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<!DOCTYPE html>
<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../resources/utils.js"></script>
<div id="target"></div>
<script>
animation_test({
syntax: "<length-percentage>+",
inherits: false,
initialValue: "0px"
}, {
keyframes: ["100px 150%", "200% 250px"],
expected: "calc(100% + 50px) calc(75% + 125px)"
}, 'Animating a custom property of type <length-percentage>+');
animation_test({
syntax: "<length-percentage>+",
inherits: false,
initialValue: "100px 150%"
}, {
keyframes: "200% 250px",
expected: "calc(100% + 50px) calc(75% + 125px)"
}, 'Animating a custom property of type <length-percentage>+ with a single keyframe');
animation_test({
syntax: "<length-percentage>+",
inherits: false,
initialValue: "50px 100%"
}, {
composite: "add",
keyframes: ["150% 200px", "250% 300px"],
expected: "calc(200% + 50px) calc(100% + 250px)"
}, 'Animating a custom property of type <length-percentage>+ with additivity');
animation_test({
syntax: "<length-percentage>+",
inherits: false,
initialValue: "50px 100%"
}, {
composite: "add",
keyframes: "150% 200px",
expected: "calc(75% + 50px) calc(100% + 100px)"
}, 'Animating a custom property of type <length-percentage>+ with a single keyframe and additivity');
animation_test({
syntax: "<length-percentage>+",
inherits: false,
initialValue: "0px 0px"
}, {
iterationComposite: "accumulate",
keyframes: ["0px 50%", "100% 100px"],
expected: "250% calc(25% + 50px)"
}, 'Animating a custom property of type <length-percentage>+ with iterationComposite');
discrete_animation_test("<length-percentage>+", '10px 20%', '30px', 'Animating a custom property of type <length-percentage>+ with different lengths is discrete');
</script>
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