width.html - mozsearch

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This test has a WPT meta file that expects 2 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /web-animations/responsive/width.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<style>

body { width: 500px }

#child { width: 20px }

</style>

<div id='container'>

  <div id='element'>

    <div id='child'>

    </div>

  </div>

</div>

<script>

var element = document.getElementById('element');

var container = document.getElementById('container');

test(function() {

    element.style.fontSize = '10px';

    var player = element.animate([{width: '3em'}, {width: '5em'}], 10);

    player.pause();

    player.currentTime = 5;

    element.style.fontSize = '20px';

    assert_equals(getComputedStyle(element).width, '80px');

}, 'width responsive to style changes');

test(function() {

    element.style.fontSize = '10px';

    var player = element.animate([{width: '40px'}, {width: 'calc(40px - 2em)'}], 10);

    player.pause();

    player.currentTime = 5;

    element.style.fontSize = '40px';

    assert_equals(getComputedStyle(element).width, '20px');

    player.currentTime = 7.5;

    assert_equals(getComputedStyle(element).width, '10px');

}, 'width clamped to 0px on keyframes');

test(function() {

    container.style.width = 'auto';

    var player = element.animate([{width: 'inherit'}, {width: '20px'}], 4000);

    player.pause();

    player.currentTime = 1000;

    assert_equals(getComputedStyle(element).width, '500px');

    container.style.width = '100px';

    assert_equals(getComputedStyle(element).width, '80px');

    container.style.width = 'min-content';

    assert_equals(getComputedStyle(element).width, '20px');

    container.style.width = '100px';

    assert_equals(getComputedStyle(element).width, '80px');

    container.style.width = 'max-content';

    assert_equals(getComputedStyle(element).width, '20px');

    container.style.width = '100px';

    assert_equals(getComputedStyle(element).width, '80px');

    container.style.width = 'fit-content';

    assert_equals(getComputedStyle(element).width, '20px');

}, 'width responsive to inherited changes from keyword');

test(function() {

    container.style.fontSize = '10px';

    container.style.width = '100px';

    var player = element.animate([{width: 'inherit'}, {width: '200px'}], 4000);

    player.pause();

    player.currentTime = 1000;

    assert_equals(getComputedStyle(element).width, '125px');

    container.style.width = '120px';

    assert_equals(getComputedStyle(element).width, '140px');

    container.style.width = '100px';

    assert_equals(getComputedStyle(element).width, '125px');

}, 'width responsive to inherited changes from length');

</script>