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<!doctype html>
<meta charset=utf-8>
<script src="../testcommon.js"></script>
<body>
<script>
'use strict';
promise_test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
var animation = div.getAnimations()[0];
return animation.ready.then(waitForFrame).then(function() {
assert_not_equals(getComputedStyle(div).marginLeft, '1000px',
'transform style is animated before cancelling');
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, div.style.marginLeft,
'transform style is no longer animated after cancelling');
});
}, 'Animated style is cleared after cancelling a running CSS transition');
promise_test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
div.addEventListener('transitionend', function() {
assert_unreached('Got unexpected end event on cancelled transition');
});
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
// Seek to just before the end then cancel
animation.currentTime = 99.9 * 1000;
animation.cancel();
// Then wait a couple of frames and check that no event was dispatched
return waitForAnimationFrames(2);
});
}, 'Cancelled CSS transitions do not dispatch events');
promise_test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after cancelling');
animation.play();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is animated after re-starting transition');
return animation.ready;
}).then(function() {
assert_equals(animation.playState, 'running',
'Transition succeeds in running after being re-started');
});
}, 'After cancelling a transition, it can still be re-used');
promise_test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
animation.finish();
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after cancelling');
animation.play();
assert_equals(getComputedStyle(div).marginLeft, '0px',
'margin-left style is animated after re-starting transition');
return animation.ready;
}).then(function() {
assert_equals(animation.playState, 'running',
'Transition succeeds in running after being re-started');
});
}, 'After cancelling a finished transition, it can still be re-used');
test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
var animation = div.getAnimations()[0];
animation.cancel();
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is not animated after cancelling');
// Trigger a change to a transition property and check that this
// doesn't cause the animation to become live again
div.style.transitionDuration = '200s';
flushComputedStyle(div);
assert_equals(getComputedStyle(div).marginLeft, '1000px',
'margin-left style is still not animated after updating'
+ ' transition-duration');
assert_equals(animation.playState, 'idle',
'Transition is still idle after updating transition-duration');
}, 'After cancelling a transition, updating transition properties doesn\'t make'
+ ' it live again');
promise_test(function(t) {
var div = addDiv(t, { style: 'margin-left: 0px' });
flushComputedStyle(div);
div.style.transition = 'margin-left 100s';
div.style.marginLeft = '1000px';
flushComputedStyle(div);
var animation = div.getAnimations()[0];
return animation.ready.then(function() {
assert_equals(animation.playState, 'running');
div.style.display = 'none';
return waitForFrame();
}).then(function() {
assert_equals(animation.playState, 'idle');
assert_equals(getComputedStyle(div).marginLeft, '1000px');
});
}, 'Setting display:none on an element cancels its transitions');
promise_test(function(t) {
var parentDiv = addDiv(t);
var childDiv = document.createElement('div');
parentDiv.appendChild(childDiv);
childDiv.setAttribute('style', 'margin-left: 0px');
flushComputedStyle(childDiv);
childDiv.style.transition = 'margin-left 100s';
childDiv.style.marginLeft = '1000px';
flushComputedStyle(childDiv);
var animation = childDiv.getAnimations()[0];
return animation.ready.then(function() {
assert_equals(animation.playState, 'running');
parentDiv.style.display = 'none';
return waitForFrame();
}).then(function() {
assert_equals(animation.playState, 'idle');
assert_equals(getComputedStyle(childDiv).marginLeft, '1000px');
});
}, 'Setting display:none cancels transitions on a child element');
done();
</script>
</body>
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