summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html')
-rw-r--r--testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html72
1 files changed, 72 insertions, 0 deletions
diff --git a/testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html b/testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html
new file mode 100644
index 0000000000..e9ef6762ea
--- /dev/null
+++ b/testing/web-platform/tests/web-animations/timing-model/animations/sync-start-times.html
@@ -0,0 +1,72 @@
+
+<!DOCTYPE html>
+<html class="reftest-wait">
+<meta charset="UTF-8">
+<title>sync start times</title>
+<link rel="match" href="sync-start-times-ref.html">
+<script src="/common/reftest-wait.js"></script>
+<style>
+ #box-1, #box-2 {
+ border: 1px solid white;
+ height: 40px;
+ left: 40px;
+ position: absolute;
+ top: 40px;
+ width: 40px;
+ /* To ensure Chrome to render the two boxes (one actively
+ animating and the other not) with the same subpixel offset
+ when there is subpixel translation during animation. */
+ will-change: transform;
+ }
+ #box-1 {
+ background: blue;
+ z-index: 1;
+ }
+ #box-2 {
+ background: white;
+ z-index: 2;
+ }
+ #notes {
+ position: absolute;
+ left: 0px;
+ top: 100px;
+ }
+</style>
+
+<body>
+ <div id="box-1"></div>
+ <div id="box-2"></div>
+ <p id="notes">
+ This test creates a pair of animations, starts the first animation and then
+ syncs the second animation to align with the first. The test passes if the
+ box associated with the first animation is completely occluded by the
+ second.
+ </p>
+</body>
+<script>
+ onload = function() {
+ function createAnimation(elementId) {
+ const elem = document.getElementById(elementId);
+ const keyframes = [
+ { transform: 'translateX(0px)' },
+ { transform: 'translateX(200px)' }
+ ];
+ const anim = elem.animate(keyframes, { duration: 1000 });
+ anim.pause();
+ return anim;
+ };
+
+ const anim1 = createAnimation('box-1');
+ const anim2 = createAnimation('box-2');
+
+ anim1.currentTime = 500;
+ anim1.play();
+
+ anim1.ready.then(() => {
+ anim2.startTime = anim1.startTime;
+ requestAnimationFrame(() => {
+ takeScreenshot();
+ });
+ });
+ };
+</script>