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

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

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

animation_test({
  syntax: "<number>",
  inherits: false,
  initialValue: 100
}, {
  composite: "add",
  keyframes: 300,
  expected: "250"
}, 'Animating a custom property of type <number> with a single keyframe and additivity');

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

</script>
