1 files changed, 21 insertions, 0 deletions
diff --git a/testing/web-platform/tests/focus/support/focus-already-focused-iframe-deep-same-site-outer.html b/testing/web-platform/tests/focus/support/focus-already-focused-iframe-deep-same-site-outer.html
new file mode 100644
index 0000000000..69d47f44d7
--- /dev/null
+++ b/testing/web-platform/tests/focus/support/focus-already-focused-iframe-deep-same-site-outer.html
@@ -0,0 +1,21 @@
+<!doctype html>
+<meta charset="utf-8">
+<title>Focus already focused iframe</title>
+<script>
+let failed = false;
+window.onmessage = function(e) {
+    if (e.data == "focus") {
+        document.getElementsByTagName("iframe")[0].focus();
+        opener.step_timeout(function() {
+            if (failed) {
+                opener.postMessage("FAIL", "*");
+            } else {
+                opener.postMessage("PASS", "*");
+            }
+        }, 1500);
+    } else if (e.data == "FAIL") {
+        failed = true;
+    }
+}
+</script>
+<iframe src="focus-already-focused-iframe-middle.html"></iframe>