Blitz - WPT: getstartpositionofchar.html

wpt / svg / text / scripted / getstartpositionofchar.html

Data from commit:
a50cb89 wpt: run reference-named files which are themselves tests (#836) (2026-09-03)

Subtest	Status	Message
vertical-rl	FAIL	not a callable function
vertical-lr	FAIL	not a callable function
sideways-rl	FAIL	not a callable function
sideways-lr	FAIL	not a callable function
tspan	FAIL	not a callable function

Enable JavaScript in test iframe

/svg/text/scripted/getstartpositionofchar.html

<!DOCTYPE html>
<title>SVGTextContentElement.getStartPositionOfChar and getEndPositionOfChar</title>
<link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/text.html#__svg__SVGTextContentElement__getStartPositionOfChar">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<link rel="stylesheet" href="/fonts/ahem.css">
<style>
text {
  font: 10px/1 Ahem;
}
#vrl {
  writing-mode: vertical-rl;
}
#vlr {
  writing-mode: vertical-lr;
}
#srl {
  writing-mode: sideways-rl;
}
#slr {
  writing-mode: sideways-lr;
}
</style>

<svg>
  <text id="vrl" x="100" y="100">ABC</text>
  <text id="vlr" x="100" y="100">ABC</text>
  <text id="srl" x="100" y="100">ABC</text>
  <text id="slr" x="100" y="100">ABC</text>
  <text x="100" y="100">A<tspan id="tsp">B</tspan>C</text>
</svg>

<script>
const FONT_SIZE = 10;
function $(sel) { return document.querySelector(sel); }

setup({ explicit_done: true });

document.fonts.ready.then(() => {
  test(() => {
    const target = $('#vrl');
    const base = target.getStartPositionOfChar(0).y;
    assert_equals(target.getEndPositionOfChar(0).y, base + FONT_SIZE);
    assert_equals(target.getStartPositionOfChar(1).y, base + FONT_SIZE);
    assert_equals(target.getEndPositionOfChar(1).y, base + FONT_SIZE * 2);
    assert_equals(target.getStartPositionOfChar(2).y, base + FONT_SIZE * 2);
    assert_equals(target.getEndPositionOfChar(2).y, base + FONT_SIZE * 3);
    assert_throws_dom("IndexSizeError", () => target.getStartPositionOfChar(3));
    assert_throws_dom("IndexSizeError", () => target.getEndPositionOfChar(3));
  }, 'vertical-rl');

  test(() => {
    const target = $('#vlr');
    const base = target.getStartPositionOfChar(0).y;
    assert_equals(target.getEndPositionOfChar(0).y, base + FONT_SIZE);
    assert_equals(target.getStartPositionOfChar(1).y, base + FONT_SIZE);
    assert_equals(target.getEndPositionOfChar(1).y, base + FONT_SIZE * 2);
    assert_equals(target.getStartPositionOfChar(2).y, base + FONT_SIZE * 2);
    assert_equals(target.getEndPositionOfChar(2).y, base + FONT_SIZE * 3);
  }, 'vertical-lr');

  test(() => {
    const target = $('#srl');
    const base = target.getStartPositionOfChar(0).y;
    assert_equals(target.getEndPositionOfChar(0).y, base + FONT_SIZE);
    assert_equals(target.getStartPositionOfChar(1).y, base + FONT_SIZE);
    assert_equals(target.getEndPositionOfChar(1).y, base + FONT_SIZE * 2);
    assert_equals(target.getStartPositionOfChar(2).y, base + FONT_SIZE * 2);
    assert_equals(target.getEndPositionOfChar(2).y, base + FONT_SIZE * 3);
  }, 'sideways-rl');

  test(() => {
    const target = $('#slr');
    const base = target.getStartPositionOfChar(0).y;
    assert_equals(target.getEndPositionOfChar(0).y, base - FONT_SIZE);
    assert_equals(target.getStartPositionOfChar(1).y, base - FONT_SIZE);
    assert_equals(target.getEndPositionOfChar(1).y, base - FONT_SIZE * 2);
    assert_equals(target.getStartPositionOfChar(2).y, base - FONT_SIZE * 2);
    assert_equals(target.getEndPositionOfChar(2).y, base - FONT_SIZE * 3);
  }, 'sideways-lr');

  test(() => {
    const target = $('#tsp');
    const base = target.parentElement.getStartPositionOfChar(0).y;
    assert_equals(target.getStartPositionOfChar(0).x, base + FONT_SIZE);
    assert_equals(target.getEndPositionOfChar(0).x, base + FONT_SIZE * 2);
    assert_throws_dom("IndexSizeError", () => target.getStartPositionOfChar(1));
    assert_throws_dom("IndexSizeError", () => target.getEndPositionOfChar(1));
  }, 'tspan');
  done();
});
</script>