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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /testing/web-platform/tests/layout-instability/shift-outside-viewport.html
parentInitial commit. (diff)
downloadfirefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.tar.xz
firefox-esr-0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/layout-instability/shift-outside-viewport.html b/testing/web-platform/tests/layout-instability/shift-outside-viewport.html
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+<!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>
+
+