1 files changed, 28 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/cross-origin-opener-policy/resources/resource-popup.html b/testing/web-platform/tests/html/cross-origin-opener-policy/resources/resource-popup.html
new file mode 100644
index 0000000000..ee08bcb496
--- /dev/null
+++ b/testing/web-platform/tests/html/cross-origin-opener-policy/resources/resource-popup.html
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="en">
+<meta charset="utf-8">
+<title></title>
+<script>
+'use strict';
+const params = new URL(location).searchParams;
+const bc = new BroadcastChannel(params.get('channel_name'));
+const win = open(params.get('resource'), params.get('resource_name'));
+
+bc.onmessage = () => {
+  win.close();
+  close();
+};
+const id = setInterval(() => {
+  if (win.closed || win.location.href !== 'about:blank') {
+    clearInterval(id);
+    const winName = (() => {
+      try {
+        return win.name;
+      } catch (e) {
+        return null;
+      }
+    })();
+    bc.postMessage({name: winName || null, closed: win.closed});
+  }
+}, 100);
+</script>