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Unified Diff: third_party/WebKit/LayoutTests/compositing/root-scroller/basic-disable-ancestor-clipping.html

Issue 2289833002: Disable clipping on root scroller's ancestors. (Closed)
Patch Set: Also setNeedsCompositingUpdate from TopDocumentRootScrollerController Created 4 years, 3 months ago
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Index: third_party/WebKit/LayoutTests/compositing/root-scroller/basic-disable-ancestor-clipping.html
diff --git a/third_party/WebKit/LayoutTests/compositing/root-scroller/basic-disable-ancestor-clipping.html b/third_party/WebKit/LayoutTests/compositing/root-scroller/basic-disable-ancestor-clipping.html
new file mode 100644
index 0000000000000000000000000000000000000000..5d304ee701b6d9693fd3f158d8ce7eaa09f03060
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/compositing/root-scroller/basic-disable-ancestor-clipping.html
@@ -0,0 +1,82 @@
+<!DOCTYPE html>
+<style>
+ ::-webkit-scrollbar {
+ width: 0px;
+ height: 0px;
+ }
+
+ body, html {
+ width: 100%;
+ height: 100%;
+ background-color: blue;
+ }
+
+ body {
+ margin: 0px;
+ }
+
+ iframe {
+ width: 100vw;
+ height: 100vh;
+ left: -50px;
+ top: -50px;
+ position: absolute;
+ border: 0;
+ }
+
+ .clipBox {
+ position: absolute;
+ overflow: hidden;
+ left: 50px;
+ right: 50px;
+ top: 50px;
+ bottom: 50px;
+ }
+
+ .compositedClipBox {
+ position: absolute;
+ overflow: hidden;
+ left: 50px;
+ right: 50px;
+ top: 50px;
+ bottom: 50px;
+ background-color: red;
+ transform: translateZ(0);
+ }
+
+ #scroller {
+ position: absolute;
+ left: -100px;
+ right: -100px;
+ top: -100px;
+ bottom: -100px;
+ background-color: yellow;
+ overflow: auto;
+ transform: translateZ(0);
+ }
+
+ .spacer {
+ height: 1000px;
+ }
+</style>
+
+<script>
+ // This test passed if the output is a fully yellow screen. We expect that
+ // the "clipBox" boxes in this document will have their clipping layers
+ // disabled/removed since the child #scroller element in the is the root
+ // scroller.
+ if (window.testRunner)
+ testRunner.dumpAsTextWithPixelResults();
+
+ window.addEventListener('load', function() {
+ document.rootScroller = document.getElementById('scroller');
+ });
+</script>
+
+<div class="compositedClipBox">
+ <div class="clipBox">
+ <div id="scroller">
+ <div class="spacer"></div>
+ </div>
+ </div>
+</div>

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