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Unified Diff: third_party/WebKit/LayoutTests/compositing/overflow/composited-nested-sticky-left.html

Issue 2733633002: Handle nested position:sticky elements correctly (compositor) (Closed)
Patch Set: Addressed the easier reviewer comments. Created 3 years, 9 months ago
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Index: third_party/WebKit/LayoutTests/compositing/overflow/composited-nested-sticky-left.html
diff --git a/third_party/WebKit/LayoutTests/compositing/overflow/composited-nested-sticky-left.html b/third_party/WebKit/LayoutTests/compositing/overflow/composited-nested-sticky-left.html
new file mode 100644
index 0000000000000000000000000000000000000000..023fdf949ea4bc1e9f1b277f1365b40dcb5b2f93
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/compositing/overflow/composited-nested-sticky-left.html
@@ -0,0 +1,95 @@
+<style>
+body {
+ margin: 0;
+}
+
+.group {
+ position: relative;
+ width: 350px;
+ height: 200px;
+}
+
+.scroller {
+ will-change: transform;
+
+ overflow: hidden; /* hide scrollbars */
+ width: 350px;
+ height: 180px;
+ outline: 2px solid black;
+}
+
+.container {
+ width: 700px;
+ height: 180px;
+}
+
+.outerSticky {
+ will-change: transform;
+
+ display: inline-block;
+ position: sticky;
+ background-color: green;
+ width: 200px;
+ height: 180px;
+}
+
+.innerSticky {
+ will-change: transform;
+
+ display: inline-block;
+ position: sticky;
+ background-color: red;
+ width: 100px;
+ height: 180px;
+}
+</style>
+
+<script>
+if (window.testRunner)
+ testRunner.waitUntilDone();
+
+function finishTest() {
+ for (const scroller of document.querySelectorAll('.scroller')) {
+ scroller.scrollLeft = 200;
+ }
+ if (window.testRunner)
+ testRunner.notifyDone();
+}
+
+window.addEventListener('load', function() {
+ requestAnimationFrame(function() {
+ requestAnimationFrame(finishTest);
+ });
+});
+</script>
+
+
+<div class="group">
+ <div class="scroller">
+ <div class="container">
+ <div class="outerSticky" style="left: 50px;">
+ <div class="innerSticky" style="left: 50px;"></div>
+ </div>
+ </div>
+ </div>
+</div>
+
+<div class="group">
+ <div class="scroller">
+ <div class="container">
+ <div class="outerSticky" style="left: 50px;">
+ <div class="innerSticky" style="left: 100px;"></div>
+ </div>
+ </div>
+ </div>
+</div>
+
+<div class="group">
+ <div class="scroller">
+ <div class="container">
+ <div class="outerSticky" style="left: 50px;">
+ <div class="innerSticky" style="left: 300px;"></div>
+ </div>
+ </div>
+ </div>
+</div>

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