Index: third_party/WebKit/LayoutTests/paint/invalidation/compositing/should-not-clip-composited-overflow-scrolling-layer.html |
diff --git a/third_party/WebKit/LayoutTests/paint/invalidation/compositing/should-not-clip-composited-overflow-scrolling-layer.html b/third_party/WebKit/LayoutTests/paint/invalidation/compositing/should-not-clip-composited-overflow-scrolling-layer.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bf0d3ddafa38a707da483db3fed295fc1c83d1b8 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/paint/invalidation/compositing/should-not-clip-composited-overflow-scrolling-layer.html |
@@ -0,0 +1,33 @@ |
+<!DOCTYPE HTML> |
+<script src="../resources/text-based-repaint.js"></script> |
+<script> |
+if (window.internals) |
+ internals.settings.setPreferCompositingToLCDTextEnabled(true); |
+function repaintTest() { |
+ document.getElementById('content').style.backgroundColor = 'green'; |
+ var container = document.getElementById('container'); |
+ container.scrollLeft = 2000; |
+ container.scrollTop = 2000; |
+} |
+window.onload = runRepaintAndPixelTest; |
+</script> |
+<style> |
+#container { |
+ width: 500px; |
+ height: 500px; |
+ overflow: scroll; |
+} |
+#content { |
+ width: 5000px; |
+ height: 5000px; |
+ background-color: red; |
+} |
+</style> |
+<div id="container"> |
+ <div id="content"> |
+ Tests invalidation of scrolling layer. Passes if the repaint rect is not clipped, |
+ and there is no red when the scrolling container is scrolled.<br> |
+ Note for manual testing: must run with --enable-prefer-compositing-to-lcd-text |
+ on non-high-dpi machines to enable composited scrolling. |
+ </div> |
+</div> |