1 files changed, 38 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/not-in-shadow-tree.html b/testing/web-platform/tests/html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/not-in-shadow-tree.html
new file mode 100644
index 0000000000..2a9f301fff
--- /dev/null
+++ b/testing/web-platform/tests/html/semantics/document-metadata/the-meta-element/pragma-directives/attr-meta-http-equiv-refresh/not-in-shadow-tree.html
@@ -0,0 +1,38 @@
+<!DOCTYPE html>
+<meta charset="utf-8">
+<title>Meta refresh only applies while in the document tree, not in a shadow tree</title>
+<meta name="timeout" content="long" />
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<link rel="help" href="https://html.spec.whatwg.org/multipage/semantics.html#pragma-directives">
+
+<div id="log"></div>
+<script>
+"use strict";
+setup({ single_test: true });
+
+const iframe = document.createElement("iframe");
+iframe.src = "support/ufoo";
+
+let loadCount = 0;
+
+iframe.onload = () => {
+  ++loadCount;
+  const iDocument = iframe.contentDocument;
+
+  if (loadCount === 1) {
+    const div = iDocument.createElement("div");
+    assert_true('attachShadow' in div, 'attachShadow support');
+    const shadowRoot = div.attachShadow({ mode: "open" });
+    shadowRoot.innerHTML = `<meta http-equiv="refresh" content="1; url=foo">`;
+    iDocument.body.appendChild(div);
+
+    // Want to make sure no refreshes happen
+    step_timeout(done, 3000);
+  } else {
+    assert_unreached("Got more than 1 load event");
+  }
+};
+
+document.body.appendChild(iframe);
+</script>