<!
DOCTYPE html>
<
meta charset=
"utf-8">
<
title>CSS Basic User Interface Test: interpolable outline-* properties animation</
title>
<
link rel=
"author" title=
"Florian Rivoal" href=
"http://florian.rivoal.net">
<
link rel=
"help" href=
"https://drafts.csswg.org/css-ui-3/#propdef-outline-style">
<
link rel=
"help" href=
"https://www.w3.org/TR/web-animations-1/#dom-animatable-animate">
<
script src=
"/resources/testharness.js"></
script>
<
script src=
"/resources/testharnessreport.js"></
script>
<
style>
@keyframes outline-anim {
from {
outline: solid 1px rgba(1, 0, 0, 0.5);
outline-offset: 1px;
}
to {
outline: solid 3px rgba(3, 0, 0, 0.5);
outline-offset: 3px;
}
}
#test {
animation: outline-anim 3s -1.5s paused linear;
outline: solid 1px rgba(1, 0, 0, 0.5);
outline-offset: 1px;
}
</
style>
<
body>
<
div id=
"test"></
div>
<
div id=log></
div>
<
script>
// outline being a render-only property, its animation can be done off the main thread
// checking the values after the first paint is safer, hence requestAnimationFrame
setup({explicit_done:true});
requestAnimationFrame(function() {
// synchronous tests being run during the page
's first paint
test(
function(){
var test = document.getElementById(
"test");
assert_equals(getComputedStyle(test).outlineColor,
'rgba(2, 0, 0, 0.5)');
},
"outline-color is animated as a color");
test(
function(){
var test = document.getElementById(
"test");
assert_equals(getComputedStyle(test).outlineWidth,
'2px');
},
"outline-width is animated as a length");
test(
function(){
var test = document.getElementById(
"test");
assert_equals(getComputedStyle(test).outlineOffset,
'2px');
},
"outline-offset is animated as a length");
done();
});
</
script>
</
body>
