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-rw-r--r--testing/web-platform/tests/shadow-dom/layout-slot-no-longer-fallback.html15
1 files changed, 15 insertions, 0 deletions
diff --git a/testing/web-platform/tests/shadow-dom/layout-slot-no-longer-fallback.html b/testing/web-platform/tests/shadow-dom/layout-slot-no-longer-fallback.html
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index 0000000000..7507f11ac1
--- /dev/null
+++ b/testing/web-platform/tests/shadow-dom/layout-slot-no-longer-fallback.html
@@ -0,0 +1,15 @@
+<!DOCTYPE html>
+<title>Layout using slot elements</title>
+<link rel="author" title="Hayato Ito" href="mailto:hayato@google.com"/>
+<link rel="help" href="https://dom.spec.whatwg.org/#shadow-tree-slots">
+<link rel="match" href="reference/empty.html"/>
+<div id="host"></div>
+<script>
+const host = document.querySelector('#host');
+const sr = host.attachShadow({ mode: 'open' });
+
+sr.innerHTML = '<slot><div id="fallback">Should not be displayed</div></slot>'
+
+document.body.offsetLeft;
+host.appendChild(document.createElement('div'));
+</script>