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<!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>
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