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<!doctype html>
<meta charset="utf-8">
<title>Remove and add an animation element while the animation is repeating</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<svg>
<animate id="anim" attributeName="visibility" to="visible" begin="0s" dur="2s" repeatCount="4"/>
<rect x="0" y="0" width="50" height="50" fill="lime">
<set attributeName="fill" to="red" begin="anim.repeat(0)"/>
</rect>
<rect x="50" y="0" width="50" height="50" fill="red">
<set attributeName="fill" to="lime" begin="anim.repeat(1)"/>
</rect>
<rect x="0" y="50" width="50" height="50" fill="red">
<set attributeName="fill" to="lime" begin="anim.repeat(2)"/>
</rect>
<rect x="50" y="50" width="50" height="50" fill="red">
<set attributeName="fill" to="lime" begin="anim.repeat(3)"/>
</rect>
</svg>
<script>
function recreate(anim) {
anim.parentNode.removeChild(anim);
return document.querySelector('svg').appendChild(anim.cloneNode());
}
function waitFrame() {
return new Promise(resolve => {
window.requestAnimationFrame(resolve);
});
}
function checkSetElements(setElements, expected) {
let fillValues = Array.from(setElements).map(set => {
return getComputedStyle(set.targetElement, '').fill;
});
let remappedExpected = expected.map(color => {
const colorMap = {'red': 'rgb(255, 0, 0)', 'lime': 'rgb(0, 255, 0)'};
return colorMap[color];
})
assert_array_equals(fillValues, remappedExpected);
}
promise_test(t => {
let svg = document.querySelector('svg');
let anim = document.getElementById('anim');
let animWatcher = new EventWatcher(t, anim, ['beginEvent', 'repeatEvent']);
// Wait for #anims 'beginEvent' and then step through the
// 'repeatEvents' one at a time.
let stepsPromise = animWatcher.wait_for('beginEvent').then(() => {
checkSetElements(setElements, ['lime', 'red', 'red', 'red']);
svg.setCurrentTime(1.999);
return animWatcher.wait_for('repeatEvent');
}).then(() => {
return waitFrame();
}).then(() => {
checkSetElements(setElements, ['lime', 'lime', 'red', 'red']);
svg.setCurrentTime(2.999);
return waitFrame();
}).then(() => {
checkSetElements(setElements, ['lime', 'lime', 'red', 'red']);
svg.setCurrentTime(3.999);
return animWatcher.wait_for('repeatEvent');
}).then(() => {
return waitFrame();
}).then(() => {
checkSetElements(setElements, ['lime', 'lime', 'lime', 'red']);
let newAnim = recreate(anim);
let animWatcher = new EventWatcher(t, newAnim, ['repeatEvent']);
svg.setCurrentTime(5.999);
return animWatcher.wait_for('repeatEvent');
}).then(() => {
return waitFrame();
}).then(() => {
checkSetElements(setElements, ['lime', 'lime', 'lime', 'lime']);
});
let setElements = document.getElementsByTagName('set');
let setBeginWatchers = Array.from(setElements).map(element => {
return new EventWatcher(t, element, 'beginEvent');
});
// Expect 'beginEvent' to be dispatched once for all but the first 'set' element.
let setPromises = setBeginWatchers.slice(1).map(watcher => {
return watcher.wait_for('beginEvent').then(evt => {
let target = evt.target.targetElement;
assert_equals(getComputedStyle(target, '').fill, 'rgb(0, 255, 0)');
});
});
return Promise.all([stepsPromise, ...setPromises]);
});
</script>
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