svg/text/scripted/getstartpositionofchar-dominant-baseline.html

<meta charset="utf-8">
<title>SVGTextContentElement.getStartPositionOfChar and dominant-baseline</title>
<link rel="help" href="https://svgwg.org/svg2-draft/text.html#__svg__SVGTextContentElement__getStartPositionOfChar">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>

<style>
text {
  font-family: Arial;
  font-size: 60px;
  fill: #ffff00;
}
</style>
<svg>
  <defs>
    <path id="path" d="M20 80h120"></path>
  </defs>
  <g>
    <text>
      <textPath id="textPath1" href="#path">Test</textPath>
      <tspan id="tspan1" x="0" y="100">Test</tspan>
    </text>
  </g>
  <g transform="translate(140 0)">
    <text dominant-baseline="middle">
      <textPath id="textPath2" href="#path">Test</textPath>
      <tspan id="tspan2" x="0" y="100">Test</tspan>
    </text>
  </g>
</svg>

<script>
function $(sel) { return document.querySelector(sel); }

test(() => {
  assert_equals($('#textPath1').getStartPositionOfChar(0).y,
                $('#textPath2').getStartPositionOfChar(0).y);
  assert_equals($('#textPath1').getEndPositionOfChar(0).y,
                $('#textPath2').getEndPositionOfChar(0).y);
}, 'textPath: get*PositionOfChar().y should not depend on dominant-baseline');

test(() => {
  assert_equals($('#tspan1').getStartPositionOfChar(0).y,
                $('#tspan2').getStartPositionOfChar(0).y);
  assert_equals($('#tspan1').getEndPositionOfChar(0).y,
                $('#tspan2').getEndPositionOfChar(0).y);
}, 'tspan: get*PositionOfChar().y should not depend on dominant-baseline');
</script>