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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
|---|---|---|
| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html | |
| parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
| download | UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.gz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.lz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.tar.xz UXP-5f8de423f190bbb79a62f804151bc24824fa32d8.zip | |
Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html')
| -rw-r--r-- | layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html b/layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html new file mode 100644 index 000000000..c167df077 --- /dev/null +++ b/layout/reftests/css-transitions/stacking-context-opacity-wins-over-important-style.html @@ -0,0 +1,42 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<title> +Opacity transition winning over !important rule creates a stacking context +</title> +<style> +span { + height: 100px; + width: 100px; + position: fixed; + background: green; + top: 50px; +} +#test { + width: 100px; height: 100px; + background: blue; + /* + * On the compositor we use a previous vsync time stamp rather than the + * current time stamp, as a result sometimes transition may be still in + * before phase after waiting a frame. To compose the same opacity value + * regardless of whether the transition is in before or active phase, we use + * steps(1, end) here. + */ + transition: opacity 100s steps(1, end); + opacity: 1 ! important; +} +</style> +<span></span> +<div id="test"></div> +<script> +window.addEventListener("load", () => { + var target = document.getElementById("test"); + getComputedStyle(target).opacity; + + target.style.setProperty("opacity", "0", "important"); + getComputedStyle(target).opacity; + + requestAnimationFrame(() => { + document.documentElement.classList.remove("reftest-wait"); + }); +}); +</script> |