diff options
Diffstat (limited to 'layout/reftests/xul/inactive-fixed-bg-bug1272525.xul')
| -rw-r--r-- | layout/reftests/xul/inactive-fixed-bg-bug1272525.xul | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/layout/reftests/xul/inactive-fixed-bg-bug1272525.xul b/layout/reftests/xul/inactive-fixed-bg-bug1272525.xul new file mode 100644 index 000000000..81f2e9f8c --- /dev/null +++ b/layout/reftests/xul/inactive-fixed-bg-bug1272525.xul @@ -0,0 +1,36 @@ +<?xml version="1.0"?> +<window xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"> + <!-- Test that a fixed background layer inside an inactive layer tree + is clipped correctly. Here, the inactive layer tree is created by + the SVGEffects display item built for the clip-path on the outer div. + The bug only reproduces in XUL because fixed backgrounds are only + layerized if their animated geometry root is the root frame, but + in HTML there's always an enclosing HTML scroll frame. --> + <style xmlns="http://www.w3.org/1999/xhtml"><![CDATA[ + #inner { + width: 100px; + height: 100px; + background: linear-gradient(red, blue) no-repeat fixed; + background-size: 800px 800px; + } + + #outer { + margin: 50px 50px 0; + width: 100px; + height: 200px; + clip-path: url(#path); + position: fixed; + } + ]]></style> + <div xmlns="http://www.w3.org/1999/xhtml" id="outer"> + <div xmlns="http://www.w3.org/1999/xhtml" id="inner"></div> + </div> + + <svg xmlns="http://www.w3.org/2000/svg" height="0"> + <defs> + <clipPath id="path" clipPathUnits="objectBoundingBox"> + <polygon points="0.25,0.25 0.25,0.75 0.75,0.75 0.75,0.25"/> + </clipPath> + </defs> + </svg> +</window> |