  yield undefined;
}

addLoadEvent(function() {
  $("i").onload = continueTest;
  $("i").src = $("t").href;
});
]]>
</script>
</pre>
</body>
</html>