1 files changed, 41 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-clip-container.html b/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-clip-container.html
new file mode 100644
index 0000000000..63356349af
--- /dev/null
+++ b/testing/web-platform/tests/css/css-position/sticky/position-sticky-overflow-clip-container.html
@@ -0,0 +1,41 @@
+<!DOCTYPE html>
+<html>
+<title>Sticky elements should not consider overflow: clip containers as possible scroll ancestor</title>
+<link rel="match" href="position-sticky-overflow-clip-container-ref.html" />
+<link rel="help" href="https://www.w3.org/TR/css-position-3/#sticky-pos" />
+<meta name="assert" content="This test checks that sticky elements do not consider overflow:clip containers as possible scroll ancestor"/>
+<style>
+body {
+  margin: 0;
+  overflow: hidden; /* hide scrollbars */
+}
+
+#container {
+  height: 300px;
+  overflow: auto;
+}
+
+#overflowClipContainer {
+  overflow: clip;
+  height: 600px;
+}
+
+#sticky {
+  position: sticky;
+  top: 0;
+  height: 50px;
+  background-color: yellow;
+}
+</style>
+<script>
+function doTest()
+{
+  container.scrollTo(0, 50);
+}
+window.addEventListener('load', doTest, false);
+</script>
+<div id="container">
+  <div id="overflowClipContainer">
+    <div id="sticky"></div>
+  </div>
+</div>