blob: 49242913760a76d124eac0eeb3de8bb4e8eb8a19 [file] [log] [blame]
<!DOCTYPE html>
<title>Layout Instability: shift outside viewport</title>
<link rel="help" href="" />
body { margin: 0; }
#j { position: relative; width: 600px; height: 200px; top: 600px; }
<div id='j'></div>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/util.js"></script>
promise_test(async () => {
const watcher = new ScoreWatcher;
// Wait for the initial render to complete.
await waitForAnimationFrames(2);
document.querySelector("#j") = "800px";
// Since the element moves entirely outside of the viewport, it shouldn't
// generate a score.
await waitForAnimationFrames(3);
assert_equals(watcher.score, 0);
}, "Shift outside viewport.");