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Unified Diff: LayoutTests/compositing/squashing/squash-overflow-hidden-scrolltop.html

Issue 264013002: Allow layers that need squashing to draw into the squashing layer in some cases. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Fix comment. Created 6 years, 7 months ago
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Index: LayoutTests/compositing/squashing/squash-overflow-hidden-scrolltop.html
diff --git a/LayoutTests/compositing/squashing/squash-overflow-hidden-scrolltop.html b/LayoutTests/compositing/squashing/squash-overflow-hidden-scrolltop.html
new file mode 100644
index 0000000000000000000000000000000000000000..16081bbcdda57a43a8f2eedf0b266527dbcaf40b
--- /dev/null
+++ b/LayoutTests/compositing/squashing/squash-overflow-hidden-scrolltop.html
@@ -0,0 +1,73 @@
+<!DOCTYPE html>
+
+<style type="text/css" media="screen">
+ .container {
+ display: inline-block;
+ width: 200px;
+ height: 200px;
+ overflow: hidden;
+ margin: 10px;
+ border: 1px solid black;
+ }
+
+ .inner {
+ width: 100%;
+ height: 1000px;
+ background-color: blue;
+ }
+
+ .compositing {
+ position: absolute;
+ top: 20px;
+ left: 20px;
+ width: 100px;
+ height: 100px;
+ -webkit-transform: translateZ(0);
+ }
+
+ .top {
+ height: 50%;
+ width: 100%;
+ background-color: red;
+ }
+
+ .bottom {
+ height: 50%;
+ width: 100%;
+ background-color: green;
+ }
+</style>
+<script type="text/javascript" charset="utf-8">
+ if (window.testRunner)
+ testRunner.waitUntilDone();
+
+ function doTest()
+ {
+ window.setTimeout(function() {
+ // alert('hi');
+ var scrollables = document.querySelectorAll('.container');
+ for (var i = 0; i < scrollables.length; ++i) {
+ scrollables[i].scrollTop = 500;
+ }
+
+
+ if (window.testRunner)
+ testRunner.notifyDone();
+
+ }, 0);
+ }
+
+ window.addEventListener('load', doTest, false);
+</script>
+
+<!-- Go into compositing. -->
+<div class="compositing"></div>
+
+<!-- Test repainting when the graphicsLayer offsetFromRenderer changes -->
+<!-- You should see one green square, and no red -->
+<div class="container" style="position: relative;">
+ <div class="inner" style="position: relative;">
+ <div class="top"></div>
+ <div class="bottom"></div>
+ </div>
+</div>

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