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Bug 1166301 - Test that the clip on a fixed background of a child element is moved correctly during async scrolling. r=mstange

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This also tests that regions of a fixed background layer that may be revealed by async scrolling are painted.

--HG--
extra : rebase_source : b79de765277d9ea4f23a88f923b06cbeee9712d6
extra : source : 49e72ce8143af66579c8d6c0b6a0f215e9883d5a
This commit is contained in:
Botond Ballo 2015-08-28 13:34:17 -04:00
parent a1d5d090fe
commit 4f8f6ce552
3 changed files with 28 additions and 0 deletions
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11
layout/reftests/async-scrolling/bg-fixed-child-clip-ref.html Normal file
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@ -0,0 +1,11 @@
<!DOCTYPE HTML>
<html>
<body style="overflow:hidden; margin:0;">
<div style="margin-top: 50px; height: 100px;
background-image:url(repeatable-diagonal-gradient.png);
background-attachment:fixed;
background-repeat:no-repeat;
background-position:top left;">
</div>
</body>
</html>

16
layout/reftests/async-scrolling/bg-fixed-child-clip.html Normal file
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@ -0,0 +1,16 @@
<!DOCTYPE HTML>
<html reftest-async-scroll
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="50">
<body style="overflow:hidden; height:3000px; margin:0;">
<div style="margin-top: 100px; height: 100px;
background-image:url(repeatable-diagonal-gradient.png);
background-attachment:fixed;
background-repeat:no-repeat;
background-position:top left;">
</div>
<!-- test that the clip of a background-attachment:fixed background of a
child element moves correctly during async scrolling -->
</body>
</html>

1
layout/reftests/async-scrolling/reftest.list
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@ -3,6 +3,7 @@ skip-if(!asyncPan) == bg-fixed-cover-1.html bg-fixed-cover-1-ref.html
skip-if(!asyncPan) == bg-fixed-cover-2.html bg-fixed-cover-2-ref.html
skip-if(!asyncPan) == bg-fixed-cover-3.html bg-fixed-cover-3-ref.html
skip-if(!asyncPan) == bg-fixed-child.html bg-fixed-child-ref.html
skip-if(!asyncPan) == bg-fixed-child-clip.html bg-fixed-child-clip-ref.html
skip-if(!asyncPan) == element-1.html element-1-ref.html
pref(layers.force-active,true) skip-if(!asyncPan) == iframe-1.html iframe-1-ref.html
skip-if(!asyncPan) == nested-1.html nested-1-ref.html