Index: third_party/WebKit/LayoutTests/compositing/overflow/absolute-element-in-isolated-composited-ancestor.html |
diff --git a/third_party/WebKit/LayoutTests/compositing/overflow/absolute-element-in-isolated-composited-ancestor.html b/third_party/WebKit/LayoutTests/compositing/overflow/absolute-element-in-isolated-composited-ancestor.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..b698fb26373c6964bb1f7148dd088671ad20ad15 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/compositing/overflow/absolute-element-in-isolated-composited-ancestor.html |
@@ -0,0 +1,66 @@ |
+<!DOCTYPE html> |
+<style> |
+body { |
+ margin: 0px; |
+} |
+ |
+.scroller { |
+ overflow: scroll; |
+ width: 200px; |
+ height: 600px; |
+} |
+ |
+.composited { |
+ backface-visibility: hidden; |
+ isolation: isolate; |
+} |
+ |
+.box { |
+ background: rgba(0, 255, 0, 0.9); |
+ position: absolute; |
+ width: 185px; |
+ height: 50px; |
+ top: 0px; |
+} |
+ |
+.indicator { |
+ position: absolute; |
+ width: 185px; |
+ height: 50px; |
+ background: red; /* covered up by .box when working */ |
+} |
+ |
+.container { |
+ width: 100%; |
+ height: 1000px; |
+ background: grey; |
+} |
+</style> |
+ |
+<div id="scroller" class="scroller"> |
+ <div class="composited container"> |
+ <div class="indicator"></div> |
+ <div class="box"></div> |
+ </div> |
+</div> |
+ |
+<script> |
+ if (window.testRunner) |
+ testRunner.waitUntilDone() |
+ |
+ function doTest() { |
+ let scroller = document.getElementById('scroller'); |
+ window.requestAnimationFrame(function() { |
+ scroller.scrollTop = 200; |
+ if (window.testRunner) |
+ testRunner.notifyDone(); |
+ }); |
+ } |
+ |
+ window.addEventListener('load', function() { |
+ window.requestAnimationFrame(function() { |
+ window.requestAnimationFrame(doTest); |
+ }) |
+ }); |
+</script> |
+ |