<!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: "<resolution>+",
  inherits: false,
  initialValue: "0dppx"
}, {
  keyframes: ["100dppx 150dppx", "200dppx 250dppx"],
  expected: "150dppx 200dppx"
}, 'Animating a custom property of type <resolution>+');

animation_test({
  syntax: "<resolution>+",
  inherits: false,
  initialValue: "100dppx 150dppx"
}, {
  keyframes: "200dppx 250dppx",
  expected: "150dppx 200dppx"
}, 'Animating a custom property of type <resolution>+ with a single keyframe');

animation_test({
  syntax: "<resolution>+",
  inherits: false,
  initialValue: "50dppx 100dppx"
}, {
  composite: "add",
  keyframes: ["150dppx 200dppx", "250dppx 300dppx"],
  expected: "250dppx 350dppx"
}, 'Animating a custom property of type <resolution>+ with additivity');

animation_test({
  syntax: "<resolution>+",
  inherits: false,
  initialValue: "50dppx 100dppx"
}, {
  composite: "add",
  keyframes: "150dppx 200dppx",
  expected: "125dppx 200dppx"
}, 'Animating a custom property of type <resolution>+ with a single keyframe and additivity');

animation_test({
  syntax: "<resolution>+",
  inherits: false,
  initialValue: "0dppx 0dppx"
}, {
  iterationComposite: "accumulate",
  keyframes: ["0dppx 50dppx", "100dppx 100dppx"],
  expected: "250dppx 275dppx"
}, 'Animating a custom property of type <resolution>+ with iterationComposite');

discrete_animation_test("<resolution>+", '10dppx 20dppx', '30dppx', 'Animating a custom property of type <resolution>+ with different lengths is discrete');

</script>
