lengthadjust.html - mozsearch

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This WPT test may be referenced by the following Test IDs:
- /svg/text/scripted/lengthadjust.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>lengthAdjust content/IDL attribute</title>

<link rel="help" href="https://svgwg.org/svg2-draft/text.html#TextElementLengthAdjustAttribute">

<link rel="help" href="https://svgwg.org/svg2-draft/text.html#__svg__SVGTextContentElement__getComputedTextLength">

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

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

<svg>

 <text x="0" y="215" textLength="200">Stretched text</text>

 <text x="0" y="215" textLength="200">Stretched text</text>

</svg>

<script>

test(() => {

  const text = document.querySelectorAll('text')[0];

  assert_equals(text.getAttribute('lengthAdjust'), null);

  assert_equals(text.lengthAdjust.baseVal, SVGTextContentElement.LENGTHADJUST_SPACING);

  assert_equals(text.textLength.baseVal.value, 200);

  let lastLength = text.getComputedTextLength();

  assert_between_exclusive(lastLength, 0, 200);

  text.setAttribute('lengthAdjust', 'spacingAndGlyphs');

  assert_equals(text.lengthAdjust.baseVal, SVGTextContentElement.LENGTHADJUST_SPACINGANDGLYPHS);

  assert_equals(text.textLength.baseVal.value, 200);

  assert_greater_than(text.getComputedTextLength(), lastLength);

}, 'Tests dynamic updates of the "lengthAdjust" content attribute');

test(() => {

  const text = document.querySelectorAll('text')[1];

  assert_equals(text.getAttribute('lengthAdjust'), null);

  assert_equals(text.lengthAdjust.baseVal, SVGTextContentElement.LENGTHADJUST_SPACING);

  assert_equals(text.textLength.baseVal.value, 200);

  let lastLength = text.getComputedTextLength();

  assert_between_exclusive(lastLength, 0, 200);

  text.lengthAdjust.baseVal = SVGTextContentElement.LENGTHADJUST_SPACINGANDGLYPHS;

  assert_equals(text.getAttribute('lengthAdjust'), 'spacingAndGlyphs');

  assert_equals(text.lengthAdjust.baseVal, SVGTextContentElement.LENGTHADJUST_SPACINGANDGLYPHS);

  assert_equals(text.textLength.baseVal.value, 200);

  assert_greater_than(text.getComputedTextLength(), lastLength);

}, 'Tests dynamic updates of the "lengthAdjust" IDL attribute');

</script>