hashchange_event.html

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This WPT test may be referenced by the following Test IDs:
- /html/browsers/browsing-the-web/history-traversal/hashchange_event.html - WPT Dashboard Interop Dashboard

<!doctype html>

<title>Queue a task to fire hashchange event</title>

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

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

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

<script>

t = async_test();

window.onload = t.step_func(function () {

  if (location.href.toString().indexOf("#") > -1) {

    location.href = location.href.replace(/#.*$/,'');

    return;

  var root = location.href;

  var oldURLs = [];

  var newURLs = [];

  var timer = null;

  location.hash = 'foo';

  window.onhashchange = t.step_func(function (e) {

    assert_true(e.isTrusted, "isTrusted");

    assert_equals(e.target, window, "target");

    assert_equals(e.type, "hashchange", "type");

    assert_true(e instanceof HashChangeEvent, "is HashChangeEvent");

    assert_false(e.bubbles, "bubbles");

    assert_false(e.cancelable, "cancelable");

    oldURLs.push(e.oldURL);

    newURLs.push(e.newURL);

    if (newURLs.length === 2) {

      check_result();

    } else if (timer === null) {

      timer = setTimeout(function() {check_result()}, 500);

})

  check_result = t.step_func(function() {

    clearTimeout(timer);

    try {

      assert_array_equals([root, root+"#foo"], oldURLs, "e.newURL");

      assert_array_equals([root+"#foo", root+"#bar"], newURLs, "e.newURL");

      t.done();

    } finally {

      location.hash = "";

});

  location.hash = 'bar';

});

</script>