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Test Info:
- Manifest: docshell/test/navigation/mochitest.toml
 
<!DOCTYPE HTML>
<html>
<head>
  <meta charset="utf-8">
  <title>performance.navigation.type</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" href="/tests/SimpleTest/test.css"/>
  <script>
    SimpleTest.waitForExplicitFinish();
    let bc = SpecialPowers.wrap(BroadcastChannel).unpartitionedTestingChannel("navigation_type");
    let pageshowCount = 0;
    bc.onmessage = function(event) {
      if (event.data == "closed") {
        bc.close();
        SimpleTest.finish();
        return;
      }
      ++pageshowCount;
      if (pageshowCount == 1) {
        is(event.data.navigationType, PerformanceNavigation.TYPE_NAVIGATE,
           "Should have navigation type TYPE_NAVIGATE.");
        bc.postMessage("loadNewPage");
      } else if (pageshowCount == 2) {
        is(event.data.navigationType, PerformanceNavigation.TYPE_NAVIGATE,
           "Should have navigation type TYPE_NAVIGATE.");
        bc.postMessage("back");
      } else if (pageshowCount == 3) {
        is(event.data.navigationType, PerformanceNavigation.TYPE_BACK_FORWARD ,
           "Should have navigation type TYPE_BACK_FORWARD .");
        bc.postMessage("close");
      } else {
        ok(false, "Unexpected load");
      }
    }
    function test() {
      window.open("file_navigation_type.html", "", "noopener");
    }
  </script>
</head>
<body onload="test()">
<p id="display"></p>
<div id="content" style="display: none"></div>
<pre id="test"></pre>
</body>
</html>