blob: d44099a5084aad2267f07fc83874f65d9f9f6bdc [file] [log] [blame]
<!DOCTYPE html>
<!--
| Test case which ensures that when an element has its display set to none,
| all running transitions on it are immediately ended.
| While the specification doesn't seem to say anything about this, it is
| how Chrome and Firefox both work, and it is also intuitively in line with
| the following behavior specified for CSS Animations:
| From https://www.w3.org/TR/2013/WD-css3-animations-20130219/#animations,
| "Setting the display property to ‘none’ will terminate any running animation
| applied to the element and its descendants. If an element has a display of
| ‘none’, updating display to a value other than ‘none’ will start all
| animations applied to the element by the ‘animation-name’ property, as well
| as all animations applied to descendants with display other than ‘none’."
-->
<html>
<head>
<style>
#block {
width: 100px;
height: 100px;
background-color: red;
font-size: 30px;
transition: background-color 1s, transform 2s linear;
}
</style>
</head>
<body>
<div id="block"></div>
<script>
if (window.testRunner) {
window.testRunner.waitUntilDone();
}
var blockDiv = document.getElementById('block');
window.addEventListener('load', function() {
if (window.testRunner) {
// Do a layout upon the load event so that we setup our source styles
// that we will be transitioning from.
window.testRunner.DoNonMeasuredLayout();
}
blockDiv.style.backgroundColor = 'blue';
blockDiv.style.transform = "translate(100px, 0)";
if (window.testRunner) {
// Run the transition a bit so that it is started but not completed.
window.testRunner.DoNonMeasuredLayout();
window.testRunner.AdvanceClockByMs(500);
window.testRunner.DoNonMeasuredLayout();
blockDiv.style.display = "none";
window.testRunner.DoNonMeasuredLayout();
blockDiv.style.display = "block";
// Measure that the transition should now appear to be fully completed.
window.testRunner.notifyDone();
}
});
</script>
</body>
</html>