servo/tests/wpt/web-platform-tests/svg/animations/keysplines-x-limits.html

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HTML

<!DOCTYPE html>
<title>'keySplines' with x-values outside of the 0 to 1 range</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<svg>
<rect x="10" width="10" height="10" fill="blue">
<animate attributeName="x" values="0; 250" dur="5s"/>
</rect>
<rect x="10" width="10" height="10" y="20" fill="blue">
<animate attributeName="x" values="0; 250" dur="5s"
keyTimes="0; 1" keySplines="-1 0 1 1" calcMode="spline"/>
</rect>
<rect x="10" width="10" height="10" y="30" fill="blue">
<animate attributeName="x" values="0; 250" dur="5s"
keyTimes="0; 1" keySplines="2 0 1 1" calcMode="spline"/>
</rect>
<rect x="10" width="10" height="10" y="10" fill="blue">
<animate attributeName="x" values="0; 250" dur="5s"
keyTimes="0; 1" keySplines="0 0 -1 1" calcMode="spline"/>
</rect>
<rect x="10" width="10" height="10" y="40" fill="blue">
<animate attributeName="x" values="0; 250" dur="5s"
keyTimes="0; 1" keySplines="0 0 2 1" calcMode="spline"/>
</rect>
</svg>
<script>
async_test(t => {
let svg = document.querySelector('svg');
svg.pauseAnimations();
svg.setCurrentTime(2.5);
window.onload = t.step_func(() => {
requestAnimationFrame(t.step_func_done(() => {
let rects = document.getElementsByTagName('rect');
assert_equals(rects[0].getBBox().x, 125, 'animations applied');
assert_equals(rects[1].getBBox().x, 10, 'first control point x less than zero');
assert_equals(rects[2].getBBox().x, 10, 'first control point x greater than one');
assert_equals(rects[3].getBBox().x, 10, 'second control point x less than zero');
assert_equals(rects[4].getBBox().x, 10, 'second control point x greater than one');
}));
});
});
</script>