Index: LayoutTests/compositing/squashing/overflow-scroll-grandchildren.html |
diff --git a/LayoutTests/compositing/squashing/overflow-scroll-grandchildren.html b/LayoutTests/compositing/squashing/overflow-scroll-grandchildren.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..5c44d48792ff7de473972eb0ab80e4a92229f34a |
--- /dev/null |
+++ b/LayoutTests/compositing/squashing/overflow-scroll-grandchildren.html |
@@ -0,0 +1,62 @@ |
+<!DOCTYPE html> |
+<style> |
+ #container { |
+ width: 300px; |
+ height: 300px; |
+ border: 1px solid black; |
+ overflow: scroll; |
+ } |
+ |
+ #overlapper { |
+ position: fixed; |
+ background-color: red; |
+ width: 50px; |
+ height: 200px; |
+ left: 20px; |
+ top: 20px; |
+ -webkit-transform: translateZ(0); |
+ } |
+ |
+ #subcontainer { |
+ height: 500px |
+ } |
+ |
+ .child { |
+ position: relative; |
+ top: 5px; |
+ left: 5px; |
+ background-color: green; |
+ height: 35px; |
+ width: 35px; |
+ margin: 50px; |
+ } |
+ |
+ .grandchild { |
+ position: relative; |
+ top: 5px; |
+ left: 5px; |
+ background-color: blue; |
+ height: 10px; |
+ width: 10px; |
+ } |
+</style> |
+ |
+<div id="overlapper"></div> |
+<div id="container"> |
+ <div id="subcontainer"> |
+ <div class="child"> |
+ <div class="grandchild"></div> |
+ </div> |
+ <div class="child"> |
+ <div class="grandchild"></div> |
+ </div> |
+ </div> |
+</div> |
+<script> |
+if (window.internals) |
+ window.internals.settings.setLayerSquashingEnabled(true); |
+ |
+// Scroll so that one of the grandchildren boxes is half clipped by the overflow:scroll div. |
+var container = document.getElementById("container"); |
+container.scrollTop = 65; |
+</script> |