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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /layout/reftests/async-scrolling/contain-paint-scrollable-frame-1.html
parentInitial commit. (diff)
downloadfirefox-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/async-scrolling/contain-paint-scrollable-frame-1.html')
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diff --git a/layout/reftests/async-scrolling/contain-paint-scrollable-frame-1.html b/layout/reftests/async-scrolling/contain-paint-scrollable-frame-1.html
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+++ b/layout/reftests/async-scrolling/contain-paint-scrollable-frame-1.html
@@ -0,0 +1,27 @@
+<!DOCTYPE HTML>
+<html reftest-async-scroll>
+<body>
+ <div style="width:400px; height:200px; overflow:scroll;
+ scrollbar-width: none;
+ border:2px solid black; background: red;
+ contain:paint;"
+ reftest-displayport-x="0" reftest-displayport-y="0"
+ reftest-displayport-w="800" reftest-displayport-h="2000"
+ reftest-async-scroll-x="0" reftest-async-scroll-y="100">
+ <!-- This element is what we're hoping will fill the scrollport
+ when the reftest snapshot is taken: -->
+ <div style="background: lime; margin-top: 100px; height: 600px"></div>
+
+ <!-- This element is just to be sure the scrollframe's "contain:paint"
+ styling is actually having an effect. "contain:paint" should make the
+ scrollframe become a containing block for this fixed-pos element, and
+ then this element will position itself off the bottom of the
+ scrollframe and will be entirely clipped. If we fail to honor
+ "contain:paint" for some reason, then this element will instead use
+ the *viewport* as its containing block, and it'll show up in the
+ reftest snapshot and cause the reftest to fail. -->
+ <div style="position: fixed; top: 320px; width: 50px; height: 50px;
+ background: purple;"></div>
+ </div>
+</body>
+</html>