Blitz - WPT: animate-path-by-animation-additive-mismatch.tentative.html

wpt / svg / animations / animate-path-by-animation-additive-mismatch.tentative.html

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/svg/animations/animate-path-by-animation-additive-mismatch.tentative.html

<!doctype html>
<title>SVG path 'd' attribute by animation with additive='sum' and mismatched commands</title>
<link rel="help" href="https://www.w3.org/TR/SVG2/paths.html#TheDProperty"/>
<link rel="help" href="https://w3c.github.io/svgwg/specs/animations/#AdditionAttributes"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/SVGAnimationTestCase-testharness.js"></script>
<script src="support/animated-path-helpers.js"></script>
<svg>
  <!-- Base value has L (lineto) commands, by value has Q (quadratic curve) commands -->
  <path id="path" fill="green" d="M10,10 L30,10 L30,30 L10,30 Z">
    <animate id="animation" attributeName="d"
             by="M20,20 Q40,20 40,40 Q20,40 20,20 Z"
             additive="sum"
             begin="0s" dur="2s" fill="freeze"/>
  </path>
</svg>
<script>
const rootSVGElement = document.querySelector("svg");

// Mismatched commands cause blending to fail; addition also fails so animated value stays unchanged.
function sample() {
  // All times: base value (blending and addition both fail)
  assert_animated_path_equals(path, "M10,10 L30,10 L30,30 L10,30 Z");
}

smil_async_test((t) => {
  const expectedValues = [
    // [animationId, time, sampleCallback]
    ["animation", 0.0,   sample],
    ["animation", 1.0,   sample],
    ["animation", 2.0,   sample],
    ["animation", 2.001, sample]
  ];
  runAnimationTest(t, expectedValues);
});
</script>