chromium/third_party/blink/web_tests/external/wpt/svg/animations/spaces-at-end-of-path-data.html

<!DOCTYPE html>

<title>Allow trailing empty entry in value list</title>
<meta charset="utf-8">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="help" href="https://svgwg.org/specs/animations/#ValuesAttribute">
<link rel="author" title="Edvard Thörnros" href="mailto:[email protected]">

<svg viewbox="0 0 100 100">
  <path fill="#1EB287">
    <animate attributeName="d"
             dur="1s"
             repeatCount="indefinite"
             values="M 0,0 L 50, 0 L 100,100 Z;
                     M 100,0 L 0, 100 L 50, 0 Z; "/>
  </path>
</svg>

<script>
  async_test(function(t) {
    window.onload = t.step_func(function() {
      window.requestAnimationFrame(t.step_func_done(function() {
        let path = document.querySelector("path");
        assert_not_equals(window.getComputedStyle(path).d, "none");
      }));
    });
  });
</script>