test_replaceState_during_fragment_navigation.html

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<head>

  <title>Test that replaceState from within fragment navigation does not cause a crash</title>

  <meta charset="utf-8">

  <script src="/tests/SimpleTest/SimpleTest.js"></script>

  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>

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<body>

<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=2002159">Mozilla Bug 2002159</a>

<p id="display"></p>

<div id="content" style="display: none"></div>

<pre id="test">

<a id="fragment-link" href="#content" onblur="triggerReplace()"></a>

</pre>

<script>

  SimpleTest.waitForExplicitFinish();

  window.onload = async () => {

    let link = document.getElementById("fragment-link");

    link.focus();

    link.click();

};

  function triggerReplace() {

    history.replaceState(null, null, "#0");

    ok(true, "replaceState from within fragment navigation does not cause a crash");

    SimpleTest.finish();

</script>

</body>

</html>