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<!doctype html>
<meta charset=utf-8>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="../testcommon.js"></script>
<body>
<div id="log"></div>
<script>
'use strict';
function waitForSetPref(pref, value) {
return SpecialPowers.pushPrefEnv({ 'set': [[pref, value]] });
}
/*
* These tests rely on the fact that the overflow-clip-box property is
* disabled by the layout.css.overflow-clip-box.enabled pref. If we ever remove
* that pref we will need to substitute some other pref:property combination.
*/
promise_test(function(t) {
return waitForSetPref('layout.css.overflow-clip-box.enabled', true).then(() => {
var anim = addDiv(t).animate({ overflowClipBoxBlock: [ 'padding-box', 'content-box' ]});
assert_equals(anim.effect.getKeyframes().length, 2,
'A property-indexed keyframe specifying only enabled'
+ ' properties produces keyframes');
return waitForSetPref('layout.css.overflow-clip-box.enabled', false);
}).then(() => {
var anim = addDiv(t).animate({ overflowClipBoxBlock: [ 'padding-box', 'content-box' ]});
assert_equals(anim.effect.getKeyframes().length, 0,
'A property-indexed keyframe specifying only disabled'
+ ' properties produces no keyframes');
});
}, 'Specifying a disabled property using a property-indexed keyframe');
promise_test(function(t) {
var createAnim = () => {
var anim = addDiv(t).animate([ { overflowClipBoxBlock: 'padding-box' },
{ overflowClipBoxBlock: 'content-box' } ]);
assert_equals(anim.effect.getKeyframes().length, 2,
'Animation specified using a keyframe sequence should'
+ ' return the same number of keyframes regardless of'
+ ' whether or not the specified properties are disabled');
return anim;
};
var assert_has_property = (anim, index, descr, property) => {
assert_true(
anim.effect.getKeyframes()[index].hasOwnProperty(property),
`${descr} should have the '${property}' property`);
};
var assert_does_not_have_property = (anim, index, descr, property) => {
assert_false(
anim.effect.getKeyframes()[index].hasOwnProperty(property),
`${descr} should NOT have the '${property}' property`);
};
return waitForSetPref('layout.css.overflow-clip-box.enabled', true).then(() => {
var anim = createAnim();
assert_has_property(anim, 0, 'Initial keyframe', 'overflowClipBoxBlock');
assert_has_property(anim, 1, 'Final keyframe', 'overflowClipBoxBlock');
return waitForSetPref('layout.css.overflow-clip-box.enabled', false);
}).then(() => {
var anim = createAnim();
assert_does_not_have_property(anim, 0, 'Initial keyframe',
'overflowClipBoxBlock');
assert_does_not_have_property(anim, 1, 'Final keyframe',
'overflowClipBoxBlock');
});
}, 'Specifying a disabled property using a keyframe sequence');
</script>
</body>
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