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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /testing/web-platform/tests/layout-instability/shift-with-counter-scroll-and-translate.html
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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diff --git a/testing/web-platform/tests/layout-instability/shift-with-counter-scroll-and-translate.html b/testing/web-platform/tests/layout-instability/shift-with-counter-scroll-and-translate.html
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+<!DOCTYPE html>
+<title>Layout Instability: shift with counter scroll and translate not counted</title>
+<link rel="help" href="https://wicg.github.io/layout-instability/" />
+<style>
+.scroller {
+ overflow: scroll;
+ position: absolute;
+ left: 20px;
+ top: 20px;
+ width: 200px;
+ height: 200px;
+}
+.content {
+ width: 600px;
+ height: 600px;
+}
+.changer {
+ position: relative;
+ background: yellow;
+ left: 10px;
+ top: 100px;
+ width: 150px;
+ height: 150px;
+}
+
+</style>
+<div id="scroller1" class="scroller">
+ <div class="content">
+ <div id="changer1" class="changer"></div>
+ </div>
+</div>
+<div id="scroller2" class="scroller">
+ <div class="content">
+ <div id="changer2" class="changer"></div>
+ </div>
+</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);
+
+ changer1.style.top = "250px";
+ changer1.style.translate = "0 -50px";
+ // 250 - 50 = 200; old position is 100; hence scrollTop to counter is 100.
+ scroller1.scrollTop = 100;
+
+ changer2.style.left = "220px";
+ changer2.style.translate = "80px 0";
+ // 220 + 80 = 300; old position is 10; hence scrollTop to counter is 290.
+ scroller2.scrollLeft = 290;
+
+ await waitForAnimationFrames(3);
+ assert_equals(watcher.score, 0);
+}, "Shift with counter scroll and translate not counted.");
+
+</script>