34 lines
950 B
HTML
34 lines
950 B
HTML
<!DOCTYPE html>
|
|
<title>Layout Instability: shift outside viewport</title>
|
|
<link rel="help" href="https://wicg.github.io/layout-instability/" />
|
|
<style>
|
|
|
|
body { margin: 0; }
|
|
#j { position: absolute; width: 600px; height: 200px; top: 100%; background: blue; }
|
|
|
|
</style>
|
|
<div id='j'></div>
|
|
<script src="/resources/testharness.js"></script>
|
|
<script src="/resources/testharnessreport.js"></script>
|
|
<script src="resources/util.js"></script>
|
|
<script>
|
|
|
|
promise_test(async () => {
|
|
const watcher = new ScoreWatcher;
|
|
|
|
// Wait for the initial render to complete.
|
|
await waitForAnimationFrames(2);
|
|
|
|
// Move div even further out of viewport.
|
|
document.querySelector("#j").style.top =
|
|
document.documentElement.clientHeight + 200 + "px";
|
|
|
|
// 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.");
|
|
|
|
</script>
|
|
|
|
|