traverse_the_history_unload_1.html

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/history/the-history-interface/traverse_the_history_unload_1.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Traversing the history, unload event is fired on doucment</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<div id="log"></div>

<script>

  var t = async_test();

  started = false;

  pages = []

  unload_ran = false;

  timer = setInterval(

    function() {

      if (pages.length < 2 || !unload_ran)

        return;

      clearInterval(timer);

      setTimeout(t.step_func(

        function() {

          assert_array_equals(pages, [2, 1], "Pages opened during history navigation");

          assert_true(unload_ran, "Unload event handler ran");

          t.done();

      ), 500);

    }, 50);

  t.step(function() {

    win = window.open("history_entry.html?urls=traverse_the_history_unload_1-1.html");

    t.add_cleanup(function() { win.close(); });

});

</script>