wpt / css / css-shapes / animation / shape-margin-interpolation.html

Status: FAIL | Duration: 325ms | Subtests: 0/120 | Open test on wpt.live | wpt.fyi

TestTest SourceSubtests (0/120)

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

SubtestStatusMessage
CSS Transitions: property <shape-margin> from neutral to [20px] at (-0.3) should be [7px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <shape-margin> from neutral to [20px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <shape-margin> from neutral to [20px] at (0.3) should be [13px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <shape-margin> from neutral to [20px] at (0.6) should be [16px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <shape-margin> from neutral to [20px] at (1) should be [20px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions: property <shape-margin> from neutral to [20px] at (1.5) should be [25px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (-0.3) should be [7px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (0.3) should be [13px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (0.6) should be [16px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (1) should be [20px]FAILassert_true: 'to' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from neutral to [20px] at (1.5) should be [25px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (-0.3) should be [7px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (0) should be [10px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (0.3) should be [13px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (0.6) should be [16px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (1) should be [20px]FAILassert_true: 'to' value should be supported expected true got false
CSS Animations: property <shape-margin> from neutral to [20px] at (1.5) should be [25px]FAILassert_true: 'to' value should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (-0.3) should be [7px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (0) should be [10px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (0.3) should be [13px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (0.6) should be [16px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (1) should be [20px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from neutral to [20px] at (1.5) should be [25px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [initial] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [initial] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [initial] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (-0.3) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (0) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (0.3) should be [6px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (0.6) should be [12px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (1) should be [20px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [initial] to [20px] at (1.5) should be [30px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (-0.3) should be [33px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (0) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (0.3) should be [27px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (0.6) should be [24px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [inherit] to [20px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (-0.3) should be [33px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (0) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (0.3) should be [27px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (0.6) should be [24px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [inherit] to [20px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (-0.3) should be [33px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (0) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (0.3) should be [27px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (0.6) should be [24px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [inherit] to [20px] at (1.5) should be [15px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (-0.3) should be [33px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (0) should be [30px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (0.3) should be [27px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (0.6) should be [24px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (1) should be [20px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [inherit] to [20px] at (1.5) should be [15px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [unset] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [unset] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (0.3) should be [6px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (0.6) should be [12px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (1) should be [20px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [unset] to [20px] at (1.5) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (-0.3) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (0) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (0.3) should be [6px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (0.6) should be [12px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (1) should be [20px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [unset] to [20px] at (1.5) should be [30px]FAILassert_true: Web Animations should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions: property <shape-margin> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Transitions with transition: all: property <shape-margin> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (-0.3) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (0) should be [0px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (1) should be [100px]FAILassert_true: 'from' value should be supported expected true got false
CSS Animations: property <shape-margin> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: 'from' value should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (-0.3) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (0) should be [0px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (0.3) should be [30px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (0.6) should be [60px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (1) should be [100px]FAILassert_true: Web Animations should be supported expected true got false
Web Animations: property <shape-margin> from [0px] to [100px] at (1.5) should be [150px]FAILassert_true: Web Animations should be supported expected true got false

/css/css-shapes/animation/shape-margin-interpolation.html

<!DOCTYPE html>
<meta charset="UTF-8">
<title>shape-margin interpolation</title>
<link rel="help" href="https://drafts.csswg.org/css-shapes/#shape-margin-property">
<meta name="assert" content="shape-margin supports animation by computed value">

<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/interpolation-testcommon.js"></script>

<style>
.parent {
  shape-margin: 30px;
}
.target {
  shape-margin: 10px;
}
</style>

<body></body>

<script>
test_interpolation({
  property: 'shape-margin',
  from: neutralKeyframe,
  to: '20px',
}, [
  {at: -0.3, expect: '7px'},
  {at: 0, expect: '10px'},
  {at: 0.3, expect: '13px'},
  {at: 0.6, expect: '16px'},
  {at: 1, expect: '20px'},
  {at: 1.5, expect: '25px'},
]);

test_interpolation({
  property: 'shape-margin',
  from: 'initial',
  to: '20px',
}, [
  {at: -0.3, expect: '0px'},
  {at: 0, expect: '0px'},
  {at: 0.3, expect: '6px'},
  {at: 0.6, expect: '12px'},
  {at: 1, expect: '20px'},
  {at: 1.5, expect: '30px'},
]);

test_interpolation({
  property: 'shape-margin',
  from: 'inherit',
  to: '20px',
}, [
  {at: -0.3, expect: '33px'},
  {at: 0, expect: '30px'},
  {at: 0.3, expect: '27px'},
  {at: 0.6, expect: '24px'},
  {at: 1, expect: '20px'},
  {at: 1.5, expect: '15px'},
]);

test_interpolation({
  property: 'shape-margin',
  from: 'unset',
  to: '20px',
}, [
  {at: -0.3, expect: '0px'},
  {at: 0, expect: '0px'},
  {at: 0.3, expect: '6px'},
  {at: 0.6, expect: '12px'},
  {at: 1, expect: '20px'},
  {at: 1.5, expect: '30px'},
]);

test_interpolation({
  property: 'shape-margin',
  from: '0px',
  to: '100px'
}, [
  {at: -0.3, expect: '0px'}, // CSS shape-margin can't be negative.
  {at: 0, expect: '0px'},
  {at: 0.3, expect: '30px'},
  {at: 0.6, expect: '60px'},
  {at: 1, expect: '100px'},
  {at: 1.5, expect: '150px'},
]);
</script>