summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html
diff options
context:
space:
mode:
authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-15 03:35:49 +0000
commitd8bbc7858622b6d9c278469aab701ca0b609cddf (patch)
treeeff41dc61d9f714852212739e6b3738b82a2af87 /testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html
parentReleasing progress-linux version 125.0.3-1~progress7.99u1. (diff)
downloadfirefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.tar.xz
firefox-d8bbc7858622b6d9c278469aab701ca0b609cddf.zip
Merging upstream version 126.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html')
-rw-r--r--testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html29
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html b/testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html
new file mode 100644
index 0000000000..ac3ad0c2c2
--- /dev/null
+++ b/testing/web-platform/tests/css/css-properties-values-api/animation/registered-neutral-keyframe.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<link rel="help" href="https://drafts.css-houdini.org/css-properties-values-api-1">
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<style>
+@keyframes test {
+ to { --x: to; }
+}
+#target {
+ --x: underlying;
+ animation: test 1s;
+}
+</style>
+<div id="target"></div>
+<script>
+CSS.registerProperty({
+ name: '--x',
+ syntax: '*',
+ inherits: false,
+});
+
+test(() => {
+ target.style.animationDelay = '-0.25s';
+ assert_equals(getComputedStyle(target).getPropertyValue('--x'), 'underlying', 'at 25%');
+
+ target.style.animationDelay = '-0.75s';
+ assert_equals(getComputedStyle(target).getPropertyValue('--x'), 'to', 'at 25%');
+}, 'CSS Animations neutral keyframes on registered custom properties should produce the underlying value');
+</script>