Blitz - WPT: stroke-dashoffset-composition.html

wpt / svg / painting / animations / stroke-dashoffset-composition.html

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

Subtest	Status	Message
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (-0.3) should be [120px]	FAIL	assert_equals: expected "120px " but got "70px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (0) should be [150px]	FAIL	assert_equals: expected "150px " but got "100px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (0.5) should be [200px]	FAIL	assert_equals: expected "200px " but got "150px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (1) should be [250px]	FAIL	assert_equals: expected "250px " but got "200px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (1.5) should be [300px]	FAIL	assert_equals: expected "300px " but got "250px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (-0.3) should be [120px]	FAIL	assert_equals: expected "120px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (0) should be [150px]	FAIL	assert_equals: expected "150px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (0.5) should be [200px]	FAIL	assert_equals: expected "200px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (1) should be [250px]	FAIL	assert_equals: expected "250px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to add [200px] at (1.5) should be [300px]	FAIL	assert_equals: expected "300px " but got "50px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (-0.5) should be [114px]	FAIL	assert_equals: expected "114px " but got "14px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (0) should be [110px]	FAIL	assert_equals: expected "110px " but got "10px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (0.5) should be [106px]	FAIL	assert_equals: expected "106px " but got "6px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (1) should be [102px]	FAIL	assert_equals: expected "102px " but got "2px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (1.5) should be [98px]	FAIL	assert_equals: expected "98px " but got "- 2px "
Compositing Web Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (-0.5) should be [114px]	FAIL	assert_equals: expected "114px " but got "100px "
Compositing Web Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (0) should be [110px]	FAIL	assert_equals: expected "110px " but got "100px "
Compositing Web Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (0.5) should be [106px]	FAIL	assert_equals: expected "106px " but got "100px "
Compositing Web Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (1) should be [102px]	FAIL	assert_equals: expected "102px " but got "100px "
Compositing Web Animations: property <stroke-dashoffset> underlying [100px] from add [10px] to add [2px] at (1.5) should be [98px]	FAIL	assert_equals: expected "98px " but got "100px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (-0.3) should be [135px]	FAIL	assert_equals: expected "135px " but got "70px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (0) should be [150px]	FAIL	assert_equals: expected "150px " but got "100px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (0.5) should be [175px]	FAIL	assert_equals: expected "175px " but got "150px "
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (1) should be [200px]	PASS
Compositing CSS Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (1.5) should be [225px]	FAIL	assert_equals: expected "225px " but got "250px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (-0.3) should be [135px]	FAIL	assert_equals: expected "135px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (0) should be [150px]	FAIL	assert_equals: expected "150px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (0.5) should be [175px]	FAIL	assert_equals: expected "175px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (1) should be [200px]	FAIL	assert_equals: expected "200px " but got "50px "
Compositing Web Animations: property <stroke-dashoffset> underlying [50px] from add [100px] to replace [200px] at (1.5) should be [225px]	FAIL	assert_equals: expected "225px " but got "50px "

Enable JavaScript in test iframe

/svg/painting/animations/stroke-dashoffset-composition.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>stroke-dashoffset composition</title>
<link rel="help" href="https://w3c.github.io/svgwg/svg2-draft/painting.html#StrokeDashing">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>
<body>
<script>
test_composition({
  property: 'stroke-dashoffset',
  underlying: '50px',
  addFrom: '100px',
  addTo: '200px',
}, [
  {at: -0.3, expect: '120px'},
  {at: 0, expect: '150px'},
  {at: 0.5, expect: '200px'},
  {at: 1, expect: '250px'},
  {at: 1.5, expect: '300px'},
]);

test_composition({
  property: 'stroke-dashoffset',
  underlying: '100px',
  addFrom: '10px',
  addTo: '2px',
}, [
  {at: -0.5, expect: '114px'},
  {at: 0, expect: '110px'},
  {at: 0.5, expect: '106px'},
  {at: 1, expect: '102px'},
  {at: 1.5, expect: '98px'},
]);

test_composition({
  property: 'stroke-dashoffset',
  underlying: '50px',
  addFrom: '100px',
  replaceTo: '200px',
}, [
  {at: -0.3, expect: '135px'},
  {at: 0, expect: '150px'},
  {at: 0.5, expect: '175px'},
  {at: 1, expect: '200px'},
  {at: 1.5, expect: '225px'},
]);
</script>
</body>