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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>CSS Animations: getComputedStyle().animationDuration</title>
<link rel="help" href="https://drafts.csswg.org/css-animations/#propdef-animation-duration">
<meta name="assert" content="animation-duration converts to seconds.">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/css/support/computed-testcommon.js"></script>
<style>
#container {
container-type: inline-size;
width: 100px;
}
</style>
</head>
<body>
<div id="container">
<div id="target"></div>
</div>
<script>
test_computed_value("animation-duration", "500ms", "0.5s");
test_computed_value("animation-duration", "calc(2 * 3s)", "6s");
test_computed_value("animation-duration", 'calc(10s + (sign(2cqw - 10px) * 5s))', '5s');
test_computed_value("animation-duration", "20s, 10s");
// https://github.com/w3c/csswg-drafts/issues/6530
test_computed_value("animation-duration", "auto", "0s");
test_computed_value("animation-duration", "auto, auto", "0s, 0s");
// Test that the resolved value of the specified animation-duration
// is as expected given some value for animation-timeline.
function test_auto_duration(duration, timeline, expected) {
test((t) => {
t.add_cleanup(() => {
target.style = "";
});
target.style.animationDuration = duration;
target.style.animationTimeline = timeline;
assert_equals(expected, getComputedStyle(target).animationDuration);
}, `Resolved value of animation-duration:${duration} with animation-timeline:${timeline}`);
}
test_auto_duration("auto", "auto", "0s");
test_auto_duration("auto", "auto, auto", "auto");
test_auto_duration("auto", "--t", "auto");
test_auto_duration("auto", "--t, --t2", "auto");
test_auto_duration("auto", "none", "auto");
test_auto_duration("auto", "scroll()", "auto");
test_auto_duration("auto", "view()", "auto");
test_auto_duration("0s", "auto", "0s");
test_auto_duration("0s", "auto, auto", "0s");
</script>
</body>
</html>
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