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Test Info:

<!DOCTYPE html>↩
<html class="reftest-wait">↩
<head>↩
<title>Bug 1450845: Avoid seek to next frame when already seeking</title>↩
<script>↩
async function boom() {↩
let video = document.getElementById('video');↩
// Internally play causes a seek, make sure we don't crash during this↩
video.play();↩
try {↩
await document.getElementById('video').seekToNextFrame();↩
} catch (e) {↩
// We don't mind if the promise was rejected so long as we don't crash↩
}↩
// Didn't crash↩
// Stop playback and cause a seek to 0↩
video.pause();↩
video.currentTime = 0;↩
try {↩
await document.getElementById('video').seekToNextFrame();↩
} finally {↩
// Didn't crash↩
document.documentElement.removeAttribute("class");↩
}↩
}↩
window.addEventListener('load', boom)↩
</script>↩
</head>↩
<body>↩
<video id='video' src='data:video/webm;base64,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'>↩
</body>↩
</html>↩