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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 19:33:14 +0000
commit36d22d82aa202bb199967e9512281e9a53db42c9 (patch)
tree105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/animation/test/mozilla/file_transition_finish_on_compositor.html
parentInitial commit. (diff)
downloadfirefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz
firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
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1 files changed, 67 insertions, 0 deletions
diff --git a/dom/animation/test/mozilla/file_transition_finish_on_compositor.html b/dom/animation/test/mozilla/file_transition_finish_on_compositor.html
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+++ b/dom/animation/test/mozilla/file_transition_finish_on_compositor.html
@@ -0,0 +1,67 @@
+<!doctype html>
+<meta charset=utf-8>
+<script src="../testcommon.js"></script>
+<script src="/tests/SimpleTest/paint_listener.js"></script>
+<style>
+div {
+ /* Element needs geometry to be eligible for layerization */
+ width: 100px;
+ height: 100px;
+ background-color: white;
+}
+</style>
+<body>
+<script>
+'use strict';
+
+function waitForPaints() {
+ return new Promise(function(resolve, reject) {
+ waitForAllPaintsFlushed(resolve);
+ });
+}
+
+promise_test(t => {
+ // This test only applies to compositor animations
+ if (!isOMTAEnabled()) {
+ return;
+ }
+
+ var div = addDiv(t, { style: 'transition: transform 50ms; ' +
+ 'transform: translateX(0px)' });
+ getComputedStyle(div).transform;
+
+ div.style.transform = 'translateX(100px)';
+
+ var timeBeforeStart = window.performance.now();
+ return waitForPaints().then(() => {
+ // If it took over 50ms to paint the transition, we have no luck
+ // to test it. This situation will happen if GC runs while waiting for the
+ // paint.
+ if (window.performance.now() - timeBeforeStart >= 50) {
+ return;
+ }
+
+ var transform =
+ SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
+ assert_not_equals(transform, '',
+ 'The transition style is applied on the compositor');
+
+ // Generate artificial busyness on the main thread for 100ms.
+ var timeAtStart = window.performance.now();
+ while (window.performance.now() - timeAtStart < 100) {}
+
+ // Now the transition on the compositor should finish but stay at the final
+ // position because there was no chance to pull the transition back from
+ // the compositor.
+ transform =
+ SpecialPowers.DOMWindowUtils.getOMTAStyle(div, 'transform');
+ assert_equals(transform, 'matrix(1, 0, 0, 1, 100, 0)',
+ 'The final transition style is still applied on the ' +
+ 'compositor');
+ });
+}, 'Transition on the compositor keeps the final style while the main thread ' +
+ 'is busy even if the transition finished on the compositor');
+
+done();
+</script>
+</body>