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Unified Diff: third_party/WebKit/LayoutTests/fast/css/sticky/sticky-overflow-changed.html

Issue 1870663002: Reland main thread position sticky implementation. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Only descend into children which have an ancestor overflow layer. Created 4 years, 8 months ago
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Index: third_party/WebKit/LayoutTests/fast/css/sticky/sticky-overflow-changed.html
diff --git a/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-overflow-changed.html b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-overflow-changed.html
new file mode 100644
index 0000000000000000000000000000000000000000..904af03f33a0f732e947b4c97c7c3ddc5b6ef231
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/css/sticky/sticky-overflow-changed.html
@@ -0,0 +1,46 @@
+<!DOCTYPE html>
+<script>
+if (window.internals) {
+ internals.settings.setCSSStickyPositionEnabled(true);
+}
+</script>
+
+<style>
+body {
+ margin: 0;
+ height: 2000px;
+ overflow: hidden; /* hide scrollbars */
+}
+
+#container {
+ background-color: green;
+ width: 200px;
+ height: 400px;
+ outline: 2px solid black;
+}
+
+.box {
+ width: 200px;
+ height: 200px;
+}
+
+.sticky {
+ position: sticky;
+ top: 0px;
+ background-color: red;
+}
+
+</style>
+<script>
+function doTest()
+{
+ window.scrollTo(0, 200);
+ // When the spacer's height is changed the sticky container moves up which should now
+ // require sliding the sticky box down.
+ document.getElementById('container').style.overflow = 'hidden';
+}
+window.addEventListener('load', doTest, false);
+</script>
+<div id="container">
+ <div class="sticky box"></div>
+</div>

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