75 lines
1.8 KiB
HTML
75 lines
1.8 KiB
HTML
<!DOCTYPE html>
|
|
<title>Test that non-animated style is responsive to animated properties</title>
|
|
<link rel="help" href="https://drafts.csswg.org/css-animations/">
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<style>
|
|
@keyframes font_size_animation {
|
|
from { font-size: 10px; }
|
|
to { font-size: 20px; }
|
|
}
|
|
@keyframes var_animation {
|
|
from { --x: 10px; }
|
|
to { --x: 20px; }
|
|
}
|
|
#targets > div {
|
|
animation-duration: 1000s;
|
|
animation-delay: -500s;
|
|
animation-timing-function: steps(2, end);
|
|
}
|
|
|
|
#target1 {
|
|
animation-name: font_size_animation;
|
|
font-size: 1px;
|
|
width: 1em;
|
|
}
|
|
#ref1 {
|
|
width: 15px;
|
|
}
|
|
|
|
#target2 {
|
|
animation-name: font_size_animation;
|
|
font-size: 1px;
|
|
width: 1ex;
|
|
}
|
|
#ref2 {
|
|
font-size: 15px;
|
|
width: 1ex;
|
|
}
|
|
|
|
#target3 {
|
|
animation-name: var_animation;
|
|
--x: 0px;
|
|
width: var(--x);
|
|
}
|
|
#ref3 {
|
|
width: 20px;
|
|
}
|
|
</style>
|
|
<div id="targets">
|
|
<div id="target1"></div>
|
|
<div id="target2"></div>
|
|
<div id="target3"></div>
|
|
</div>
|
|
<div id="refs">
|
|
<div id="ref1"></div>
|
|
<div id="ref2"></div>
|
|
<div id="ref3"></div>
|
|
</div>
|
|
<script>
|
|
|
|
// Test that the computed value of the given property is equal on
|
|
// 'target' and 'ref'.
|
|
function test_ref(target, ref, property, description) {
|
|
test(() => {
|
|
let actual = getComputedStyle(target).getPropertyValue(property);
|
|
let expected = getComputedStyle(ref).getPropertyValue(property);
|
|
assert_equals(actual, expected);
|
|
}, description);
|
|
}
|
|
|
|
test_ref(target1, ref1, 'width', 'em units respond to font-size animation');
|
|
test_ref(target2, ref2, 'width', 'ex units respond to font-size animation');
|
|
test_ref(target3, ref3, 'width', 'var() references respond to custom property animation');
|
|
|
|
</script>
|