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| author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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| committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
| commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
| tree | 10027f336435511475e392454359edea8e25895d /layout/reftests/css-animations/no-stacking-context-opacity-removing-animation-in-delay.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-animations/no-stacking-context-opacity-removing-animation-in-delay.html')
| -rw-r--r-- | layout/reftests/css-animations/no-stacking-context-opacity-removing-animation-in-delay.html | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/layout/reftests/css-animations/no-stacking-context-opacity-removing-animation-in-delay.html b/layout/reftests/css-animations/no-stacking-context-opacity-removing-animation-in-delay.html new file mode 100644 index 000000000..f8b58ed20 --- /dev/null +++ b/layout/reftests/css-animations/no-stacking-context-opacity-removing-animation-in-delay.html @@ -0,0 +1,48 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<title> +Removing CSS animation in delay phase destroys 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: 1 ! important; +} +</style> +<span></span> +<div id="test"></div> +<script> +window.addEventListener("load", () => { + var target = document.getElementById("test"); + target.style.animation = "Opacity0 100s 100s"; + + // We need to wait for MozAfterPaint instead of requestAnimationFrame to + // ensure the stacking context has been updated on the compositor. + window.addEventListener("MozAfterPaint", function firstPaint() { + window.removeEventListener("MozAfterPaint", firstPaint, false); + // Here we have CSS animation on 100% opacity style element, so + // there should be a stacking context. + + target.style.animation = ""; + + // This time we don't need to wait for MozAfterPaint because reftest tool + // will be received MozAferPaint event. + requestAnimationFrame(() => { + // Now we have only 100% opacity style, so we should not create any + // stacking context. + document.documentElement.classList.remove("reftest-wait"); + }); + }, false); +}); +</script> |