<svg xmlns="http://www.w3.org/2000/svg"
     xmlns:h="http://www.w3.org/1999/xhtml"
     width="800px" height="800px">
  <title>SVG Painting: getComputedStyle().marker</title>
  <metadata>
    <h:link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/painting.html#MarkerProperty"/>
    <h:meta name="assert" content="marker computed value is as specified, with url values absolute."/>
  </metadata>
  <g id="target"></g>
  <h:script src="/resources/testharness.js"/>
  <h:script src="/resources/testharnessreport.js"/>
  <h:script src="/css/support/computed-testcommon.js"/>
  <script><![CDATA[

test_computed_value("marker", "none");
test_computed_value("marker", 'url("https://example.com/")');

test(() => {
  const target = document.getElementById('target');
  target.style['marker'] = 'url("a.b#c")';
  const result = getComputedStyle(target)['marker'];
  const resolved = new URL("a.b#c", document.URL).href;
  assert_equals(result, 'url("' + resolved + '")');
}, 'url values are made absolute');

test(() => {
  const target = document.getElementById('target');
  target.style['marker'] = 'none';
  target.style['marker-start'] = 'url("https://example.com/")';
  const result = getComputedStyle(target)['marker'];
  assert_equals(result, '');
}, 'Setting a single marker value results in empty marker computed value');

test(() => {
  const target = document.getElementById('target');
  target.style['marker'] = 'url("https://example.com/")';
  target.style['marker-start'] = 'none';
  const result = getComputedStyle(target)['marker'];
  assert_equals(result, '');
}, 'Setting a single marker value to "none" results in empty marker computed value');

  ]]></script>
</svg>