syncbase-remove-add-while-running.html

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This WPT test may be referenced by the following Test IDs:
- /svg/animations/syncbase-remove-add-while-running.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>Remove/Add syncbase while animation is running</title>

<link rel="help" href="https://www.w3.org/TR/SMIL3/smil-timing.html#q26">

<link rel="author" title="Edvard Thörnros" href="mailto:edvardt@opera.com">

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

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

<svg>

  <animate id="anim" attributeName="visibility" to="visible" begin="10s" dur="2s"/>

  <rect x="0" y="0" width="0" height="100" fill="#0F0">

    <set attributeName="width" fill="freeze" to="100" begin="anim.begin"/>

  </rect>

</svg>

<script>

  async_test(function(t) {

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

      let svg = document.querySelector("svg");

      let rect = document.querySelector("rect");

      window.requestAnimationFrame(t.step_func(function() {

        window.requestAnimationFrame(t.step_func(function() {

          var anim1 = document.getElementById("anim");

          anim1.parentNode.removeChild(anim1);

          var anim2 = document.createElementNS("http://www.w3.org/2000/svg", "animate");

          anim2.setAttribute("id", "anim");

          anim2.setAttribute("attributeName", "visibility");

          anim2.setAttribute("to", "visible");

          anim2.setAttribute("begin", "0s");

          anim2.setAttribute("dur", "2s");

          svg.appendChild(anim2);

          window.requestAnimationFrame(t.step_func(function() {

            window.requestAnimationFrame(t.step_func_done(function() {

              svg.pauseAnimations();

              assert_equals(rect.width.animVal.value, 100, "Sync base triggered");

            }));

          }));

        }));

      }));

});

});

</script>