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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /svg/animations/restart-never-and-begin-click.html - WPT Dashboard Interop Dashboard
<!doctype html>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<style>
svg {
position: absolute;
top: 0;
left: 0;
width: 100px;
height: 100px;
}
</style>
<svg>
<rect width="100" height="100" fill="black">
<animate attributeName="opacity" to="0" dur="100ms" begin="click" restart="never">
</rect>
</svg>
<script>
promise_test(async test => {
const target = document.querySelector("rect");
const animation = document.querySelector("animate");
// Wait a frame and click on the element to start the animation.
await new Promise(requestAnimationFrame);
// Ensure the animation runs once completely.
await Promise.all([
new Promise(resolve => animation.addEventListener("beginEvent", resolve, { once: true })),
new Promise(resolve => animation.addEventListener("endEvent", resolve, { once: true })),
test_driver.click(target)
]);
// Wait another frame.
await new Promise(requestAnimationFrame);
// Track whether the animation will start again.
let began = false;
animation.addEventListener("beginEvent", event => began = true, { once: true });
// Click on the element, which should not trigger the animation.
await test_driver.click(target);
// Wait a couple of frames to give it time to run.
await new Promise(requestAnimationFrame);
await new Promise(requestAnimationFrame);
assert_false(began, "The animation must not restart");
}, "Setting restart='never' prevents animation with begin='click' from restarting");
</script>
</body>