<!DOCTYPE html>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id='container'>
<div id='element'></div>
</div>
<script>
var container = document.getElementById('container');
var element = document.getElementById('element');
test(function() {
var keyframes = [
{columnCount: 'inherit'},
{columnCount: '6'}
];
container.style.columnCount = 'auto';
var player = element.animate(keyframes, 20);
player.pause();
player.currentTime = 5;
assert_equals(getComputedStyle(element).columnCount, 'auto');
container.style.columnCount = '2';
assert_equals(getComputedStyle(element).columnCount, '3');
player.currentTime = 10;
container.style.columnCount = '8';
assert_equals(getComputedStyle(element).columnCount, '7');
}, 'column-count responsive to inherited column-count changes');
</script>
