diff options
| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
| commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
| tree | f435a8308119effd964b339f76abb83a57c29483 /layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html | |
| parent | Initial commit. (diff) | |
| download | firefox-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>
Diffstat (limited to 'layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html')
| -rw-r--r-- | layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html b/layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html new file mode 100644 index 0000000000..dd1c02f465 --- /dev/null +++ b/layout/reftests/css-transitions/stacking-context-opacity-lose-to-animation.html @@ -0,0 +1,44 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<title> +Opacity transition and animation overridden by !important rule creates a +stacking context +</title> +<style> +span { + height: 100px; + width: 100px; + position: fixed; + background: green; + top: 50px; +} +@keyframes Opacity0 { + from, to { opacity: 0; } +} +#test { + width: 100px; height: 100px; + background: blue; + opacity: 0 ! important; + transition: opacity 100s steps(1, start); + animation: Opacity0 100s; +} +</style> +<span></span> +<div id="test"></div> +<script> +window.addEventListener("load", () => { + var target = document.getElementById("test"); + getComputedStyle(target).opacity; + + // Change the opacity style to 100%. + target.style.setProperty("opacity", "1", "important"); + // Important style is changed but there is a CSS animation, + // so transition won't be visible and the CSS animation is overridden by + // the !important rule. As a result opacity style here should be 100% + // specified by the important rule, but we should create a stacking + // context for it because there are animations. + + getComputedStyle(target).opacity; + document.documentElement.classList.remove("reftest-wait"); +}); +</script> |