File: scroll-timeline-completion-crash.html

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<!DOCTYPE html>
<title>This test passes if it does not crash</title>
<link rel="help" src="https://drafts.csswg.org/scroll-animations-1/">
<script src="/web-animations/testcommon.js"></script>

<style>
    @keyframes grow-progress {
        from { background-color: green; }
        to { background-color: red; }
    }

    #container {
        overflow: scroll;
        width: 100px;
        height: 100px;
        animation: grow-progress linear forwards;
        animation-timeline: scroll(self);
    }

    #content {
        width: 200px;
        height: 200px;
    }
</style>
<body onload="runTest()">
<div id="container">
    <div id="content"></div>
</div>
<script>

async function runTest() {
    const container = document.getElementById("container");
    container.scrollTo(0, container.scrollHeight - container.clientHeight);
    await waitForNextFrame();

    const elem = document.getElementById("content");
    elem.style.width = "0px";
    elem.style.height = "0px";

    await waitForNextFrame();
  }
</script>