columnCount.html - mozsearch

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /web-animations/responsive/columnCount.html - WPT Dashboard Interop Dashboard

<!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>