<html>
  <head>
    <title>Bug 462076</title>
    <script>
      var srcs = [ "frame0.html",
                   "frame1.html",
                   "frame2.html",
                   "frame3.html" ];

      var checkCount = 0;

      function makeFrame(index) {
        var ifr = document.createElement("iframe");
        ifr.src = srcs[index];
        ifr.onload = checkFrame;
        document.getElementById("container" + index).appendChild(ifr);
      }

      function runTest() {
        var randomNumber = Math.floor(Math.random() * 4);
        for (var i = randomNumber; i < 4; ++i) {
          makeFrame(i);
        }
        for (var k = 0; k < randomNumber; ++k) {
          makeFrame(k);
        }
      }

      function checkFrame(evt) {
        var ifr = evt.target;
        opener.ok(String(ifr.contentWindow.location).includes(ifr.src),
           "Wrong document loaded (" + ifr.src + ", " +
           ifr.contentWindow.location + ")!");

        if (++checkCount == 4) {
          if (++opener.testCount == 10) {
            opener.nextTest();
            window.close();
          } else {
            window.location.reload();
          }
        }
      }
    </script>
  </head>
  <body>
    <div id="container0"></div>
    <div id="container1"></div>
    <div id="container2"></div>
    <div id="container3"></div>
    <script>
      runTest();
    </script>
  </body>
</html>
